1. Interpretation of transformed axes in multivariate analysis
  2. Crop monitoring to assess the risk of slug damage to winter wheat in the United Kingdom
  3. Resistance of cowpea [Vigna unguiculata (l.) Walp.] to Striga gesnerioides (Willd.) Vatke, a parasitic angiosperm
  4. The effect of different frequencies of harrowing in the autumn or spring on winter wheat, and on the control of Stellaria media (L.) vill., Galium aparine L. and Brassica napus L.
  5. Effects of ethephon pre-treatment on the response of Elymus repens to fluazifop-butyl
  6. Effects of herbicide mixtures and additives on Rhododendron ponticum
  7. Hemibiotrophic infection of pisum-sativum by colletotrichum-truncatum
  8. The effect of ammonium-ions on membrane-potential and anion flux in roots of barley and tomato
  9. A comparison of the output from permanent swards containing clover or receiving nitrogen-fertilizer when continuously grazed by ewes and lambs
  10. A comparison of the influence of sterols on the specific activity of the h+-atpases in isolated plasma-membrane vesicles from oat, rye and rice shoots
  11. The biochemical-mode of action of some newer azole fungicides
  12. Responses of young bracken plants, from 3 different populations, to the herbicide Tribenuron-methyl
  13. SCI Agriculture and Environment Group symposium: use and value of organic materials in agriculture
  14. Responses of Rhododendron ponticum to imazapyr applied on different dates
  15. Pesticide resistance
  16. SCI Agriculture and Environment Group Symposium: novel aspects of crop nutrition
  17. Spatial and temporal patterns of B Hordein synthesis in developing barley (Hordeum vulgare L.) caryopses
  18. SNF1-related protein-kinase genes in cereals
  19. Tobacco plants transformed with cdc25, a mitotic inducer gene from fission yeast
  20. Analysis of the mitochondrial DNA of the somatic hybrids of Solanum brevidens and s. tuberosum using non-radioactive digoxigenin-labeled DNA probes
  21. A comparison of chromosome instability in cell suspensions of diploid, tetraploid and hexaploid wheats
  22. Effect of genotype on chromosome variation in tissue-culture of inbred and outbred rye
  23. Identification of the E3900 family, a second family of rye B chromosome specific repeated sequences
  24. Newly imported rieske iron-sulfur protein associates with both Cpn60 and Hsp70 in the chloroplast stroma
  25. Seed storage compounds: biosynthesis, interactions and manipulation
  26. Modulation of herbicide activity with safeners and synergists
  27. The development of diagnostics for evaluating Beta germplasm
  28. Genstat 2[3] Procedure Library
  29. Genstat 5 Release 2.2. Student version for IBM XT/AT and compatible PCs
  30. Phaseolus vulgaris glutamine synthetase gene, 5'(gln-gamma ) promoter region
  31. Barley Fd-GOGAT, partial cDNA
  32. Myzus persicae mRNA for esterase FE4 (1849bp)
  33. Myzus persicae mRNA for esterase E4 (21581bp)
  34. Sodium channel protein - housefly (partial, residues 1-428)
  35. Sugar beet under analysis: the search for pesticide residues
  36. Modelling the growth of sugar beet
  37. Sugar beet
  38. Development of the sugar-beet seed advancement treatment in England
  39. The 1993 IIRB Winter Congress: water use, by-products and seed quality
  40. Micropropagation from inflorescence
  41. Sugar beet prediction and management by remote sensing
  42. Weed beet resurgence in 1993: the bolters return
  43. Unkrautruben durch Schosserbekampfung vorbeugen
  44. Catch cropping before beet - the practicalities
  45. Are big crop yields equivalent to big profits?
  46. Irrigation of sugar beet in the United Kingdom
  47. Profile on imidacloprid - another new seed treatment for sugar beet pest control
  48. Efficacy of insecticide sprays against the larvae of Mangold fly (Pegomya hyoscyami ) in sugar beet
  49. The stage is set for virus yellows epidemic
  50. The increasing menace of leatherjackets, wireworms and slugs in sugar beet
  51. A review of virus yellows incidence in the UK in 1992
  52. Research to contain beet rhizomania in the UK
  53. Mechanisms of resistance to Polymyxa betae in wild Beta species
  54. Rhizomania - the British experience
  55. Nitrogen catch crops and sugar beet - the inside story
  56. An investigation into virus yellows resistance in Beta vulgaris L.
  57. Methods for distinguishing sugar beet yellowing viruses in plants and aphids and their use in epidemiological studies
  58. Growth and photosynthesis in woody species of the Brazilian Cerrado, with particular reference to Kielmeyera coriacea Mart. (Guttiferae). PhD thesis, University of Edinburgh
  59. Intercellular distribution of nitrate in wheat leaves
  60. The transpiration stream - introduction
  61. Morphogenic cell and protoplast cultures of tritordeum
  62. Opportunities for manipulation of growth and development
  63. Crop physiology and agronomy
  64. The profitability of environmentally-benign sugar-beet production
  65. Water use and irrigation
  66. Pests
  67. Nematode parasites of sugar beet
  68. Identification of stress tolerance traits in sugar beet
  69. Rhizomania
  70. The sugar beet crop. Science into practice
  71. Effects of root restriction and growth regulator treatments on the growth of carrot (Daucus carota L.) seedlings
  72. An analysis of the efficiency of the sugar beet crop in exploiting the environment
  73. Effects of seed advancement and sowing date on establishment, bolting and yield of sugar beet
  74. In situ phytoremediation of metal-contaminated soils: potentials and future prospects
  75. The possibility of in situ heavy metal decontamination of soils using crops of metal-accumulating plants
  76. Porous cups for measuring nitrate leaching in structured soils
  77. Recent records of hoverflies (Dipt., Syrphidae) in Hertfordshire
  78. Rothamsted Insect Survey Light Trap Newsletter
  79. Descripcion de la interaccion superficial en suelos traves de coeficientes de actividad y funciones termodinamicas de exceso
  80. Effects of agronomy and husbandry on glucosinolates of oilseed rape
  81. Screening of isolates and strains of Rhizobium leguminosarum biovar trifolii for heavy metal resistance using buffered media
  82. Methane oxidation in agricultural soils as affected by the form of nitrogen fertilizer
  83. Weeds and crop competition
  84. Modelling the effects of climate change on nitrogen processes in arable soils
  85. Aphid and virus dynamics to improve forecasts of barley yellow dwarf virus. Interim report to the Home-Grown Cereals Authority
