1. Development in the chemistry and action of pyrethroids
  2. The role of calcium in the hatching of Globodera rostochiensis
  3. Resistance to potato cyst-nematodes
  4. Surface features in the taxonomy of Pratylenchus species
  5. HexatyZus viviparus (Nernatoda, Tylenchida, Hexatylina) : head skeleton morphology and a comparison of head symrnetry with that of Ditylenchus dipsaci (Tylenchina)
  6. Beet cyst nematode
  7. A new excavation in Plio-Pleistocene deposits at Little Heath
  8. Cenozoic pedogenesis and landform development in south-east England
  9. Biology of aphidius rhopalosiphi, a parasitoid of cereal aphids
  10. Letters, land classification in the hills and uplands of England and Wales a soil surveyor's view
  11. Extracted leaf proteins: their amino acid composition and nutritional quality
  12. Behaviour and some morphological features of mango bud mite Eriophyes mangiferae
  13. Octanol/water partition coefficients and chemical uptake by plants
  14. Compounds derived from aphid alarm pheromones of potential use in controlling colonisation and virus transmission by aphids
  15. Present status and future prospects for synthetic pyrethroids
  16. Simulation of herbicide movement in soils in winter
  17. Hirschmanniella miticausa n. sp.(Nematoda: Pratylenchidae) and its pathogenicity on taro (Colocasia esculenta)
  18. The oviposition attractant for the mushroom phorid Megaselia halterata: The identification of volatiles present in mushroom house air
  19. A perspective of mineral nutrition: essential and functional metals in plants
  20. Epilogue
  21. Metals and micronutrients, uptake and utilization by plants
  22. Behavioural dynamics
  23. Factors determining miroflora of stored barley grain
  24. The infectivity index and barley yellow dwarf virus
  25. EURAPHID: synoptic monitoring for migrant vector aphids
  26. Plant virus epidemiology. The spread and control of insect-borne viruses
  27. Barley yellow dwarf virus: a global problem
  28. A soil survey of Harlow Carr woodlands
  29. Effects of barley powdery mildew on grain filling in contrasting environments
  30. Distance matrices and their Euclidean approximation
  31. Comparing classifications
  32. The mineralogy of Palaeogene sediments in southeast England
  33. GLIM - Generalized linear models statistical software
  34. GLIM - Generalized linear models statistical software
  35. Prospects for improving use of nitrogen fertiliser for the grower
  36. Rothamsted garden clover - red clover grown continuously since 1854
  37. The Broadbalk wheat experiment 1968-78 : yields and plant nutrients in crops grown continuously and in rotation
  38. Generalized linear models
  39. Do statisticians need special interactive languages?
  40. Evolution of pyrethroid insecticides for crop protection
  41. Metal-Complexes Of Dicamba - The Crystal And Molecular-Structures Of Dicamba (3,6-Dichloro-2-Methoxybenzoic Acid) And Catena-Mu-Aqua-Diaquabis(3,6-Dichloro-2-Methoxybenzoato)Zinc(Ii) Dihydrate
  42. X-ray-microanalysis applied to the study of insect migration with special reference to rice bug, nilaparvata-lugens
  43. Work of the Soil Microbiology Department, Rothamsted Experimental Station
  44. Work of the Department of Soils and Plant Nutrition
  45. Wild potato repels aphids by release of aphid alarm pheromone
  46. Water-relation parameters of epidermal and cortical-cells in the primary root of triticum-aestivum l
  47. Water sorption on ca-saturated clays .2. Internal and external surfaces of montmorillonite
  48. Water sorption on ca-saturated clays .1. Multilayer sorption and microporosity in some illites
  49. Vesicular-arbuscular mycorrhizas and the cation-anion balance of crops
  50. Variability of wheat yields in England and Wales
  51. Using foraging honeybees to sample an area for trace-metals
  52. The use of water and some inorganic salt-solutions to advance sugar-beet seed .2. Experiments under controlled and field conditions
  53. The use of water and some inorganic salt-solutions to advance sugar-beet seed .1. Laboratory studies
  54. Use of population-models to estimate the proportion of cyst-nematode eggs killed by fumigation
