1. Forecasting outbreaks of the English grain aphid, Sitobion avenae, with the aid of a simulation model
  2. Housefly resistance to pyrethroids in the vicinity of Harpenden
  3. Present trends and future needs in modelling for the management of insecticide resistance
  4. Towards integrated control of cereal aphids
  5. Water stress and crop growth 11
  6. Protoplasts in the in vivo life cycle of Erynia neoaphidis
  7. Influence of aerial pollution on crop growth and yield
  8. Effects of ground rock phosphate and elemental S on yield and P uptake of maize in western Kenya
  9. The deposition of sulphur and sodium in rainwater in the coastal region of Kenya
  10. Relationships between chemical structure and the behaviour and fate of pesticides
  11. Adsorption of pesticides by some Australian soils
  12. The first fifty years of the Journal of Animal Ecology with an Author index
  13. Canopy conductance of estate tea in Kenya
  14. Airborne Actinomycete spores as respiratory allergens
  15. chemicals for preventing moulding in damp hay
  16. The aerobiology of conidial fungi
  17. Problems in the use of sensitive serological methods for detecting viruses in vectors
  18. A comparison of the relative importance of between- and within-crop spread of ryegrass mosaic virus by eriophyid mites
  19. Agropyron mosaic virus in wheat
  20. Proceedings: 3rd Conference on Virus Diseases of Gramineae in Europe, Rothamsted, 28-30 May 1980
  21. Seed transmission and effects of ryegrass spherical virus
  22. Opportunities for manipulation of cereal productivity
  23. Barley yellow dwarf virus infectivity of cereal aphids trapped at two sites in Victoria
  24. Microbial biomass in soil: measurement and turnover
  25. Cation exchange in soils
  26. Precipitation
  27. The translocation of metals in soils
  28. The fate of plant and animal residues in soil
  29. Soil-borne pests and diseases
  30. Cropping systems in relation to soil-borne and trash-borne diseases of cereals
  31. Chairman's comments
  32. Chemicals in the control of cereal virus diseases
  33. Fungicides, fertilizers and sowing date
  34. Strategies for the control of cereal disease
  35. Expressing complex relationships in two dimensions
  36. Ordination between-and within-groups applied to soil classification
  37. Plotting the optimum positions of an array of cortical electrical phosphenes
  38. The effects of irrigation, nitrogen fertilizer and the control of pests and pathogens on spring-sown field beans (Vicia faba L.) and residual effects on two following winter wheat crops
  39. Petrography, origin and environment of deposition of the Shirdley Hill Sand of southwest Lancashire, England
  40. Analysis of asymmetric relationships in geological data
  41. Analysis of asymmetric relationships in geological data
  42. control of soil-inhabiting arthropods with Neoaplectana carpocaspsae
  43. Carabid beetles as predators of cereal aphids
  44. Biological effectiveness of spinning disc electrostatic sprayers
  45. Electrostatic spraying of crops with the APE 80
  46. The effect of temperature on photosynthetic and photorespiratory metabolism
  47. Experience of kriging from field measurements of soil properties : 3rd Colloque AISA Traitment informatique des Donnes de sol 14-17th Sept 1981
  48. Science in Crop Protection
  49. Nonprotein Amino Acids
  50. Would food and health-services benefit from a more intimate union
  51. Weathering of a soil glauconite in southern England
  52. Water-vapor calibration using salt hydrate transitions
  53. Water-use and tolerance of cyst-nematode attack in potatoes
  54. Water-movement in porous building-materials .3. A sorptivity test procedure for chemical injection damp proofing
  55. Virus-particles and double-stranded-rna in isolates of phialophora sp with lobed hyphopodia, phialophora-graminicola and gaeumannomyces-graminis var graminis
  56. Variation in 2 barley pathogens towards systemic fungicides
  57. The use of egg counts and suction trap samples to forecast the infestation of spring-sown field beans, vicia-faba, by the black bean aphid, aphis-fabae