  86. Serological detection of Pseudomonas solanacearum by ELISA
  87. Fungicidal alcohols and ethers
  88. Fungicidal esters
  89. Overwintering, migration and migratory morphs of Sitobion avenae (F.)
  90. Sensitivity of crop models to climate variables and modelling techniques
  91. Immunocytochemical studies on putative nematode neurotransmitters and the amphids of Meloidogyne species
  92. Heavy metal toxicity to Rhizobium leguminosarum biovar trifolii
  93. The field attraction of female %Praon parasitoids to an aphid sex pheromone
  94. EC support for research on coconut lethal disease in Africa
  95. 12 potato disease cycles (pictures produced from slides)
  96. Electroantennogram and olfactometer responses of aphid parasitoids to nepetalactone, a component of aphid sex pheromones
  97. Review: insect pheromones and other behaviour-modifying chemicals: applications and regulation
  98. Mycotoxin contamination in developing groundnuts (Arachis hypogaea L.)
  99. Effects of intergranular gas composition and fumigants on mould growth and mycotoxin formation
  100. Calculating the amount of carbon returned to the soil each year from measurement of soil organic matter
  101. Procedure CHISQUARE
  102. Procedure XOCATEGORIES
  103. Procedure GRANDOM
  104. Procedure FDESIGNFILE
  105. Procedure AGDESIGN
  106. Procedure AGHIERARCHICAL
  107. Genstat 5 Release 3 reference manual
  108. Genstat 5 Procedure Library Manual Release 3[1]
  109. Genstat 5 Release 3 reference summary
  110. Procedure BOXPLOT
  111. Genstat 5 Release 3[1] implementors' guide
  112. An introductory course for Genstat 5 Release 3
  113. Procedure FILEREAD
  114. Genstat 5 Release 3[1] Sun Installers' Note
  115. Genstat 5 Release 3[1] Sun Users' Note
  116. Genstat 5 Release 3[1] DOS/386 Installers' Note
  117. Genstat5 Release 3[1] Dos/386 Users' Note
  118. Procedure AGALPHA
  119. Procedure AGCYCLIC
  120. Procedure DESIGN
  121. Procedure AGFRACTION
  122. Procedure PCOPROC
  123. Effects of nitrogen and phosphorus deficiencies on levels of carbohydrates, respiratory enzymes and metabolites in seedlings of tobacco and their response to exogenous sucrose
  124. Starch-degrading enzymes during the induction of CAM in Mesembryanthemum crystallinum
  125. A sensitive DNA probe for the detection of Polymyxa betae in sugar beet roots
  126. Development of expression and refolding systems for cereal seed storage proteins.
  127. The perception and transduction of stress by plant cells
  128. Cloning of a housefly sodium channel gene linked to pyrethroid resistance
  129. Factors affecting the grain yield, milling and breadmaking quality of wheat, 1969-1972.II Breadmaking quality in relation to variety and nitrogen fertiliser
  130. Critical plant K concentrations for growth and problems in the diagnosis of nutrient deficiencies by plant analysis
  131. Nutrient storage pool concentrations in plants as diagnostic indicators of nutrient sufficiency
  132. Monoclonal antibodies to purified cutinase from Fusarium solani f.sp.pisi
  133. Influence of weather on lesion development
  134. Criteria for judging the use and value of organic materials in agriculture
  135. Effects of moisture stress on growth of Gallium aparine L.
  136. An amended functional leaching model applicable to structured soils. I. Model description
  137. An amended functional leaching model applicable to structured soils. II. Model application
  138. Mineral status of British wheat
  139. How high should low intensity be on the agenda? A view from Sweden
  140. A housefly sodium channel gene linked to pyrethroid resistance
  141. Gene amplification and insecticide resistance in aphids
  142. Molecular and cellular techniques in wheat improvement
  143. Changing the catalytic properties of a cyanobacterial Rubisco
  144. Effects of cover crops on soil N transformations and losses from arable land
  145. The need for weed control in winter oilseed rape
  146. Biotechnology of cereals
  147. Understanding photosynthetic adaptation to changing climate
  148. Potassium leaching from a sandy loam soil
  149. Single-cell sampling of epidermal, bundle sheath and mesophyll cells in barley leaves
  150. Conclusions and recommendations of the European Community Workshop on Bees for Pollination held in Brussels, 1-2 March 1992
  151. Responses of the parasitoid Praon volucre (Hymenoptera: Braconidae) to aphid sex pheromone lures in cereal fields in autumn: implications for parasitoid manipulation
  152. Pheromones and other semiochemicals in the control of aphids
  153. Ovipostion attractants for Culex quinquefasciatus
  154. Inhalation hazards of fungal spoilage
  155. Effects of temperature on BYDV concentration in oat plants and virus purification efficiency, and detection of a putative associated satellite virus
  156. New approaches for potato cyst nematode management
  157. Parameter estimation and hypothesis testing for Ades distributions applied to tsetsefly data
  158. Field trials to study the within-season effects of pesticides on beneficial arthropods in cereals in summer
  159. A behavioural and electrophysiological study of oviposition cues for Culex quinquefasciatus
  160. Logic and luck (review of A. Twort In focus, out of step: a biography of Frederick William Twort FRS, 1877-1950 )
  161. Sulphur status of British wheat grain and its relationship with quality parameters
  162. The availability of the nitrogen in the crop residues of winter wheat to subsequent crops
  163. Modelling the fate of nitrogen in crop and soil in the years following application of 15N-labelled fertilizer to winter wheat
  164. Variation in grain sulphur concentrations in wheat and barley
  165. Simulation modelling and soil behaviour
  166. Development of molecular methods for the identification of Polymyxa species
  167. Epidemiology, effects and control of black dot disease of potato caused by the fungus Colletotrichum coccodes. PhD thesis, University of Cranfield
  168. Determinants of yield in white lupins
  169. Factors influencing movement by apterous aphids
  170. Behavioural responses of Aphis fabae to isothiocyanates in the laboratory and field
  171. The biochemistry of attachment of Pasteuria spores to the cuticle of root-knot nematodes
  172. Optimisation of an ELISA for the identificationof root-knot nematodes extracted from soil
  173. Identification and characterisation of a putative receptor on the cuticle of Meloidogyne javanica involved in the attachment of spores of Pasteuria penetrans
  174. A nematode case study focusing on the application of serology
  175. Inheritance of photoperiodic responses in the bird cherry aphid, Rhopalosiphum padi
  176. Detection and quantification of viruses and their vectors in soil
  177. Monitoring aphids and virus to improve forecasts of barley yellow dwarf virus. Final report on Home-Grown Cereals Authority project no. 0003/3/89
  178. Biochemical and morphological characterisation of two new species of Aphelenchoides from rice
  179. Progress towards the characterisation of pathogenesis-related proteins induced in potato plants by Globodera rostochiensis and G. pallida
  180. Characterization of the extracellular matrix produced in vitro by urediniospores and sporelings of Uromyces viciae-fabae
  181. Germination and the role of extracellular matrix in adhesion of urediniospores of Uromyces viciae-fabae
  182. Development of a monitoring system for the cabbage seed weevil and the pollen beetle
  183. Development of a monitoring trap for the pea and bean weevil, using the aggregation pheromone
  184. Progress in developing insecticides from natural compounds
  185. Effects of different rates of water application and CO2 concentration on wheat growth
  186. Plant cytochrome P-450 and agricultural biotechnology
  187. Nutrient storage pool concentrations in plants as diagnostic indicators of nutrient sufficiency
  188. The significance of nutrient concentrations in plant 'storage pools' for growth and yield
  189. Towards an understanding of the mechanisms of resistance to aryloxyphenoxypropionate (APP) herbicides in Alopecurus myosuroides (black-grass)
  190. User guide: Envirocon monitoring software
  191. The definitive guide to using your networked PC
  192. Phytophthora cryptogea root rot of tomato in rockwool nutrient culture: III. Effect of root zone temperature on growth and yield of winter-grown plants