  55. The use of horizontal piezometers for insitu measurements of hydraulic conductivity below the water-table
  56. The use of 2nd-stage juvenile tails as an aid in the identification of meloidogyne species
  57. Ultrastructure of the mesophyll-cells of leaves of a catalase-deficient mutant of barley (hordeum-vulgare-l)
  58. Turbulent dispersion from an elevated line source - measurements of wind-concentration moments and budgets
  59. Treatment of potato seed and ware tubers with imazalil and thiabendazole for control of silver scurf and other storage diseases
  60. Translational control of pathogenesis-related-protein synthesis
  61. Towards a better understanding of critical nutrient concentrations in crops
  62. Thermodynamics and potassium exchange in soils and clay-minerals
  63. A theoretical-examination of burns (1975) equation for predicting the leaching of nitrate fertilizer applied to a soil surface
  64. Thai governments role in meeting the basic human-need for food - suthasupa,p
  65. Temperature-dependence of the enzymic carboxylation and oxygenation of ribulose 1,5-bisphosphate in relation to effects of temperature on photosynthesis
  66. A synthetic pheromone lure to induce worker honeybees to consume water and artificial forage
  67. Synthesis and properties of phosphinothricin derivatives
  68. The synthesis and deposition of the prolamin storage proteins (secalins) of rye
  69. Survival of some aphid (hemiptera, aphididae) predators with special reference to their parasites in England
  70. A survey of cutworm attacks in England and Wales, and a descriptive population-model for agrotis-segetum (lepidoptera, noctuidae)
  71. Suppressive soils
  72. Sub-families of hordein mRNA encoded at the Hor 2 locus of barley
  73. A study of the reliability of ultrasonic fat probe measurements as an indicator of sow condition
  74. Studies on fast and slow growing Rhizobium spp. nodulating Cqjanus cajan and Cicer arietinum
  75. Studies of a hydroxy-acid polyether ionophore
  76. Structures of complexes between dimethylthallium picrate and 2 isomers of dicyclohexano-18-crown-6
  77. Structure of a complex between sodium perchlorate and 6,7,9,10,12,13,15,16,23,24,26,27-dodecahydrodibenzo[b,k][1,4,7,10,13,16,19,22]octaoxacyclotetracosin (asymmetric dibenzo-24-crown-8), C24H32O8.NaClO4
  78. Structure of a complex between rel-(6R,11S,17R,22S)-6,7,8,9,10,11,17,18,19,20,21,22-dodecahydro-1,5,12,16,23,26,29-heptaoxa[73,14][5.5]orthocyclophane and magnesium bis(perchlorate) monohydrate, C22H38O7.Mg(ClO4)2.H2O
  79. Storage of barley-grain in iron-age type underground pits
  80. Spread of vesicular-arbuscular mycorrhizal fungi between separate root systems
  81. Spore germination and hyphal growth of a vesicular–arbuscular mycorrhizal fungus, Glomus mosseae (Gerdemann and Trappe), under decreased oxygen and increased carbon dioxide concentrations
  82. The specific surface of soils determined by water sorption
  83. Spatial variation of soil-nitrogen and related factors
  84. Spatial variation in soil and the role of kriging
  85. Some observations on pest damage to grassland and some possible control measures
  86. Some implications of helical fibers in worm cuticles
  87. Some field instruments suitable for the automated measurement of thermal and hydraulic-properties of soil
  88. Some causes of yield variation in an intensive spring barley experiment at Woburn, 1972-8
  89. Solubilization and characterization of wheat gluten proteins - correlations between the amount of aggregated proteins and baking quality
  90. Soil-moisture changes under grassland as measured by neutron probe in midland England
  91. Soil physical theory and heterogeneity
  92. Serological detection of pathogenesis-related proteins
  93. Sensitivity of barley powdery mildew to triadimenol in the UK
  94. Semi-latin squares and related designs
  95. Selection of potato cyst-nematodes on resistant solanum-vernei hybrids
  96. Seasonal distribution of stem‐boring larvae including frit fly (Diptera: Oscinella frit L.) and pest damage in perennial ryegrass
  97. Scent-marking of flowers by honeybees
  98. Scaled space and time variables in soil-water and groundwater flux-boundary problems
  99. The role of trehalose in the hatching mechanism of heterodera-goettingiana