  58. Use of c1q enzyme-linked immunosorbent-assay to detect plant-viruses and their serologically different strains
  59. Use of anthelmintics for cattle in England and Wales during 1978
  60. The use of anthelmintics for cattle in England and Wales during 1978
  61. Uptake and movement of chlormequat-C-14 chloride applied to leaves of barley and wheat
  62. Transcriptase activity associated with a type-2 double-stranded-rna mycovirus
  63. Theoretical and experimental relationships between soil adsorption, octanol-water partition-coefficients, water solubilities, bioconcentration factors, and the parachor
  64. Techniques for studying the infection of plants by vesicular-arbuscular mycorrhizal fungi under axenic conditions
  65. Techniques for preparation and examination of plant parasitic nematodes in the scanning electron-microscope
  66. Techniques for distributing non-fumigant nematicides in soil to control potato cyst-nematodes, globodera-rostochiensis and globodera-pallida
  67. Synthetic pheromones to attract honeybee (apis-mellifera) swarms
  68. Synthesis and X-ray crystal-structures of 3 isomeric macrobicyclic polyethers having similar melting-points and different complexing power for alkali-metal cations
  69. The synthesis and complexation of open-chain polyethers having various end groups
  70. Study of the behavior of several strains of conidiobolus-obscurus zygomycetes entomophthoraceae on the aphids acyrthosiphon-pisum and sitobion-avenae hom, aphididae
  71. Structure of the complex formed between ammonium picrate and 1,10-phenanthroline
  72. The structure of the 1,4,7,10,13,16-hexaoxacyclooctadecane (18-crown-6) bis(dimethyl sulfone) complex
  73. Structure of rel-([alpha]R),(1R,trans)-[alpha]-cyano-3-phenoxybenzyl 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate, non-insectidal components of cypermethrin
  74. Structure of a hydrazido(2-) complex of tungsten(V): trichlorobis(dimethylphenylphosphine)[phenylhydrazido(2-)]tungsten(V)
  75. A strain of Arracacha Virus B infecting Oca (Oxalis tuberosa: Oxalidaceae) in the Peruvian Andes
  76. The specification of experimental-designs to ANOVA programs - comment
  77. Spatial dependence and classification of the soil along a transect in northeast Scotland
  78. Sowing date - notes and recommendations
  79. Some speculations on the nature of the natural defense-mechanism of plants against virus-infection
  80. Some observations on earthworm populations in grassland soils
  81. Solitary bees that inhabit walls
  82. Soil segment overlap in character space and its implications for soil classification
  83. A simple and reliable method of estimating root length
  84. Similarity of Ribulose-1,5-bisphosphate carboxylases of isogenic diploid and tetraploid ryegrass (Lolium perenne L.) cultivars
  85. Separation of non-filamentous microorganisms from soil by density gradient centrifugation in percoll
  86. Selective isolation and enumeration of actinomycetes using rifampicin
  87. Selection criteria for the construction of efficient diagnostic keys
  88. Scaling of infiltration behavior in dissimilar porous materials
  89. A satellite double-stranded-rna in a virus from gaeumannomyces-graminis
  90. Routine production of axenic vesicular-arbuscular mycorrhizas
  91. Ribulose-1,5-bisphosphate carboxylase-oxygenase - how does it work - reply
  92. A review of statistical ideas relevant to intercropping research
  93. Responses of myzus-persicae (sulzer) (hemiptera, aphididae) to plants treated with fatty-acids
  94. The response of tensiometers embedded in saturated soil peds of low hydraulic conductivity
  95. Requirements of magnesium fertilizer by sugar-beet
  96. The relative abundance of the hymenopterous parasites attacking metopolophium-dirhodum (walker) and sitobion-avenae (f) (hemiptera, aphididae) on cereals during 1973-79 in southern England
  97. The relationship between light-trap and suction-trap catches of chrysoperla-carnea (stephens) (neuroptera, chrysopidae), and the adjustment of light-trap catches to allow for variation in moonlight