  193. Handling hierarchical data
  194. Post-harvest formation of aflatoxin in maize in Costa Rica
  195. Rothamsted Experimental Station - 150 years of agricultural research: the longest continuous scientific experiment?
  196. Regulation of photosynthesis and associated metabolism in water stressed leaves
  197. The interdependence of agriculture and apiculture in the European Community
  198. Further details and SEM observations on Heterodera cynodontis Shahina and Maqbool 1989 (Nematoda: Heteroderidae)
  199. The nature of the secretions from the amphidial gland and the secretory-excretory cell of the avian nematode Syngamus trachea
  200. Integrated strategies for the control of moulding in grain
  201. Interactions between water activity, temperature and different species on colonisation of grain and mycotoxin formation
  202. Extraction, identification and control of plant parasitic nematodes
  203. Plant parasitic nematodes in temperate agriculture
  204. Cellular and molecular approaches to the control of plant parasitic nematodes
  205. Nematode parasites of potatoes
  206. Synthesis of glucosinolate precursors and investigations into the biosynthesis of phenylalkyl- and methylthioalkylglucosinolates
  207. Problems with ATP measurements as an index of biomass in glucose amended soils
  208. Measurement of the community structure of the soil microbial biomass
  209. Chemical precursors for studying the effects of glucosinolate catabolites on diseases and pests of oilseed rape (Brassica napus ) or related plants
  210. Levels of variation in agroforestry trials
  211. Climate change: plant production and photosynthetic regulation by environment
  212. Extreme phosphate deficiency decreases the In vivo CO2/O2 specificity factor of ribulose 1,5-Bisphosphate carboxylase-oxygenase in intact leaves of sunflower
  213. Black-grass resistance: practical management
  214. Studies on the amphid specific glycoprotein gp32 in different life cycle stages of Meloidogyne species
  215. The Nematology Department, Rothamsted Experimental Station, 1947-1987
  216. Root plastidic glutamine synthetase: regulation and occurrence
  217. Remobilisation of nitrate in barley root cells
  218. Complementary DNA cloning of a putative nitrate transporter from barley roots
  219. Compartmentation of nitrate in barley root cells growing at different nitrogen levels
  220. The partitioning of N and dry matter in cereals grown in long-term experiments at Rothamsted
  221. Inhibition by nitrate of the vacuolar H+-ATPase from barley root cells
  222. Construction and use of a bifunctional beta-glucuronidase-phosphinothricin resistance gene to study glutamine metabolism in transgenic plants
  223. Induction and detection of pathogenesis-related proteins in leaves and roots of potato plants infected with pathotypes of Globodera pallida
  224. Density dependence, population persistence, and largely futile arguments
  225. Nectar sources for honey bees and the movement of honey bee colonies for crop pollination and honey production in England
  226. The use of polyacrylamide gel electrophoresis of enzymes to identify entomophthoralean fungi in aphid hosts
  227. Effects of water activity and temperature on the growth of fungi interacting on barley grain
  228. Using response-surface methodology to detect chaos in ecological time series
  229. Persistence and leaching of isoproturon and mecoprop in the Brimstone farm plots
  230. The structure of dry mycelia of the entomophthoralean fungi Zoophthora radicans and Erynia neoaphidis following different preparatory treatments
  231. Overcoming coconut lethal diseases
  232. The use of multiple regression via principal components in forecasting early season aphid (Homoptera: Aphididae) flight
  233. The cultural characteristics and serological relationships of isolates of Melissococcus pluton
  234. Exploiting behaviourally active phytochemicals in crop protection
  235. The dynamics of nitrate fertilizer in soil in the autumn and the effect of farmyard manuring
  236. Reduced cultivation and direct drilling for cereals in Great Britain
  237. User guide: using Windows FTP to transfer files
  238. User guide: the Oracle Inventory database
  239. User guide: how to record and check on helpdesk enquiries in the Oracle database Broken
  240. The contribution of Rothamsted to British entomology
  241. Herbicide resistance and cytochrome P-450
  242. The use of a digoxigenin-labelled synthetic DNA oligonucleotide for the rapid and sensitive identification of Meloidogyne incognita
  243. Structure/function relations of the H+-translocating vacuolar ATPase of plant cells
  244. The potential of microbial properties as indicators in soil pollution monitoring
  245. Farming, fertilizers and the nitrate and phosphate problems
  246. Synthesis of a vacuolar acid invertase in washed discs of storage root tissue of red beet (Beta vulgaris L.)
  247. Purification of an acid invertase from washed discs of storage roots of red beet (Beta vulgaris L.)
  248. The competitive effects of broad-leaved weeds in winter oilseed rape
  249. Significance of organic matter in agricultural soils
  250. Acquisition of genes from indigenous bacteria by inoculant strains at long-term release sites
  251. Investigating gene transfer in soil using genetically modified rhizobia
  252. Behaviour of genetically modified rhizobia in the field
  253. Techniques for monitoring rhizobia in the field
  254. The susceptibility of roots to infection by an arbuscular mycorrhizal fungus in relation to age and phosphorus supply
  255. John Lawes of Rothamsted
  256. Biological and molecular differences between isolates of Polymyxa species
  257. Molecular methods for identifying Gaeumannomyces graminis and related fungi
  258. Development of molecular identification methods for Polymyxa isolates
  259. The incorporation of spores into splash droplets: a simulation approach
  260. Disease gradients and spread of Alternaria lineola in a linseed field
  261. Concentrations of air-borne Botrytis cinerea conidia in relation to development of grey mould on linseed and weather in 1991-92
  262. Development of resistance to thiabendazole in Helminthosporium solani (silver scurf) as a result of potato seed tuber treatment
  263. Sowing the seeds of international success
  264. Rothamsted: 150 years of agricultural vision
  265. 150 years of progress
  266. A study of alley-cropping data from Northern Brazil. I. Distributional properties
  267. Procedure ASWEEP
  268. Genstat 5 topic course: analysis of linear mixed models
  269. The detection and sequence analysis of beet western yellows virus
  270. Epidemiology and early detection of light leaf spot (Pyrenopeziza brassicae ) on winter oilseed rape (Brassica napus ) in the UK
  271. Cloning of a housefly sodium channel gene linked to pyrethroid resistance
  272. Rothamsted Farmland Ecology light trap network: interesting Lepidoptera records, January to May 1992
  273. Expression of the PR-b1" gene in the roots of two Nicotiana species and their amphidiploid hybrid infected with virulent and avirulent races of Chalara elegans