  100. Role of organic-matter in growth of a vesicular-arbuscular mycorrhizal fungus in soil
  101. A review of septoria diseases of wheat and barley
  102. Restricted randomization
  103. Response of fusarium-nivale in wheat and barley caryopses to organomercury treatment in relation to site of infection and microbial antagonism
  104. Response of chrysoperla-carnea (stephens) (neuroptera, chrysopidae) to some potential attractants
  105. Relationships between lipophilicity and the distribution of non-ionized chemicals in barley shoots following uptake by the roots
  106. Relationships between labile‐P, NAHCO3‐soluble P, and mobilisation of non‐labile P in soils treated with inorganic phosphate fertilisers and organic manures
  107. Relationships between a p-sorption index, extractable fe and al and fluoride reactivity in the soils of an area of mid-Wales
  108. Relationship between n concentration of grain and grain-yield in recent winter-wheat experiments in England and Belgium, some with large yields
  109. A re-examination of esophageal ultrastructure in ditylenchus-dipsaci (nematoda, tylenchida) with some observations on intestinal structure
  110. Re-establishment of indigenous vesicular-arbuscular mycorrhizal fungi after topsoil storage
  111. Recovery of "pseudocercosporella-herpotrichoides spores from rain-splash samples
  112. The reactions of two cereal aphid parasitoids, aphidius-uzbekistanicus and aphidius-ervi to host aphids and their food-plants
  113. Quarantine measures for seed in the United-Kingdom
  114. Quantitative studies on dispersal of Pseudocercosporella herpotrichoides spores from infected wheat straw by simulated rain
  115. A quantitative comparison of the extraction of protein-fractions from wheat-grain by different solvents, and of the polypeptide and amino-acid-composition of the alcohol-soluble proteins
  116. The pyrethrins and related-compounds .27. Esters of pulegenic and related acids
  117. The pyrethrins and related-compounds .26. Analogs of fenvalerate from acyclic-substituted 3-methylbutyric and related acids
  118. Purification and properties of 2 forms of glutamine-synthetase from the plant fraction of phaseolus root-nodules
  119. Protein-synthesis by isolated plant-mitochondria
  120. Prospects for increasing photosynthesis by control of photo-respiration
  121. Problems of testing novel chemicals for the preservation of damp hay
  122. Presentation of papers at conferences
  123. The presence of high molecular-weight aggregates in the protein bodies of developing endosperms of wheat and other cereals
  124. Preparation and X-ray structure of [ReCl(Ph2PCH2CH2PPh2)2]
  125. The preparation and characterization of an aggregated gliadin fraction from wheat
  126. A preliminary investigation of the nutritive-value of 3 terrestrial lumbricid worms for rainbow-trout
  127. The potential of antagonists for fungal control
  128. Possible consequences of very large-scale use of unconventional energy-sources
  129. Point of error
  130. Point counting pores and illuvial clay in thin-section
  131. Plant-regeneration from protoplasts of solanum-brevidens
  132. Plant-regeneration from cultured immature embryos and inflorescences of 25 cultivars of wheat (triticum-aestivum)
  133. Plant-growth responses to vesicular arbuscular mycorrhiza .14. Interactions with verticillium wilt on tomato plants
  134. Photosynthesis, photo-respiration and nitrogen-metabolism
  135. Pesticides and honey bees - toxicity in the laboratory, and hazard in the field
  136. Pathogenesis-related proteins N, O, P, Q, R etc.: Some properties and separations
  137. Pathogenesis-related proteins in plants and tissues of nicotiana-tabacum transformed by agrobacterium-tumefaciens
  138. Pathogenesis-related proteins in crown gall tissue
  139. An outside view of the chinese agricultural scene
  140. Organic phosphorus-compounds .76. Synthesis and properties of phosphinothricin derivatives
  141. Occurrence of nematophagous fungi in cyst nematode populations
  142. Observations on a British hairworm, parachordodes-wolterstorffii(nematomorpha, gordiidae)
  143. Nutritional control of storage-protein synthesis in developing grain of barley (hordeum-vulgare-l)