  98. Recent work with critical-point dried soils - reply
  99. Rapid spread by mites of ryegrass mosaic-virus from old sward to seedling ryegrass and its prevention by aldicarb
  100. A rapid and accurate method of aligning a crystal on a weissenberg goniometer
  101. A quantitative method for extracting resting spores of 2 nematode parasitic fungi, nematophthora-gynophila and verticillium-chlamydosporium, from soil
  102. The pyrethrins and related-compounds .25. Synthesis and insecticidal activity of conformationally restrained compounds related to 3-phenoxybenzyl esters
  103. Purification and some properties of tephrosia-symptomless virus
  104. Protoplasts in the invivo life-cycle of erynia-neoaphidis
  105. Prospects for improving plant establishment
  106. Properties of a filamentous virus of the honey bee (Apis mellifera)
  107. Properties of 13 viruses and virus variants obtained from 8 isolates of the wheat take-all fungus, gaeumannomyces-graminis var tritici
  108. Proline accumulation in a barley mutant resistant to trans-4-hydroxy-L-proline
  109. Problems in interpreting scanning electron-micrographs of plasmodiophora plasmodia
  110. Problems in countering resistance
  111. Preventing phosphorus losses during perchloric acid digestion of sodium bicarbonate soil extracts
  112. The prevalence of viruses of honey bees in Britain
  113. The presence of pathogenesis-related proteins in callus of xanthi-nc tobacco
  114. Preparation of green plant-material for liquid scintillation-counting
  115. Powdery mildew and its control
  116. Potassium retention and release in Rothamsted and Saxmundham soils
  117. Possible impact of cosmochemistry on terrestrial biology - historical introduction
  118. The polymorphism and structural homology of storage polypeptides (hordein) coded by the Hor-2 locus in barley (Hordeum vulgare L.)
  119. Plant-regeneration from shoot culture-derived protoplasts of tetraploid potato (solanum-tuberosum cv maris-bard)
  120. Plant-growth responses to vesicular-arbuscular mycorrhiza .12. Field inoculation responses of barley at 2 soil-p levels
  121. Phosphorus and carbon relationships in plants infected with vesicular-arbuscular mycorrhizal fungi
  122. Phosphate adsorption in allophanic soils
  123. Phenological and geographical relationships between catches of pea moth in sex-attractant traps
  124. Pest monitoring to aid insecticide use
  125. The pathogenesis-related proteins of tobacco - their induction by viruses in intact plants and their induction by chemicals in detached leaves
  126. Observations on relationships between infective juveniles of bovine lungworm, dictyocaulus-viviparus (nematoda, strongylida) and the fungi, pilobolus-kleinii and pilobolus-crystallinus (zygomycotina, zygomycetes)
  127. Observations on globodera-pallida and globodera-rostochiensis on early potatoes
  128. Novel 2-acycyclohexane-1,3-diones in the mandibular glands of lepidopteran larvae - kairomones of ephestia-kuehniella zeller
  129. Non-protein amino-acids of plants
  130. Nitrilase activity in clubroot diseased plants
  131. New weed hosts for the giant race of ditylenchus-dipsaci (kuhn) filipjev
  132. A new species of dysaphis borner from nepal (homoptera, aphidoidea)
  133. The nasonov pheromone of the honeybee apis-mellifera l (hymenoptera, apidae) .2. Bioassay of the components using foragers
  134. Nasonov pheromone of the honey bee, apis-mellifera l (hymenoptera, apidae) .3. Regulation of pheromone composition and production
  135. Movement of fluometuron, simazine, 36Cl− and 144Ce3+ in soil under field conditions: qualitative aspects
  136. Molecular-cloning and analysis of cdna sequences derived from polya+rna from barley endosperm - identification of b-hordein related clones
  137. Mode of action of hydroxypyrimidine fungicides
  138. The mode of action of ethionine foliar sprays against potato common scab (streptomyces-scabies)
  139. Microbiology of roots infected with the take-all fungus (gaeumannomyces-graminis var tritici) in phased sequences of winter-wheat