  274. Honey bee pheromones: some recent developments in controlling honey bee behaviour
  275. Behavioural discrimination of oilseed rape volatiles by the honeybee Apis mellifera L.
  276. Transcription analysis of a voltage-sensitive sodium channel gene by in situ hybridization and immunological characterization of its expression product in Musca domestica
  277. Control of flies
  278. Control of whiteflies
  279. Pesticidal fluoroolefins
  280. Management of pyrethroid and endosulfan resistance in Helicoverpa armigera (Lepidoptera: Noctuidae) in Australia
  281. Analysis of the amplified esterase genes in insecticide-resistant Myzus persicae
  282. Changes in the relative proportions of the two species of potato cyst nematodes in microplots in which different potato clones were grown for seven years
  283. Biochemical and molecular basis of insecticide target site insensitivity in houseflies
  284. Effects of temperature and leaf wetness duration on the incubation and latent periods of light leaf spot on oilseed rape
  285. Inoculation effects on legumes grown in soil previously treated with sewage sludge
  286. A new approach to direct extraction of micro-organisms from soil
  287. Molecular approaches to monitoring bacteria in soil
  288. Cloning and sequence analysis of a cDNA for barley ferredoxin-dependent glutamate synthase and molecular analysis of photorespiratory mutants deficient in the enzyme
  289. Critical plant K concentrations for growth and problems in the diagnosis of nutrient deficiences by plant analysis
  290. Grass yield in relation to potassium supply and the concentration of cations in tissue water
  291. Physiology of sugar beet quality. Report for year ended March 1993
  292. Using plant secondary metabolites to engineer enhanced crop protection - progress with two contrasting approaches
  293. Aldoxime-forming microsomal enzyme systems involved in the biosynthesis of glucosinolates in oilseed rape (Brassica napus ) leaves
  294. Single-cell solute concentrations in barley leaves as a function of cell position and age
  295. Single-cell sampling of epidermal, bundle sheath and mesophyll cells in barley leaves
  296. Solute concentrations and osmotic pressure in single epidermal cells of barley: changes along the leaf blade and during leaf ageing
  297. Solute compartmentation between mesophyll, bundle sheath and epidermal cells of barley leaves
  298. Rothamsted Experimental Station: 150 years of agricultural research
  299. Interaction of CO2 and temperature in the growth and yield of winter wheat: test of the ARCWHEAT model
  300. The biosynthesis of glucosinolates in oilseed rape
  301. The effects of increased temperature and CO2 concentration on winter wheat: test of model predictions
  302. Photosynthesis: molecular, physiological and environmental processes
  303. A possible mechanism for the antiviral activity of pokeweed antiviral protein
  304. The ecology of butterflies and moths at the landscape scale
  305. Oil seed rape and beekeeping
  306. Host plant factors affecting the feeding of cabbage stem flea beetles (Psylliodes chrysocephala L.) on oilseed rape
  307. Semiothisa signaria Hubner (Lep.:Geometridae) and other interesting Lepidoptera records from the Rothamsted Farmland Ecology light trap network for July 1992
  308. Rothamsted farmland light trap network: interesting Lepidoptera records, June 1992
  309. Spatial synchrony in the dynamics of moth and aphid populations
  310. Sex pheromones in the cereal aphid parasitoids Praon volucre and Aphidius rhopalosiphi
  311. Expression of pokeweed (Phytolacca americana) antiviral protein cDNA in Escherichia coli and its antiviral activity
  312. Taxonomy of the nematophagous fungi Verticillium chlamydosporium and V. suchlasporium based on secreted enzyme activities and RFLP analysis
  313. Studies on Zea mays infected with Striga hermonthica , with particular reference to photosynthesis
  314. An interlaboratory comparison of a standardised EDTA extraction procedure for the analysis of available trace elements in two quality control soils
  315. Comment (invited contribution to Davies, L. and Gather, U. The identification of multiple outliers.)
  316. The problem of outlier tests in sample surveys
  317. Eyespot of wheat, and decompositon of stubble, under different straw disposal systems
  318. Effects of the antifeedant polygodial on plant penetration by aphids, assessed by video and electrical recording
  319. Dispersal in a metapopulation neighbourhood model of an annual plant with a seedbank
  320. Movement of nonionic organic chemicals in agricultural soils
  321. Effects of pH on arbuscular mycorrhiza I. Field observations on the long-term liming experiments at Rothamsted and Woburn
  322. Understanding the soil nitrogen cycle
  323. Seed yield and yield stability of determinate and indeterminate autumn-sown white lupins (Lupinus albus) grown at different locations in France and the UK
  324. Helping farmers to help themselves
  325. Sulphur uptake following foliar applications of elemental sulphur
  326. Assessing the risk of sulphur deficiency in cereals
  327. Criteria used to judge the use and value of organic materials in agriculture
  328. In situ bioremediation of metal-contaminated soils using crops of hyperaccumulator plants: potentials and future prospects for a developing technology
  329. In situ bioremediation of metal-contaminated soils using crops of hyperaccumulator plants: potentials and future prospects for a developing technology
  330. Potassium concentrations in surface and groundwaters and the loss of potassium in relation to land use
  331. Heavy metals from past applications of sewage sludge decrease the genetic diversity of Rhizobium leguminosarum biovar Trifolii populations
  332. Analysis of two rubisco-deficient tobacco mutants, H7 and Sp5; evidence for the production of rubisco large subunits in the Sp25 mutant that form clusters and are inactive
  333. Old and modern wheat cultivars compared on the Broadbalk wheat experiment
  334. Modelling the soil-plant system in terms of entropy production
  335. Characterisation of a 34kD protein from potato cyst nematodes, using monoclonal antibodies with potential for species diagnosis
  336. The timing of ascospore release of Sclerotinia sclerotiorum and infection of sunflowers in the UK
  337. Spores of bracken (Pteridium aquilinum ) in the air
  338. New strategies for the control of plant parasitic nematodes
  339. Growth and survival of Verticillium chlamydosporium Goddard, a parasite of nematodes, in soil
  340. Influence of weather on survival, sporulation and infection of eyespot
  341. Seasonal variation of basidiospores in the atmosphere of Mexico City
  342. The responses of the cabbage seed weevil (Ceutorhynchus assimilis ) to the odour of oilseed rape (Brassica napus ) and to some volatile isothiocyanates
  343. The role of the eggshell in the cold tolerance mechanisms of the unhatched juveniles of Globodera rostochiensis
  344. Variations in hatching mechanisms relating to nematode survival
  345. A pheromone trap for dispersal of the pathogen Zoophthora radicans Brefeld (Zygomycetes: Entomophthorales) amongst populations of the Diamondback Moth, Plutella xylostella L. (Lepidoptera: Yponomeutidae)
  346. Seasonal differences in incidence and effects of diseases on linseed at Rothamsted, 1988-1991
  347. Methods for detection of early infection by Pyrenopeziza brassicae (light leaf spot) on winter oilseed rape in the UK
  348. Studies of the oviposition deterring pheromone of the cabbage seed weevil (Ceutorhynchus assimilis Payk.): behavioural bioassays and oviposition by weevils wintered in the laboratory.
