1970

  1. Silver staining of insect central nervous systems by the Bodian protargol method
  2. Biosystematic studies of Salticella fasciata (Meigen), a snail-killing fly (Diptera: Sciomyzidae)
  3. Some experiments with different formulations of organophosphorus insecticides as seed dressings to control wheat bulb fly (Leptohylemyia coarctata)
  4. The Effects of Known Amounts of γ‐BHC and Organophosphorus Seed Dressings on Growth of Wheat Seedlings and on Attack by Larvae of Wheat Bulb Fly (Leptohylemyia coarctata (Fall.))
  5. Microbiological degradation of parathion
  6. The influence of multiple mating on the reproduction and genetics of Heterodera rostochiensis and H. schachtii
  7. The interrelationships of some Heterodera spp. indicated by the specificity of the male attractants emitted by their females
  8. Observations On the Fecundity and Longevity of Tylenchus Emarginat Us On Sitka Spruce Seedlings At Different Temperatures
  9. The classification of soil profiles by traditional and numerical methods
  10. Report on leaf scorch decline of coconuts
  11. The effect of sowing date and harvesting date on the yield of sugar beet
  12. Needle nematodes (Longidorus spp.) and stubby‐root nematodes (Trichodorus spp.) harmful to sugar beet and other field crops in England
  13. A neotype for Cephalobus persegnis Bastian, 1865, redescription of the species, and observations on variability in taxonomic characters
  14. The oxidation of pyridoxal and related compounds by pea-seedling extracts or systems containing peroxidase
  15. The cytochrome c-catalysed oxidation of ascorbate in the presence of sodium dodecyl sulphate and NNN'N'-tetramethyl-p-phenylenediamine
  16. Improving the health of seed potatoes
  17. Improving the health of seed potatoes
  18. Field trials of anti-Capsid insecticides on farmers' cocoa in Ghana, 1956-60. 1, Comparing the effects of treatments by assessing subsequent damage
  19. A comparative study of red clover vein mosaic virus and some other plant viruses
  20. Some biological effects of ammonia injected into soils
  21. Nitrification inhibitors their occurrence, production and effects of their use on crop yields and composition
  22. The effects of the nitrogen in soils on the growth, composition and yield of crops
  23. The decomposition of crotonylidene di-urea in soil and the recovery of nitrogen by ryegrass
  24. Effects of fertilizer-nitrogen and water supply on distribution of dry matter and nitrogen between the different parts of wheat
  25. The effect of ammonium sulphate treated with a nitrification inhibitor, and calcium nitrate, on growth and N-uptake of spring wheat, ryegrass and kale
  26. Effects of fertilizer-nitrogen and water supply on distribution of dry matter and nitrogen between the different parts of wheat
  27. Some causes of error in determination of total nitrogen in plant material
  28. Experiments with kiln-dried poultry manure on agricultural crops and vegetables at Rothamsted, Woburn and other centres in 1933-39.
  29. Effect of flower shapes and nectar guides on the behaviour of foraging honeybees
  30. The flower constancy of bumblebees
  31. The behaviour of wasps (Vespula germanica L. andV. Vulgaris L.) when foraging
  32. The behaviour of wasps (Vespula germanica L. andV. Vulgaris L.) when foraging
  33. Preliminary investigations on the occupation of artificial nests by Osmia rufa L.(Hymenoptera, Megachilidae)
  34. Exposure of the Nasonov gland by honeybees (Apis mellifera) collecting water
  35. Interrelationships of nematodes, weeds, herbicides and crops.
  36. Nursery and forest extension experiments in tree nutrition. Nitrogen concentrations in conifer transplants and subsequent growth in the forest.
  37. The effect of small doses of nematicides on migratory root‐parasitic nematodes and on the growth of sugar beet and barley in sandy soils
  38. The effect of D–D, chloropicrin and previous crops on numbers of migratory root‐parasitic nematodes and on the growth of sugar beet and barley