  144. A note on modeling methods for studies of ectomycorrhizal systems
  145. New foods - proving leaf proteins worth
  146. Necrosis in field beans (vicia-faba) induced by interactions between bean leaf roll, pea early-browning and pea enation mosaic-viruses
  147. The natural incidence of disease in the cutworm agrotis-segetum in England and Wales
  148. Movement of plant-pathogens in the crop canopy
  149. Molecular analysis of a mutation conferring the high-lysine phenotype on the grain of barley (hordeum vulgare)
  150. Modified toxicity of paraquat on barley and wheat
  151. Modified toxicity of 2,4-d on leaves of rape
  152. Modified gas-liquid-chromatographic method for determining bromide-total bromine in foodstuffs and soils
  153. The microflora of ripening barley-grain and the effects of preharvest fungicide application
  154. Methods, progress and potential for the use of isolated vacuoles in studies of solute transport in higher-plant cells
  155. Metal-phenoxyalkanoic acid interactions .11. Crystal-structure of potassium 2,4-dichlorophenoxyacetate hemihydrate
  156. Metabolism and energy supply of plants under stress
  157. Melissococcus pluton, the cause of European foulbrood of honey bees (Apis spp)
  158. Mapping of the s' subsites of porcine pancreatic and human-leukocyte elastases
  159. The major proteins in extracts of tobacco leaves that are responding hypersensitively to virus-infection
  160. Lysine-sensitivity of aspartate kinase isoenzymes in barley plants with combinations of the lt1 and lt2 mutant genes
  161. Lysine transport in 2 barley mutants with altered uptake of basic-amino-acids in the root
  162. Limited independent growth of a vesicular-arbuscular mycorrhizal fungus invitro
  163. The isolation of ferredoxin dependent glutamate synthase deficient, photorespiration mutants of barley
  164. Isolation and identification of messenger-rna for the high-molecular-weight storage proteins of wheat endosperm
  165. The isolation and characterization of a catalase-deficient mutant of barley (hordeum-vulgare-l)
  166. Is there a phyto-interferon?
  167. An investigation of wheat rubp carboxylase activity by high resolution H-1 NMR
  168. Invasive and developmental processes of entomophthora-muscae infecting houseflies (musca-domestica)
  169. Introduction - purpose and types of models
  170. Intracellular-localization of aspartate kinase and the enzymes of threonine and methionine biosynthesis in green leaves
  171. Intracellular occurrence of cowpea mild mottle virus in 2 unrelated plant-species
  172. Interactions of vesicular arbuscular mycorrhizal infections and heavy-metals in plants .2. The effects of infection on uptake of copper
  173. Interactions of vesicular arbuscular mycorrhizal infection and heavy-metals in plants .1. The effects of heavy-metals on the development of vesicular arbuscular mycorrhizas
  174. Interaction of root-lesion nematodes, pratylenchus-thornei and pratylenchus-crenatus, with the fungus thielaviopsis-basicola and a grey sterile fungus on roots of pea (pisum-sativum)
  175. Integrated pest-control in china
  176. Insecticidal activity of the pyrethrins and related-compounds .14. Selectivity of pyrethroid insecticides between ephestia-kuhniella and its parasite venturia-canescens
  177. Insecticidal activity of the pyrethrins and related-compounds .13. Comparison of the effects of alpha-substituents in different esters
  178. Insect pest monitoring in china
  179. Infrequent transmission of double-stranded-rna virus-particles but absence of DNA proviruses in single ascospore cultures of gaeumannomyces-graminis
  180. Infection of potato stems by the gangrene pathogen, phoma-exigua var foveata
  181. The induction of permeability in egg-shells of ascaris-suum prior to hatching
  182. Indole-3-methylglucosinolate biosynthesis and metabolism in clubroot diseased plants
  183. The increasing need to control insect pests of oilseed rape in England
  184. Increased uptake of bromide and chloride by plants infected with vesicular-arbuscular mycorrhizas
  185. Increased uptake of anions by plants with vesicular-arbuscular mycorrhizas