  349. Response to fungicides of six cultivars of winter oilseed rape in 1990/1991
  350. 'Anomalous' tracer kinetics in leaf tissue
  351. New approaches for semiochemicals in insect control
  352. Changes in the ultrastructure of the cuticle of the potato cyst nematode, Globodera rostochiensis, during development and infection
  353. Specificity of sex pheromones, the role of host plant odour in the olfactory attraction of males, and mate recognition in the aphid Cryptomyzus
  354. Preliminary observations on the population development of anystid and free-living mesostigmatic mites in a cereal field in Southern England
  355. Phenotypic stability of oats measured with different stability analyses
  356. Un sistema esperto per l'interpretazione delle analisi fogliari e la guida alla fertilizzazione delle plante arboree
  357. HYDRA: a decision support model for irrigation water management
  358. Rothamsted and the correspondance of Sir John Lawes and Sir Henry Gilbert
  359. Nucleotide sequence of beet cryptic virus 3 dsRNA2 which encodes a putative RNA-dependent RNA polymerase
  360. A third cryptic virus in beet (Beta vulgaris )
  361. Selection of an isolate of Zoophthora radicans (Zygomycetes:Entomophthorales) for biocontrol of the diamondback moth Plutella xylostella (Lepidoptera:Yponomeutidae)
  362. Take-all in autumn-sown wheat, barley, triticale and rye grown with high and low inputs
  363. The population dynamics in microplots of brassica and beet cyst nematodes in rotations which include oilseed rape
  364. Evidence for glycosaminoglycans as a major component of trail mucus from the terrestrial slug Arion ater L.
  365. Synthetic analogues of a neuropeptide (Phe-Met-Arg-Phe-NH2)
  366. Spring migration of damson-hop aphid, Phorodon humuli (Homoptera, Aphididae), and summer host plant-derived semiochemicals released on feeding
  367. Formation and destruction of microbial biomass during the decomposition of glucose and ryegrass in soil
  368. In vivo photosynthetic electron transport does not limit photosynthetic capacity in phosphate-deficient sunflower and maize leaves
  369. Long-term effects of nitrogen fertilisation on methane oxidation in soil of the Broadbalk wheat experiment
  370. Partitioning and redistribution of sulphur during S-stress
  371. Long-term changes in the polychlorinated biphenyl content of United Kingdom soils
  372. A comparison of the flower volatiles from hawthorn and four raspberry cultivars
  373. Species movement in agricultural landscapes
  374. Take-all disease patterns in fields
  375. Comparison of take-all in different cereals in monoculture and in cereal rotations
  376. A rapid biochemical method to detect pyrethroid resistant Helicoverpa armigera
  377. Cloning and analysis of the esterase genes conferring insecticide resistance in the peach-potato aphid Myzus persicae (Sulzer)
  378. Development of disease symptoms and fungal pathogens on shoot bases in continuous winter wheat, and effects of fungicides
  379. The effect of cereal break crops on barley mild mosaic virus
  380. Regulation of intracellular potassium levels in barley root cells
  381. Production and uses of leaf protein
  382. Effects of increased CO2 concentration and temperature on growth and yield of winter wheat at two levels of nitrogen application
  383. The heterologous expression of H+ cotransport proteins in Xenopus oocytes
  384. Facility for studying the effects of elevated carbon dioxide concentration and increased temperature on crops
  385. Vacuolar PPase of higher plants
  386. Interaction of nitrate with the vacuolar H+ATPase from barley roots
  387. The effect of the previous crop on the growth, nitrogen uptake and yield of winter barley intended for malting
  388. Sucrose and potassium fluxes during turgor regulation in sugar beet storage roots
  389. A study of iron transport in cereals using chemically synthesised phytosiderophores
  390. Broad-minded biologist (review of Christopher Sexton The seeds of time: the life of Sir MacFarlane Burnet )
  391. Implications of herbicide resistant Lolium multiflorum (Italain rye-grass)
  392. Ciba Project: herbicide resistance in black-grass and Italian rye-grass
  393. Rhone Poulenc project: herbicide resistance in black-grass and Italian rye-grass
  394. Nitrate concentrations in cell compartments in relation to nitrogen nutrition
  395. Effects of previous crop, sowing date, and winter and spring applications of nitrogen on the growth, nitrogen uptake and yield of winter wheat
  396. Testing the PROFILE model on long-term data
  397. New uses for old crops
  398. Residual effects of zinc, copper, and nickel in sewage sludge on microbial biomass in a sandy loam
  399. Results of Rothamsted experiments on soil tillage, erosion and leaching of nutrients and pesticides
  400. Are lateral roots of tomato spaced by multiples of a fundamental distance?
  401. Contributions of biometrics to the developing world
  402. The effect of dispersal between chaotic and non-chaotic populations within a metapopulation
  403. Long-term changes of soil sulphur status and plant sulphur uptake in the Park Grass Experiment, Rothamsted
  404. Comparisons of methods for measuring the leaching of mineral nitrogen from arable land
  405. The biochemical basis for the differential response of oilseed rape varieties to infection and stress
  406. Measuring water and solute relations in single cells in situ.
  407. Herbicide resistant weeds: a world-wide perspective.
  408. Dry matter and nitrogen partitioning to the grain of winter wheat (Triticum aestivum ) cultivars grown on Broadbalk since 1843
  409. Development of integrated arable farming systems for the UK
  410. Quantification of nutrient cycles using long-term experiments
  411. The Rothamsted long-term experiments - their relevance to modern agriculture
  412. Water stress and the diurnal activity of ribulose-1,5-bisphosphate carboxylase in field grown Nicotiana tabacum genotypes selected for survival at low CO2 concentrations
  413. Guidelines for the prevention and control of herbicide-resistant black-grass
  414. Floral determinacy in autumn-sown white lupins (Lupinus albus ): the development of varieties for cooler European climates