  140. Microbially bound phosphates in soils
  141. Methyl-substituted macrocyclic crown polyethers and their complexation
  142. Methods of producing perithecia of gaeumannomyces-graminis and their application to related fungi
  143. Methods for inoculating field crops with mycorrhizal fungi
  144. Maize endosperm proteins compared by sodium dodecyl-sulfate gel-electrophoresis and isoelectric-focusing
  145. The location of the enzymes of ammonia assimilation in root-nodules of phaseolus-vulgaris L.
  146. Localization and characterization of homoserine dehydrogenase isolated from barley and pea leaves
  147. Levels, distribution and chemical forms of trace-elements in food plants
  148. Laboratory application of preservatives to hay and the effects of irregular distribution on mold development
  149. The k-40 and bi-214 (from u-238) contents of Rothamsted soils determined by gamma spectrometry
  150. Invitro transcription of double-stranded-rna by virion-associated rna-polymerases of viruses from gaeumannomyces-graminis
  151. Interrelationship between nitrogen concentration in grain, grain-yield and added fertilizer nitrogen in wheat experiments of southeast England
  152. Interpretation of sperm development in nematodes
  153. The interaction between bactericidal chemicals and the wound-healing process of potato-tuber tissue
  154. The influence of soil treatments on the bacterial-degradation of diazinon and other organo-phosphorus insecticides
  155. Influence of plant interactions on vesicular-arbuscular mycorrhizal infections .2. Crop rotations and residual effects of non-host plants
  156. Infectivity of lesioned wheat root-tissue related to the presence of dehydrogenase enzymes in hyphae of gaeumannomyces-graminis var tritici in the lesions
  157. The incidence of gaeumannomyces-graminis var tritici and phialophora-radicicola var graminicola on wheat grown after different cropping sequences
  158. An improved small-scale unit for extracting leaf juice
  159. An improved open-topped chamber for pollution studies on crop growth
  160. An improved method for measuring soil respiration in the field
  161. Hydroxypyrimidine fungicides inhibit adenosine-deaminase in barley powdery mildew
  162. Host ranges of globodera species within solanum subgenus leptostemonum
  163. Hirschmanniella sp, an endo-parasitic nematode associated with miti-miti disease of taro corms in the Solomon-Islands
  164. Heterodera-mediterranea n-sp (nematoda, heteroderidae) on pistacia-lentiscus in southern italy
  165. A heavy metal-tolerant strain of a mycorrhizal fungus
  166. Hatching of potato cyst-nematodes (globodera-rostochiensis, globodera-pallida) in root exudates of solanum-vernei hybrids
  167. Hatching of globodera-rostochiensis in response to potato root diffusate persisting in soil
  168. Hatching mechanisms of nematodes
  169. Growth on oat-seedling agar of isolates of gaeumannomyces-graminis and some phialophora species from cereal roots
  170. Growth of spring barley under drought - crop development, photosynthesis, dry-matter accumulation and nutrient content
  171. Glutamine-metabolism in higher-plants
  172. Genetic-control of ethirimol resistance in a natural-population of erysiphe-graminis f-sp-hordei
  173. Fungus diseases on potato seed tubers planted in England and Wales, 1963-76
  174. Fungal parasites - a weapon against cyst nematodes
  175. Formation of microbial biomass during the decomposition of C-14 labelled ryegrass in soil
  176. Finding nitrogen-fixation genes
  177. Field plans - why the biometrician finds them useful
  178. Field desorption mass-spectrometry of complexes of sodium and potassium with macrocyclic polyethers
  179. Fertilizing for a rotation
  180. Fatty-acids as substrates and inhibitors of fungi from propionic-acid treated hay
  181. Factors determining the release of nasonov pheromone by honeybees at the hive entrance
  182. Factors affecting the sequential acquisition by danish houseflies (musca-domestica l) of resistance to organo-phosphorus insecticides