  186. Incidence of tuber diseases in classified seed potatoes harvested in England and Wales, 1974-77
  187. In the soil
  188. Improvement of protein-quality in cereals
  189. Identification of barley yellow dwarf virus and cereal aphid infestations in winter-wheat by aerial-photography
  190. Identification of barley and wheat cdna clones related to the high-mr polypeptides of wheat gluten
  191. Identification of a male determinant on the x-chromosome of housefly (musca-domestica l) populations in southeast England
  192. Hyphal growth from spores of the mycorrhizal fungus glomus-caledonius - effect of amino-acids
  193. How many observations are needed for regional estimation of soil properties
  194. Honeybee paralysis - its natural spread and its diminished incidence in England and Wales
  195. High-resolution C-13 nmr of crystalline benzo-15-crown-5 using sideband suppression techniques
  196. Hatching of the cyst nematode heterodera-goettingiana in response to root diffusate from bean (vicia-faba)
  197. Hatching of potato cyst nematodes in root diffusates collected from 25 potato cultivars
  198. The hatching of heterodera-goettingiana in response to brief exposure to pea root diffusate
  199. Glutamine-synthetase from the plant fraction of phaseolus root-nodules - purification of the messenger-rna and invitro synthesis of the enzyme
  200. Generalized wreath-products of permutation-groups
  201. General nematology - maggenti,a
  202. Gas-diffusion through soil crumbs - the effects of wetting and swelling
  203. Further-studies on a spiroplasma isolated from coconut palms in Jamaica
  204. Further observations on the responses of male pea moth, cydia-nigricana, to vegetation previously exposed to sex-attractant
  205. Further novel 2-acylcyclohexane-1,3-diones from lepidopteran larvae
  206. Foraging behavior of honeybees on oilseed rape
  207. Foraging behavior of honeybees and bumble bees on brussels sprout grown to produce hybrid seed
  208. The feeding pump of ditylenchus-dipsaci (nematoda, tylenchida)
  209. Feedback-insensitive aspartate kinase isoenzymes in barley mutants resistant to lysine plus threonine
  210. The fate of fertilizer nitrogen in the field
  211. Factors determining the microflora of stored barley-grain
  212. Factors affecting the hazard of pesticides to honeybees
  213. Factors affecting resistance to insecticides in house-flies, musca-domestica l (diptera, muscidae) .1. Long-term control with bioresmethrin of flies with strong pyrethroid-resistance potential
  214. Extraction, separation, and polymorphism of the prolamin storage proteins (secalins) of rye
  215. Experiments with solid and liquid N-fertilizers and fungicides on winter wheat at Saxmundham, Suffolk, 1976–9
  216. Ewrs herbicide-soil working group - collaborative experiment on simazine persistence in soil
  217. Evaluation of pesticides for use with biological-control
  218. Etiology of African cassava mosaic disease
  219. The estimation of yield losses in wheat from severity of infection by septoria species
  220. Estimation of sugar-beet productivity from reflection in the red and infrared spectral bands
  221. Estimating N-2-fixation in the field using N-15-labeled fertilizer - some problems and solutions
  222. The enzymatic determination of bicarbonate and CO2 in reagents and buffer solutions
  223. Electrophoretic study of enzymes from cereal aphid populations. II. Use of electrophoresis for identifying aphidiid parasitoids (Hymenoptera) of Sitobion avenae (F.) (Hemiptera: Aphididae)
  224. Electrophoretic study of enzymes from cereal aphid populations. I. Electrophoretic techniques and staining systems for characterising isoenzymes from six species of cereal aphids (Hemiptera: Aphididae)
  225. Electrophoretic and serological comparisons of pathogenesis-related (b) proteins from different plant-species
  226. Electric charge, image-charge forces, and the deposition of pesticide drops
  227. The effects of sulphur starvation on the amino acid and protein compositions of barley grain
  228. Effects of sowing date on plant establishment and bolting and the influence of these factors on yields of sugar-beet
  229. Effects of some cyclic crown polyethers on potassium uptake, efflux and transport in excised root segments and whole seedlings