  415. The need for weed control in oilseed crops
  416. Ion distribution in cereal leaves: pathways and mechanisms
  417. Intercellular compartmentation of ions in barley leaves in relation to potassium nutrition and salinity
  418. Effects of water stress on photosynthesis of crops and the biochemical mechanism
  419. The influence of rainfall patterns and soils on losses of isoproturon to surface waters
  420. Effects of moling and cultivation on soil-water and runoff from a drained clay soil
  421. Miscanthus - fuel crop for the future?
  422. Population sizes of indigenous Rhizobium leguminosarum biovar trifolii in soils previously treated with metal-contaminated sewage sludge
  423. The potential for the use of metal accumulating plants for the in situ decontamination of metal-polluted soils
  424. Knockdown resistance (kdr) to DDT and pyrethroid insecticides maps to a sodium channel gene locus in the housefly (Musca domestica)
  425. Field contamination of mycotoxins in developing seeds of rice ,sorghum and groundnut in India
  426. Abundance of airborne Penicillium CFU in relation to urbanisation in Mexico City
  427. Important Lepidoptera records from the Rothamsted Insect Survey national light trap network
  428. Effect of spice essential oils on growth and aflatoxin B1 production by Aspergillus flavus
  429. The identification of sources of resistance to Peronospora parasitica (downy mildew) in Brassica juncea
  430. Interactions between water activity, temperature and species on colonisation and mycotoxin formation in grain
  431. Postharvest formation of aflatoxin in maize in Costa Rica
  432. Integrated strategies for the control of moulding and mycotoxins in stored grain
  433. The use of microbial agents for the biological control of plant parasitic nematodes
  434. Detection of resistance to buprofezin in the whitefly, Bemisia tabaci
  435. Insecticide resistance in Bemisia tabaci : an international perspective
  436. Managing and maintaining long-term agricultural field experiments: the do's and the don'ts
  437. Long-term monitoring of pollutants in soils
  438. The role of phosphorus in crop production and soil fertility: 150 years of field experiments at Rothamsted, United Kingdom
  439. The cadmium issue - long-term changes in the cadmium content of soils and the crops grown on them
  440. The Rothamsted "Classical" Experiments
  441. How the Rothamsted Classical Experiments have been used to develop and test models for the turnover of carbon and nitrogen in soil
  442. Methane oxidation in the Broadbalk wheat experiment
  443. Binding of N -ethylmaleimide to an essential cysteine residue in the tonoplast H+-ATPase from Beta vulgaris
  444. Denitrification losses of nitrogen fertilizer applied to winter wheat following ley and arable rotations as estimated by acetylene inhibition and 15N balance
  445. Losses of nitrate-nitrogen in water draining from under autumn-sown crops established by direct drilling or mouldboard ploughing
  446. Chaos, metapopulations and dispersal
  447. Solute concentrations in single mesophyll, bundle sheath and epidermal cells of barley leaves
  448. Photosynthesis and leaf characteristics of tobacco lines selected for survival at low CO2
  449. Non-food crops
  450. A problem with straw?
  451. The effect of an artificial pitch surface on home team performance in football (soccer)
  452. The development of endomycorrhizal root systems VIII. Effects of soil phosphorus and fungal colonization on the concentration of soluble carbohydrates in roots
  453. Characterisation and localisation of a Ca2+-dependent ATP hydrolysis in the microsomal fraction of wheat root
  454. Membrane potential dependant sodium uptake into right-side-out plasma membrane vesicles isolated from wheat roots
  455. Sodium transport in wheat root plasma membrane vesicles
  456. The 'nitrate problem'
  457. A study of Fe-phytosiderophore uptake at the plasma membrane of wheat using plasma membrane vesicles and chemically synthesised phytosiderophores
  458. A study of Fe transport in cereals using chemically synthesised phytosiderophores
  459. Rothamsted: cradle of agricultural and apicultural research 2. Bee research achievements
  460. Molecular aspects of the neurobiology of Globodera rostochiensis
  461. Characterisation of proteinaceous granules from the oesophageal glands of cyst nematodes
  462. Air pollutant burdens and respiratory impairment of poultry house stockmen
  463. Fungal colonisation and mycotoxin contamination of developing rice grain
  464. Physico-chemical factors determining the phloem translocation of benzoic acids
  465. Catching up on aphids
  466. A glycoprotein specific to the amphids of Meloidogyne species
  467. A pale ochreous form of Herminia tarsipennalis Treitschke, the Fan-foot (Lep: Noctuidae) in Arran
  468. A diagnostic feature for the separation of Cyclophora pendularia (Clerck) (Dingy Mocha) and C. albipunctata (Hufnagel) (Birch Mocha) (Lepidoptera: Geometridae)
  469. Novel control strategies based on disruption of nematode life cycles
  470. Aerodynamic diameter of conidia of Alternaria species
  471. The relative importance of short- and long-range movement of flying aphids
  472. Redescription of Seinura demani (T. Goodey, 1928) J. B. Goodey, 1960 (Nematoda : Seinuridae) and designation of a neotype
  473. Effect of watering on the distribution of Verticillium chlamydosporium in soil and the colonisation of egg masses of Meloidogyne incognita by the fungus
  474. Field tests of bacteria and soil-applied fungicides as control agents for take-all in winter wheat
  475. Mean-related stochasticity and population variability
  476. Protein extraction, separation and visualisation from cyst nematode tissue: part of the 6th International Training Course on the Identification of Plant Nematodes of Economic Importance
  477. The Heteroderidae: part of the 6th International Training Course on the Identification of Plant Nematodes of Economic Importance
  478. New approaches for potato cyst nematode management
  479. Thera cognata Thunberg, the Chestnut Carpet (Lep.: Geometridae), new to Yorkshire
  480. The role of maize in the epidemiology of barley yellow dwarf virus in Northeast Spain
  481. Phloem translocation of strong acids - glyphosate, substituted phosphonic and sulfonic acids - in Ricinus communis L
  482. The turnover of biomass C and P in soil following the incorporation of glucose and cellulose
  483. The occurrence and persistance of volunteer oilseed rape (Brassica napus )
  484. The effect of reduced cultivation, ploughing and herbicides on the occurrence of volunteer cereal grains in winter wheat and barley
  485. Enumeration of indigenous Rhizobium leguminosarum biovar trifolii in soils previously treated with metal-contaminated sewage sludge
  486. Rhizobium meliloti, is less sensitive to heavy metal contamination in soil than R. leguminosarum bv trifolii or R. loti
  487. Soil quality in relation to agricultural uses
  488. Photosynthesis, ribulose 1,5-bisphosphate carboxylase, and leaf characteristics of N. tabacum L. genotypes selected by survival at low CO2 concentrations
  489. Genkey: a program for constructing and printing identification keys and diagnostic tables. Mark 4
  490. A source sensitive interpretation technique for false alarms on security systems. Part IV: refinement of the model for the Northumbria police data
  491. A source sensitive interpretation technique for false alarms on security systems. Part III: refinement of the model for the Northumbria police data
  492. A source sensitive interpretation technique for false alarms on security systems. Part II: refinement of the model for the Northumbria police data
  493. A source sensitive interpretation technique for false alarms on security systems. Part I: statistical analysis of Northumbria police data