  183. Facilities for modeling linear and non-linear bioassay relationships in mlp
  184. The extraction and separation of barley glutelins and their relationship to other endosperm proteins
  185. Evidence for gene-for-gene relationships between resistance gene-H1 from Solanum-tuberosum ssp andigena and a gene in Globodera-rostochiensis, and between H-2 from solanum-multidissectum and a gene in Globodera-pallida
  186. Evaluation of the various components of the nasonov pheromone used by clustering honeybees
  187. Estimating parameters in quantitative bioassay
  188. Enhancement of polygalacturonase activity by potassium phosphate in liquid culture of phialophora-radicicola var radicicola
  189. Effects on dry-weight and nitrogen-content of grains of semi-dwarf and tall varieties of winter-wheat caused by decreasing the number of grains per ear
  190. Effects of soil application of benomyl against take-all (gaeumannomyces-graminis) and footrot diseases of wheat
  191. Effects of plant-protection chemicals on vesicular-arbuscular mycorrhizas
  192. The effects of irrigation, nitrogen-fertilizer and the control of pests and pathogens on spring-sown field beans (Vicia faba L.) and residual effects on 2 following winter-wheat crops
  193. Effects of ethionine and flurecols, applied to leaves, on clubroot of cabbage
  194. The effects of drought on barley - soil and plant water relations
  195. Effects of dose and attractant on interactions between pheromone traps for the pea moth, cydia-nigricana
  196. Effects of decreasing the number of grains in ears of cvs hobbit and maris huntsman winter-wheat
  197. Effects of covering potato crops with clear polyethylene film on spread of potato virus-y
  198. An effective lure for use in pheromone traps for monitoring pea moth, cydia-nigricana (f)
  199. The effect on wheat-grain growth of the removal or aba treatment of glumes and lemmas
  200. The effect of perforated polyethylene sheeting on the alighting behavior of aphids (hemiptera, aphididae) and their infestation of potato crops
  201. The effect of minimum cultivation on the incidence of take-all down the root profile of winter-wheat
  202. The effect of introducing aphid-pathogenic entomophthoraceae into field populations of aphis-fabae
  203. Effect of host plant-selection and temperature on the structure of root-nodules of red-clover (trifolium-pratense l)
  204. Effect of green manures on yield and nitrogen requirement of sugar-beet
  205. Ecology of mycorrhizae and mycorrhizal fungi
  206. Ecology of conidiobolus-obscurus (entomophthora-obscura) in soil
  207. The dual polyclave - an aid to more efficient identification
  208. Distributions of final digits in data
  209. Development of virology .5. Portraits of viruses - tobacco necrosis virus and its satellite virus
  210. Development of the crop
  211. The development of protein bodies in the storage tissues of seeds - subcellular separations of homogenates of barley, maize, and wheat endosperms and of pea cotyledons
  212. The determination of imazalil on potatoes and its use in controlling potato storage diseases
  213. Detection of starvation as the cause of death in honeybees, from thoracic glucose-levels
  214. Detection of ridge and furrow pattern by spectral-analysis of crop yield
  215. The design of optimal sampling schemes for local estimation and mapping of regionalized variables .2. Program and examples
  216. The design of optimal sampling schemes for local estimation and mapping of regionalized variables .1. Theory and method
  217. Deposition of particles liberated in gusts of wind
  218. Denitrification in a very acid tropical soil
  219. Dehydrochlorination of some organochlorine pesticides in freeze-dried egg and egg fat during storage
  220. Decreased severity of potato common scab after foliar sprays of 3,5-dichlorophenoxyacetic acid, a possible anti-pathogenic agent
  221. Darwin,charles and earthworms
  222. Dark respiration of several varieties of winter-wheat given different amounts of nitrogen-fertilizer