  39. Inactivation by ultraviolet radiation at different wavelengths of the RNA isolated from potato virus X
  40. Longevity of males and fertilisation of females of Heterodera rostochiensis.
  41. The effects of gamma radiation on Heterodera rostochiensis.
  42. A simple vacuum-gauge scale expander
  43. The Relationship between the Structure and the Activity of Pyrethroids
  44. Effect of Fumigants on Fungi in Buried Wheat Straw
  45. The taxonomic status of British water voles Genus Arvicola
  46. Cereal Pratylenchus spp. in England and Wales, and their Recognition
  47. Maintaining nematode cultures under mineral oil.
  48. Plant and soil nematode population changes in wheat grown continuously in ploughed and in unploughed soil
  49. Root‐lesion Nematodes (Pratylenchus spp) in Britain and their Identification
  50. The composition of the cyst wall of the beet cyst-nematode Heterodera schachtii
  51. The carrying capacity of the land in the year 2000
  52. Soils and fertilisers
  53. Soil fertility problems in cereal growing in temperate zones
  54. Losses of nitrogen and phosphorus from agricultural land
  55. The quality of stored main crop potatoes in Great Britain
  56. Effects of green manuring, farmyard manure, and straw on the organic matter of soil and of green manuring on available nitrogen
  57. Soil water measurement by a low‐resolution nuclear magnetic resonance technique
  58. Movement of gases in soil respiration.
  59. Heterogeneous distribution of nutrients, air and water within the soil
  60. Potato cyst nematode: one species or two?
  61. The stacked-disk structure of tobacco mosaic virus protein
  62. The effect of flame cultivation on eyespot disease of winter wheat
  63. Chemistry of communication in the honeybee - a lecture by RK Callow
  64. Effect of previous cropping and manuring on the nitrogen fertilizer needed by sugar beet
  65. Effects of soil compaction on yield and fertilizer requirement of sugar beet
  66. Sodium and potassium relationships in sugar beet
  67. The relationship between exchangeable soil magnesium and response by sugar beet to magnesium sulphate
  68. Comparisons of liquid and solid fertilizers and anhydrous ammonia for sugar beet
  69. Air movement near windbreaks and a hypothesis of the mechanism of the accumulation of airborne insects
  70. A bivane direction indicator and a sensitive vertical anemometer for measuring components of wind in sheltered places
  71. Distribution of aphids in cereal crops
  72. Root temperature and root-hair infection ofTrifolium subterraneum L. cv. Cranmore
  73. Nodulation and nitrogen fixation by Vigna sinensis and Vicia atropurpurea: The influence of concentration, form, and site of application of combined nitrogen
  74. Myxomycetes on Beet seed
  75. Experiments on the effect of plant losses after singling on the yield of sugar beet
  76. Biophysical aspects of nervous activity in relation to studies on the mode of action of insecticides
  77. Field trials of anti-Capsid insecticides on farmers' cocoa in Ghana, 1956-60. 1, Comparing the effects of treatments by assessing subsequent damage
  78. Indolyl-3-acetic acid formation by Azotobacter chroococcum
  79. Influence of cultivations on soil properties
  80. Cation exchange properties of micsas III Release of potassium sorbed by potassium depleted micas
  81. Polarography of demeton, disulfoton and phorate
  82. Multi-level nitrogen tests for cereals
  83. Nitrogen requirement of sugar beet grown on mineral soils
  84. Some recent ideas on fertilizer response curves
  85. Pollution of soils
  86. The distribution of sulphur in the mud of Lake Victoria
  87. The influence of root temperature on root-hair infection of Trifolium subterraneum L. by Rhizobium trifolii Dang.
  88. The Infection of Trifolium subterraneum Root Hairs by Rhizobium trifolii
  89. Effect of low temperature pre-treatment on infection of clover root hairs by Rhizobium
  90. Potential protein sources for human food
  91. Light and Temperature Thresholds for Take-Off by Aphids
  92. Aggregation and the transformation of counts of Aphis fabae Scop, on beans
  93. Chlorophyll bleaching systems in leaves
  94. Lipoxidase activity of leaves
  95. Studies on the genus Thermomonospora
  96. A herbicide-induced abnormality in sugar beet
  97. Sulphur as a nutrient for Sitka spruce (Picea sitchensis) seedlings and radish (Raphanus sativus) grown on a sandy podzol in England
  98. Glasshouse and leaf canopy enclosures for studying the effects of environment on the growth and nature of the photosynaptic apparatus