  494. Genstat news
  495. Measuring sustainability
  496. Statistics for the environment
  497. The Classical Experiments and the environment
  498. Genstat 5 Procedure Library Manual Release 2[3]
  499. Procedure GLMM
  500. Procedure ROBSSPM
  501. Procedure RGRAPH
  502. Procedure PDESIGN
  503. Procedure FACPRODUCT
  504. Procedure AKEY
  505. Procedure AFUNITS
  506. Procedure AFCYCLIC
  507. Procedure AFALPHA
  508. Sensitivity analyses of the ARCWHEAT1 crop model: the effect of changes in radiation and temperature.
  509. The use of identification keys and diagnostic tables in statistical work
  510. Specific genes relevant to important agronomic processes
  511. The effect of modifying plant structure on the yield and maturity of the white lupin Lupinus albus
  512. Weed beet: a review
  513. Pest and disease review of 1992
  514. Weed beet - the situation after 20 years
  515. Comparisons of granular pesticides for the control of soil-inhabiting arthropod pests of sugar beet
  516. 20 years of weed beet
  517. In vitro culture of petioles and intact leaves of sugar beet
  518. Micropropagation of wild beet (Beta maritima ) from inflorescence pieces
  519. Verticillium chlamydosporium as a biological control agent for Meloidogyne incognita and M. hapla in pot and micro-plot tests
  520. White leaf spot (Mycosphaerella capsellae ) on oilseed rape in the UK
  521. Expression of the PR-b1"gene in roots of two Nicotiana species and their amphidiploid hybrid infected with virulent and avirulent races of Chalara elegans
  522. Chemical ecology of plants and insects: helping crops to help themselves
  523. Interactions of nematodes with root-rot fungi
  524. Rothamsted: cradle of agricultural and apicultural research. Part 1: origins and development
  525. Fungally-transmitted mosaic viruses of barley
  526. Natural Pesticides
  527. Pesticidal Fluoroolefins
  528. The damaging effects of Varroa jacobsoni infestation
  529. The phloem translocation of enantiomeric pairs of weak acids in Ricinus communis
  530. Hatching behaviour of the rice cyst nematodes Heterodera sacchari and H. oryzicola in relation to age of host plant
  531. Desiccation survival of the rice stem nematode, Ditylenchus augustus
  532. Use of esterase patterns of females and galled roots for the identification of species of Meloidogyne
  533. Management of genetics of biological control introductions
  534. The relationship between primary parasitoids and hyperparasitoids of cereal aphids: an analysis of field data
  535. Carbohydrate/protein interactions between the cuticle of infective juveniles of Meloidogyne incognita and spores of the obligate hyperparasite Pasteuria penetrans
  536. The susceptibility of pea cultivars to pea seed-borne mosaic virus infection and virus seed transmission in the UK
  537. Effects of fungal diseases on linseed (Linum usitatissimum ) growth and yield, 1988-1990
  538. Dispersal of the entomopathogen Hirsutella cryptosclerotium by simulated rain
  539. The microimmersion bioassay: a novel method for the topical application of pesticides to spider mites
  540. Insensitive acetylcholinesterase and esterase polymorphism in susceptible and resistant populations of the Tobacco Whitefly Bemisia tabaci (Genn.)
  541. A monoclonal antibody, JIM 84, recognizes the Golgi apparatus and plasma membrane in plant cells
  542. Food preference of three species of sitona weevils (coleoptera; curculionidae) found commonly in white clover in the UK
  543. Volatile fatty acid production
  544. Upward migration and volatilisation of soil bourne polychlorinated biphenyls (PCBs)
  545. The volatilization of ammonia from cattle urine applied to soils as influenced by soil properties
  546. The prediction of milk solids yields on grass silage diets
  547. The potential of strip-seeded winter annuals for improving spring production and nitrogen uptake of perennial ryegrass - white clover swards
  548. The potential of carabid beetles to control slugs in grass/clover swards
  549. The isolation of Rhizobium using immunomagnetic separation
  550. The influence of surface and sub-surface application methods for pig slurry on herbage yields and nitrogen recovery
  551. The importance of observations of grazing behaviour of herbivores in understanding plant/animal interactions
  552. The effects of rising CO2 and changing climate on grassland communities in Europe
  553. The effects of quantity and duration of milk feeding on the intake of concentrates and growth of castrated male Saanen kids to slaughter
  554. The effects of nitrate, water content and temperature on denitrification in a grassland soil measured using a "flow-over" technique without acetylene blocking
  555. The effects of group size on grazing time in sheep
  556. The development of a nitrogen cycle model to predict nitrate leaching from grassland catchments in the UK
  557. The determination of selenium in sediments using hydride generation ICP-MS
  558. The "nitrate problem" in grassland
  559. Supplementation of sugar cane diets for Brazilian dairy cattle: a modelling study
  560. Species diversity in wetland hay meadows - the significance of cutting date
  561. Some aspects of ryegrass endophyte research in the UK
  562. Soil abiotic factors affecting emergence of white clover (Trifolium repens L.) seedlings
  563. Sitona damage to clover in the UK
  564. Sitona and other pest and disease damage to clover in the UK
  565. Simulation of nutrient flows through the gastro-intestinal tract of cattle fed sugar cane based diets
  566. Shoot development and number
  567. Seasonal variation of Na, K, Cu, Zn, V, Cr, Pb, Cd, P and S in herbage at a remote rural site in the UK
  568. Seasonal fluctuations in the mineral content of an undrained wetland peat soil following differing rates of fertiliser nitrogen application
  569. Rye and forage herbs as companions for improving nutrient uptake in clover-grass swards
  570. Rumen micro-organisms and their interactions
  571. Report on a visit to France: AFRC/INRA collaborative agreement, 22-26 February 1993
  572. Relationship between concentration and intensity of odours for pig slurry and broiler houses
  573. Relationships between velocity of ultrasound in live lactating dairy cows and some post-slaughter measurements of body composition
  574. Recent developments in the automatic recording of grazing behaviour in free ranging ruminants
  575. Recent consideration of grassland "soil quality" in temperate regions
  576. Protozoan, bacterial and viral pathogens, farm animal wastes and water quality protection
  577. Progress in grassland nitrogen management
  578. Production responses by cows to grass-clover swards maintained at different heights with or without concentrate supplementation
  579. Preferential flow in a heavy clay soil
  580. Plant growth
  581. Performance of British Saanen, Boer x British Saanen and Anglo-Nubian castrated male kids from 8 weeks to slaughter at 28, 33 or 38 kg live weight
  582. Organic manures and nitrate leaching
  583. On the mathematical description of lactation curves
  584. On incorporating diffusion and viscosity concepts into compartmental models for analysing faecal excretion patterns in ruminants