  223. The crystal-structures of 1,5,12,16,23,26,29,32,35-nonaoxa 133,14 - 5.5 orthocyclophane and its complex with rubidium picrate
  224. Crystal-structure studies of hydrazido(2-)quinolin-8-olato-complexes of molybdenum and tungsten
  225. Crystal-structure of 2 bridged macrobicyclic polyethers, 1,5,12,16,23,26,29-heptaoxa 73,14 5.5 orthocyclophane and 1,5,12,16,23,26,29,32-octaoxa 103,14 5.5 orthocyclophane
  226. The crystal-structure of 1,4,7,14,17,20,28,35-octaoxa 23,29.218,34 7.7 -orthocyclophane and its multihydrated complex with kcl
  227. Cross-linking of the Subunits of Potato Virus X with Di-imidates
  228. Crop protection chemicals - directions of future-development - introductory-remarks
  229. The correction of insitu tensiometer readings for overburden pressures in swelling soils
  230. Conventional and novel approaches to the improvement of the nutritional quality of cereal and legume seeds
  231. Control of potato diseases during growth and in store by fungicide seed treatment
  232. Contamination of vegetation with synthetic sex-attractant released from traps for the pea moth, cydia-nigricana
  233. Conidiobolus-obscurus in arable soil - a method for extracting and counting azygospores
  234. Complex-formation between guanidinium nitrate and 1,4,7,10,13,16-hexaoxacyclo-octadecane (18-crown-6) - crystal-structure of the hydrogen-bonded 2 - 1 complex
  235. The compatibility of the nitrification inhibitor dicyandiamide with injected anhydrous ammonia
  236. Compartmental modeling of photo-respiration and carbon metabolism of water stressed leaves
  237. A comparison of the organic matter, biomass, adenosine triphosphate and mineralizable nitrogen contents of ploughed and direct-drilled soils
  238. The classification, identification and nomenclature of agrobacteria - incorporating revised descriptions for each of agrobacterium-tumefaciens (smith and townsend) conn 1942, agrobacterium-rhizogenes (riker et al) conn 1942, and agrobacterium-rubi (hildebrand) starr and weiss 1943
  239. Chemicals for preventing molding in damp hay
  240. Carbonyl-complexes of niobium and tantalum and evidence of a niobium dinitrogen complex - the structure of carbonyldichlorocyclopentadienylbis(dimethylphenylphosphine)tantalum
  241. Calcium inhibitors and the hatching of globodera-rostochiensis
  242. Breeding of nodulated red-clover (trifolium-pratense) for high-yield
  243. Biology and behavior of the honeybee apis florea, and possibilities for beekeeping
  244. Badgers guilty
  245. Badger debate
  246. Bacterium-like organelles in the vesicular-arbuscular mycorrhizal fungus glomus-caledonius
  247. Attraction of honey bees to flowering plants by using synthetic nasonov pheromone
  248. Attractant lures for males of the pea moth,Cydia nigricana (F.) Containing (E)-10-dodecen-1-yl acetate and (E,E)-8,10-dodecadien-1-yl acetate
  249. The attachment of honeybee comb to sloping hive sides and side-bars of frames
  250. Analysis of field-weathered lures containing (E)-10-dodecen-1-yl acetate, a sex attractant for the pea moth,Cydia nigricana (F.)
  251. Agricultural use of lime
  252. Aerodynamic properties of field bean and potato crops
  253. 2 serologically unrelated viruses isolated from a phialophora sp
  254. Variation in chiasma distribution in inbred perennial ryegrass
  255. Optimal interpolation and isarithmic mapping of soil properties .4. Sampling strategy
  256. The development of forecasting systems for cereal aphid outbreaks in Europe
  257. The 'natural enemy ravine' in cereal aphid population dynamics: a consequence of predator activity or aphid biology?
  258. Effects of common scab Streptomyces scabies on potatoes
  259. The determination of ionic diffusion coefficients in field soils. I. Diffusion coefficients in sieved soils in relation water content and bulk density.
  260. Simulations of population models for cyst-nematodes: applications in agriculture.
  261. Phoridae (Diptera) from English pasture soils.