  230. Effects of several nitrification inhibitors, when injected with aqueous urea, on yields and nitrogen recoveries of ryegrass leys
  231. Effects of nitrogen fertilizer and tridemorph on mildew, growth and yield of spring barley 1975–7
  232. Effects of nitrogen-fertilizer and irrigation on sugar-beet at Brooms-Barn 1973-8
  233. Effects of fungicides and insecticides applied to spring barley sown on different dates in 1976-79
  234. Effects of fungicide movement between plots in field experiments
  235. The effects of fertilizers and drought on the concentrations of potassium in the dry-matter and tissue water of field-grown spring barley
  236. Effects of deltamethrin on walking, flight and potato-virus y-transmission by pyrethroid-resistant myzus-persicae
  237. Effects of delaying fungicide treatment on the incidence of gangrene in stored potato-tubers
  238. The effects of aspirin and polyacrylic-acid on the multiplication and spread of tmv in different cultivars of tobacco with and without the n-gene
  239. The effects of aspirin and polyacrylic-acid on pathogenesis-related protein induction and localized and systemic tobacco mosaic-virus infection
  240. Effects of 3,5-dichlorophenoxyacetic and other phenoxyacetic acids, as foliar sprays, on clubroot of cabbage
  241. The effectiveness of 1,3-dichloropropene for controlling virus vector nematodes with reference to the maff certification scheme for strawberry nursery stock
  242. Effective stresses in unsaturated soils and their applicability in the theory of critical state soil mechanics
  243. Effect of various levels of infestation by the seed weevil (Ceutorhynchus assimilis Payk.) on the seed yield of oil-seed rape (Brassica napus L.)
  244. Effect of the components of the nasonov pheromone on its release by honeybees at the hive entrance
  245. Effect of temperature on rubp carboxylase-oxygenase in relation to c-3 photosynthesis
  246. The effect of temperature before or after inoculation with phoma-exigua var foveata on the development of gangrene in potato-tubers
  247. The effect of somatic stress on behavior and water-content of infective larvae of trichostrongylus-colubriformis
  248. Effect of sharp eyespot (rhizoctonia-cerealis) on yield loss in winter-wheat
  249. The effect of rhizobium inoculation and nitrogen-fertilizer on nitrogen-fixation and seed yield of dry beans (phaseolus-vulgaris)
  250. Effect of phosphate on germination and growth of vesicular-arbuscular mycorrhizal fungi
  251. The effect of ph on the total and free ionic concentrations of manganese, zinc and cobalt in soil solutions
  252. The effect of ph and organic-matter of some soils on the ionic activities and concentrations of trace-elements in soil solutions
  253. Effect of paratrichodorus-anemones and other plant-parasitic nematodes on the growth of spring wheat
  254. The effect of nitrate and phosphate on the vesicular arbuscular mycorrhizal infection of lettuce
  255. Effect of honeybee nasonov and alarm pheromone components on behavior at the nest entrance
  256. The effect of erwinia-carotovora subsp atroseptica (blackleg) on potato plants .1. Growth and yield of different cultivars
  257. Effect of endogenous protease activity on sodium dodecyl-sulfate electrophoresis of homogenates of peach-potato aphids (myzus-persicae, sulz)
  258. Effect of dicyandiamide on ammonia volatilization from urea in soil
  259. Effect of anthelmintic treatment on milk-yield
  260. The effect of air bubbles on the response of tensiometers
  261. Earthworms, organic waste and food
  262. The distribution of aldicarb and its metabolites between lumbricus-terrestris, water and soil
  263. The distribution and effect of intracellular rickettsia-like microorganisms infecting adult males of the potato cyst-nematode globodera-rostochiensis
  264. The distribution and effect of intracellular rickettsia-like microorganisms infecting 2nd-stage juveniles of the potato cyst-nematode globodera-rostochiensis
  265. Dispersal of erwinia-carotovora subsp atroseptica in splash droplets
  266. Dispersal of "pseudocercosporella-herpotrichoides spores from infected wheat straw