  585. Odours from livestock production
  586. North Wyke rapid nitrogen test
  587. Nitrogen losses from clover due to weevil root damage
  588. Nitrogen in the excreta of dairy cattle: changes during short- term storage
  589. Nitrogen flows and transfers in grassland
  590. Nitrogen efficiency on dairy farms - problems and solutions
  591. Nitrogen cycling and losses from dairy farms
  592. Nitrate leaching from grazed grassland lysimeters: effects of fertilizer input, field drainage, age of sward and patterns of weather
  593. More efficient use of fertiliser N on dairy farms
  594. Monoclonal antibody enhancement of FSH-induced uterine growth in snell dwarf mice
  595. Modelling endogenous protein flow in the ruminant gastro-intestinal tract
  596. Minerals, water and pesticides with regard to production
  597. Milk nitrogen fractions in Holstein-Friesian cows as affected by amount and protein concentration of the concentrates
  598. Measurement of nitrogen and nitrous oxide fluxes using a novel technique
  599. Measurement and control of odour and ammonia emissions from livestock production. Part 1. Landspreading livestock wastes
  600. Management options to achieve agricultural and nature conservation objectives
  601. Management options for increasing white clover contents of swards, without resowing
  602. Maize, whole crop cereals and the environment: a review of the literature
  603. Low rate irrigation of dilute farm wastes
  604. Low irrigation of dilute farm wastes
  605. Lotus - the latest developments at IGER
  606. Long-term change in the biogeochemical cycling of atmospheric selenium: deposition to plants and soil
  607. Limitations of quadrat variance techniques for quantifying spatial distribution
  608. Integration of experimental and modelling techniques to asses preferential flow
  609. Ingestive behaviour of cows grazing grass-clover swards maintained at different heights with or without concentrate supplementation
  610. Growth of a perennial ryegrass genotype with and without infection by ryegrass endophyte and virus diseases
  611. Growing cereals in clover
  612. Greenhouse gas exchanges with temperate grassland systems
  613. Grassland systems development
  614. Grassland and the environment
  615. Grass: the right environment
  616. Geographical and seasonal variation in deposition of selenium to vegetation
  617. Forward with Grass into Europe, British Grassland Society Occasional Symposium No 27
  618. Forage production by two birdsfoot trefoil (Lotus ) varieties as influenced by four companion grasses
  619. Final report on the AFRC-ADAS Drainage Experiment 1982-1992. North Wyke Research Station (28 pp.)
  620. Feeding preferences among eleven cultivars of white clover (Trifolium repens ) by adults of two species of sitona weevils (coleoptera: curculionidae )
  621. Feed utilization by the dairy cow over multiple lactations: a review
  622. Factors controlling meal length and herbage intake rate by grazing sheep
  623. Experimental assessment of the effects of nitrogen addition under hay-cutting and aftermath grazing on the vegetation of meadows on a Somerset peat moor
  624. Experiment NW 88 Forms and rates of phosphate fertilizers for grass-clover swards
  625. Examination of energy utilisation in cattle offered a forage diet at near- and sub-maintenance levels of feeding
  626. Evaluation of grasses infected with fungal endophytes against locusts
  627. Environmentally friendly animal production from grassland
  628. Environmental constraints to production systems
  629. Efficient fertiliser strategies for grassland
  630. Efficacy of imidicloprid in controlling frit fly (Oscinella spp.) in newly-sown ryegrass
  631. Effects of sward height and supplementation on the production and behaviour of cows grazing perennial ryegrass/white clover swards
  632. Effects of some factors on insensible weight loss in grazing sheep
  633. Effects of inorganic fertilisers in flower-rich hay meadows on the Somerset levels
  634. Dursban 4: Application guide for frit fly
  635. Distribution of diploid and tetraploid Lotus pedunculatus plants in moist, North Island hill country
  636. Dietary preferences of sheep and goats
  637. Development of an N-cycle model to predict nitrate leaching from grassland catchments
  638. Development of a low-input bi-cropping system for growing cereals in an understorey of white clover
  639. Compartmental schemes for estimating methanogenesis in ruminants from isotope dilution data
  640. Comparison of instrumental methods for the determination of total selenium in environmental samples
  641. Comparison of an inoculant treated grass silage and formic acid treated silage fed to Friesian Dairy cows
  642. Bicropping wheat with clover
  643. Aversiveness of mechanical conveying to laying hens
  644. Aversion of domestic fowl to whole-body vibratory motion
  645. Automatic recording of grazing behaviour in ruminants
  646. Atmospheric deposition of selenium to herbage from archived samples at Rothamsted, SE England
  647. Assessment of the productivity, ecological benefits, problems and costs of silvopastoral agroforestry
  648. Assessment of hunger in growing broiler breeders in relation to a commercial restricted feeding programme
  649. An introduction to quantitative aspects
  650. Ammonia emission and deposition from livestock production systems
  651. Agroforestry in the nineties: a review
  652. Agriculture and the environment
  653. Abstracts of Communications. Proceedings of the Twenty-Third Meeting of the AFRC Modellers' Group
  654. A tactical approach to applying nitrogen using a rapid nitrogen test kit for soil reserves
  655. A study of the distribution of Acremonium typhinum in populations of red fescue in southwest England and in vitro growth comparisons to isolates from North American collections
  656. A note on the estimation of the body fat, protein and energy content of lactating Holstein-Friesian cows by measurement of condition score and live weight
  657. A new laboratory method for determining the fermentation kinetics of ruminant feeds
  658. A model to interpret gas accumulation profiles associated with in vitro degradation of ruminal feeds
  659. A model of the interaction between grazing mammals and a two-species sward
  660. A model of the growth and utilization of grazed grass swards to predict the economic return from drainage
  661. A low-power portable post-processed DGPS package for precise position-logging of sheep on hill pastures
  662. A Genstat procedure for ridge regression
  663. A Genstat procedure to assess the performance of models with independent data
  664. A Genstat procedure to calculate a kappa coefficient of agreement for nominally scaled data
  665. A field evaluation of two white clover cultivars selected for winter hardiness
  666. A comparison of methods for use in the measurement of ammonia emissions following the application of livestock wastes to land
  667. Rhizobium meliloti mutants defective in symbiotic nitrogen fixation affect the oxygen gradient in alfalfa (Medicago sativa ) root nodules
  668. Quantitative aspects of ruminant digestion and metabolism