  99. Virus-like particles in the plant hopper Javesella pellucida Fab.
  100. A note on Burnaby’s character-weighted similarity coefficient
  101. Classification and Geology
  102. Residual effects of soil fumigation on soil respiration and mineralization
  103. Inorganic soil phosphorus I. Changes in monocalcium phosphate potentials on cropping
  104. Inorganic soil phosphorus: II. Changes in monocalcium phosphate and lime potentials on mixing and liming soils
  105. Yields of, and N uptakes by, some grass species and varieties under different glasshouse conditions
  106. Residual value of basic slag, Gafsa rock phosphate and superphosphate in a sandy podzol
  107. Total phosphorus contents of soils by perchloric acid digestion and sodium carbonate fusion
  108. Recent work on wheat bulb fly
  109. Energy relationships between larvae of Phaedon cochleariae (Coleoptera; Chrysomelidae) or Plutella maculipennis (Lepidoptera; Plutellidae) und radish or turnip plants
  110. Effects of flea beetles on the yield of radish
  111. Suspected insecticide resistance mechanism in the peach–potato aphid
  112. Comparison of the biology of Myzus persicae Sulz. resistant and susceptible to dimethoate
  113. Effects of varying the hostplant and environmental conditions on the feeding and reproduction of Aphis Fabae
  114. Chlorophyllase of sugar-beet leaves
  115. The value of residues from long-period manuring at Rothamsted and Woburn I A summary of the results of experiments started by Lawes and Gilbert
  116. A semi-quantitative hydrological classification of soils in North-East England
  117. A measured volume dispenser for watering plants
  118. Seed production by couch grass (Agropyron repens)
  119. The soils of Hertfordshire
  120. The value of residues from long-period manuring at Rothamsted and Woburn II A summary of the results of experiments started by Lawes and Gilbert
  121. The value of residues from long-period manuring at Rothamsted and Woburn III The experiments made from 1957 to 1962, the soils and histories of the sites on which they were made
  122. The value of residues from long-period manuring at Rothamsted and Woburn IV The value to arable crops of residues accumulated from superphosphate
  123. The value of residues from long-period manuring at Rothamsted and Woburn V The value to arable crops of residues accumulated from potassium fertilizers
  124. The residual value of farmyard manure and superphosphate in the Saxmundham Rotation II Experiment, 1899-1968
  125. Assessment of terrestrial invertebrate populations
  126. Persistent pesticides in the environment
  127. Chemical communications in insects : behavioral and ecologic aspects
  128. A simple way of purifying several insect viruses
  129. Disinfection of honeybee combs by gamma irradiation II European foul brood disease
  130. Musings of an erstwhile plant pathologist
  131. The effect of soil pH on potassium intensity and release of non-exchangeable potassium to ryegrass
  132. A diffusive resistance porometer for field use. II. Theory, calibration and performance
  133. Chemical communication in insects : behavioral and ecologic aspects
  134. Woburn irrigation, 1960-8 .6. Results for rotation crops
  135. Woburn irrigation, 1960-8 .5. Results for leys
  136. Woburn irrigation, 1960-8 .4. Design and interpretation
  137. The water cycle
  138. A possible source of error in estimation of stomatal resistance
  139. A major low-level air current near indian ocean during northern summer - interhemispheric transport of air in lower troposphere over western indian ocean
  140. Air motion and precipitation growth in a wave depression
  141. Hive entrance finding by honeybee (Apis-mellifera) foragers
  142. The efficient use of function minimization in non-linear maximum-likelihood estimation
  143. Insecticidal activity of the pyrethrins and related compounds: III.—Penetration of pyrethroid insecticides into mustard beetles (Phaedon cochleariae)
  144. The pyrethrins and related compounds: X.—The methylbenzyl chrysanthemates
  145. Scientific basis of contraception
  146. An oscillating insect barrier
  147. Influence of soil moisture on the performance of granular systemic insecticides applied to soil
  148. Genstat: a general statistics program
  149. Some factors affecting the activities of dinitrophenol fungicides
  150. Improved procedures for clearing roots and staining parasitic and vesicular-arbuscular mycorrhizal fungi for rapid assessment of infection
  151. Use of the quantity/potential relationship to provide a scale of the ability of extractants to remove soil potassium
  152. The uptake of initially available soil potassium by ryegrass
  153. Potassium uptake by potatoes
  154. The potassium Q/l relationships of soils given different K manuring
  155. Potassium : calcium exchange in soils of the Broadbalk experiment at Rothamsted
  156. A note on resolving soil cation exchange capacity into "mineral" and "organic" fractions