  267. Dispersal of "pseudocercosporella-herpotrichoides and pyrenopeziza-brassicae spores in splash droplets
  268. Direct control of virus diseases
  269. Determination of the active-ingredient content of technical and formulated dnoc and dinoseb and technical dinobuton by spectrophotometry - a collaborative international pesticides analytical council study
  270. Decreased response to alarm pheromone by insecticide-resistant aphids
  271. Current work on soil potassium
  272. The crystal-structures of complexes of 2,5,8,11,14,18,21,24,27,30-decaoxatricyclo,15 dotriacontanewi th potassium thiocyanate(1-1), barium thiocyanate (1-1) dihydrate, and ammonium thiocyanate (1-2)
  273. The crystal-structure of wh2cl2(pme2ph)4 and its dehydrochlorination to generate a reactive metal center
  274. Crisscross designs
  275. Coordination of alkali-metals by open-chain polyethers in transition-metal complexes .2. An explanation for alkali-metal selectivity from the X-ray and molecular-structure of tetrakis 1-(ortho-carboxymethoxyphenoxy)-2-(ortho-hydroxyphenoxy)-ethana to(1-) dirubidiumcobalt(ii) and comparison with the dipotassium analog
  276. A controlled environment study of the effect of leaf physiological age on the movement of apterous myzus-persicae on sugar-beet plants
  277. Control of stem nematode, ditylenchus-dipsaci (oat race), by aldicarb and resistant crop plants
  278. The contribution of physics to land drainage
  279. Conservation of the name micropolyspora lechevalier, solotorovsky, and mcdurmont and designation of micropolyspora-faeni cross, maciver, and lacey as the type species of the genus - request for an opinion
  280. A conditional-lethal cnx-type nitrate reductase-deficient barley mutant
  281. Concentrations of potassium in the dry-matter and tissue water of field-grown spring barley and their relationships to grain-yield
  282. A computer-based system for the acquisition and analysis of data from a field tillage study
  283. Computer assessment of soil n status in spring - can it improve n efficiency
  284. Comparisons of invasion and development of Globodera spp and European potato cyst-nematode pathotypes in roots of resistant Solanum sg leptostemonum spp
  285. Comparison of methods of assessing field populations of heterodera-schachtii
  286. A comparison between sodium and potassium in the inhibition of stomatal opening by cyclic crown polyethers
  287. A comparative-analysis of chrysoperla-carnea catches in light-traps and suction-traps
  288. Clay-minerals of lake abert, an alkaline, saline lake
  289. Citation classic - the pathway of nitrogen assimilation in plants
  290. Chromosomal location of hor-3, a new locus governing storage proteins in barley
  291. Chemical control of the pea and bean weevil, sitona-lineatus l, and subsequent effects on the yield of field beans Vicia faba L.
  292. Charge heterogeneity in smectites
  293. Characteristics of oat (avena-sativa l) seed globulins
  294. Carbon costs of nitrogenase activity in legume root-nodules determined using acetylene and oxygen
  295. Calculators - how to get the answers right
  296. Brood recognition by honeybee (apis-mellifera) workers
  297. Biological-control of nematodes
  298. Biochemical-properties of the pathogenesis-related proteins from tobacco
  299. The biochemical and molecular genetics of the high molecular weight gluten proteins of wheat
  300. Behavioral dynamics
  301. Barcodes, readers and printers for library applications
  302. An attempt to use isolated vacuoles to determine the distribution of sodium and potassium in cells of storage roots of red beet (beta-vulgaris L.)
  303. Associations between weather factors and the spring migration of the damson-hop aphid, phorodon-humuli
  304. Association of viruses with two protozoal pathogens of the honey bee (2)
  305. Assessment of potassium in soils
  306. An assessment of insidious pest damage to 26 varieties of 7 species of herbage legumes
  307. An asparagine synthetase inhibitor in pisum and asparagus
  308. Application of the FAO-recommended method for detecting insecticide resistance in Aphis jabae Scopoli, Sitobion avenae (F.), Metopolophium dirhodum (Walker) and Rhopalosiphum padi (L.) (Hemiptera: Aphididae)
  309. Appearance of a novel form of plant glutamine-synthetase during nodule development in phaseolus-vulgaris L.
  310. Apparent short potassium hydrogen distances in potassium fluoride malonic-acid
  311. Apparent charge heterogeneity in kaolins in relation to their 2-1 phyllosilicate content
  312. Apparatus for collecting and surface sterilizing nematodes and similar small aquatic organisms
  313. Antagonists of the cereal cyst nematode heterodera-avenae woll in Australian soils
  314. Ammonia assimilation in the roots of nitrate-grown and ammonia-grown hordeum-vulgare (cv golden promise)
  315. Amino-acid interconversion in germinating-seeds
  316. Alarm pheromone secretion by insecticide-susceptible and insecticide-resistant Myzus-persicae treated with demeton-S-methyl - aphid dispersal and transfer of plant-viruses
  317. Aggregation states of alcohol-soluble storage proteins of barley, rye, wheat and maize
  318. Adsorbed ion activities and other thermodynamic parameters of ion-exchange defined by mole or equivalent fractions
  319. The adenylate energy-charge of the soil microbial biomass
  320. Activation of ribulose 1,5-bisphosphate carboxylase by Ca-2+
  321. Action of the feeding pump in longidorus-caespiticola hooper
  322. The action of the anterior feeding apparatus of caenorhabditis-elegans (nematoda, rhabditida)
  323. The action of methionine sulphoximine, phosphinothricin and its 2-oxo derivative on plant metabolism
  324. Action of inhibitors of ammonia assimilation on amino-acid-metabolism in hordeum-vulgare-l (cv golden promise)
  325. From tumor to tuber; tumor cell characteristics and chromosome numbers of crown gall-derived tetraploid potato plants (Solanum tuberosum cv. 'Maris Bard')
  326. Cytogenetics of Lolium perenne. Part 2: Chiasma distribution in inbred lines
  327. Cytogenetics of Lolium perenne. Part 3: Correlation between chiasmata and u-type exchange
  328. The physiology of vesicular-arbuscular endomycorrhizal symbiosis
  329. Effects of eight factors on the growth and nutrient-uptake of winter-wheat and on the incidence of pests and diseases
  330. Optimal interpolation and isarithmic mapping of soil properties .5. Co-regionalization and multiple sampling strategy
  331. Identification of Meloidogyne species; a comparison of stylets of females
  332. The use of ELISA in research on beet yellowing viruses
  333. Weather and modelling cereal aphid populations in Norfolk (UK)
  334. Mycorrhizal fungi and ion uptake
  335. Software notices. New developments in Genstat
  336. The inhibition of glutamate dehydrogenase by derivatives of isophthalic acid
  337. Asparagine synthesis in pea leaves, and the occurrence of an asparagine synthetase inhibitor
  338. The effects of barley yellow dwarf virus, aphids and honeydew on Cladosporium infection of winter wheat and barley
  339. The effect of barley yellow dwarf virus on field populations of the cereal aphids, Sitobion avenae and Metopolophium dirhodum
  340. Measurement and simulation of anion diffusion in natural soil aggregates and clods
  341. Kinetics and temperature relationships of mineralization and nitrification in Rothamsted soils with differing histories
  342. Transmission of Fusarium solani var. coeruleum and F. sulphureum from seed potatoes to progeny tubers in the field
  343. The effect of temerature before or after inoculation with Phoma exigua var. foveata on the development of gangrene in potato tubers
  344. The effect of Erwinia cartotovora subspecies atroseptica on potato plants II Compensatory growth
  345. Effects of spatial heterogeneity on Jones's model for cyst-nematode population dynamics and crop root damage.
  346. The effect of residual herbage height on milk production of grazing dairy cows
  347. The comparative effects of defoliation, treading and excreta on a Lolium perenne -Trifolium repens pasture grazed by sheep
  348. Support energy use in animal production from grassland
  349. Responsible use of support energy in food production
  350. Interrelationships between pattern of fermentation during ensilage and initial crop composition
  351. Impact on energy budgets in grassland production and conservation of possible production of energy from biomass crops
  352. Grass N-white clover to come back
  353. Effects of treading and the return of excreta on a perennial ryegrass-white clover sward defoliated by continuously-grazing sheep