1950

  1. Aphids aeronautics
  2. The dispersal of insects by wind
  3. The need for biological investigations in the specific determination of gall midges
  4. Review of work on nutritional problems in forest nurseries
  5. Nitrogen fertilisers for sugar beet
  6. Report of the Bee Department 1949
  7. A culture method for growing small free-living amoebae for the study of their nuclear division
  8. Changes in the behaviour of honey-bees following their recovery from anaesthesia
  9. The infection of plants by viruses through roots
  10. The structure and development of the larval cuticle of Diataraxia oleracea (Lepidoptera)
  11. An improved micro-method for the determination of fluorine based on an examination of the fluoride-fluosilicate equilibrium
  12. Inflammability of cereal crops in relation to water-content
  13. Preparation of Standardized Actinomycete Colonies
  14. I Section of soil physics 113 Soil moisture and evaporation
  15. Clay minerals and colloid chemistry - a general introduction
  16. Swelling chlorite
  17. Problems presented by nodule bacteria and the legume host
  18. Organic chemistry 8 Proteins
  19. A colorimetric method for the determination of pentoses in the presence of hexoses and uronic acids
  20. Cellulase from leaves and roots of tobacco
  21. Interlamellar adsorption of protein monolayers on pure montmorillonoid clays
  22. Control of plant nematodes
  23. Indications of provenance in some Anglesey drift soils
  24. The analysis of change-over trials
  25. Sampling on Successive Occasions with Partial Replacement of Units
  26. The competition between barley and certain weeds under controlled conditions IV Competition with Stellaria media
  27. The isolation of Nitrosomonas europaea in pure culture
  28. Gilbert Wooding Robinson 1889-1950 obituary
  29. Solvation of clay minerals in relation to crystal structure: inter-lamellar adsorption by clay minerals.
  30. A Colour Reaction Applicable to the Pyrethrins
  31. The effects of concentration of poison and the amount applied on the toxicity of insecticidal dusts to adult Tribolium castaneum Hbst
  32. The effect of insecticides on respiration II The effects of a number of insecticides on the oxygen uptake of adult Tribolium castaneum Hbst. at 25° C
  33. Mechanism of action of organo-phosphorus compounds as insecticides.
  34. The analysis of phosphate fertilizers
  35. Heat inactivation of leaf‐roll virus in potato tubers
  36. The oxidation of manganese by peroxidase systems
  37. The use of probits in combining percentage kills
  38. Deposition of air-borne particles on trap surfaces
  39. The estimation of error in rectangular lattices
  40. Stem eelworm and clover
  41. Oats and varietal susceptibility to stem eelworm infestation
  42. The Absorption of Ions by Excised Root Systems I Apparatus and preliminary experiments
  43. The influence of photoperiod and temperature on the induction of diapause in Diataraxia oleracea L.(Lepidoptera)
  44. Two species of Aphelenchoides associated with strawberry bud disease in Britain
  45. Buried Bag Technique for Testing D-D as a Soil Fumigant against the Potato-root Eelworm
  46. Investigations on the Emergence of Larvae from Cysts of the Potato-Root Eelworm Heterodera rostochiensis. 3. Larval Emergence in soil under the influence of Potato-Root Diffusate
  47. Investigations on the Emergence of Larvae from Cysts of the Potato-Root Eelworm Heterodera rostochiensis 2. The Form of the Hatching Curve
  48. A study of phage-resistant mutants of Rhizobium trifolii
  49. Interpreting relationships between the concentrations of plant viruses and numbers of local lesions
  50. Restoration of the ability of some heated antisera to flocculate specifically their antigens
  51. Use of Antisera to identify Nodule produced by the Inoculation of Legumes in the Field
  52. Electron micrographs of spores of some British gasteromycetes
  53. An electron-microscope study of potato virus X in different states of aggregation
  54. Methods of applying fertilizer to potatoes planted by machines
  55. Studies on two aphid‐transmitted viruses of leguminous crops
  56. The influence of the bacterial environment on the excystment of amoebae from soil
  57. Studies on the storage of potatoes. III. The composition of the atmosphere in a potato clamp
  58. Studies on the storage of potatoes II. The temperature conditions inside potato clamps
  59. Restricted randomization and quasi-Latin squares
  60. Statistical analysis of results for successive tests on the same organism
  61. The planning of probit assays
  62. The estimation of free iron oxides in soils and clays and their removal
  63. The spread of virus diseases to single potato plants by winged aphids
  64. Roguing potato crops for virus diseases
  65. The microclimate of the potato crop
  66. The correlation of aphid numbers with the spread of leaf roll and rugose mosaic in potato crops
  67. The effect of potassium on crop yield
  68. Maincrop potato growing in England and Wales
  69. Some observations on the oxidation of soil organic matter in the presence of alkali
  70. Amino-acids in soil
  71. The amino-acid composition of the protein material in soil
  72. Field trials II: the analysis of covariance
  73. Some observation on gleying
  74. A study of enzymes that can break down tobacco-leaf components. 1. Digestive juice of Helix on leaf fibre
  75. Sampling Theory of the Negative Binomial and Logarithmic Series Distributions
  76. Synchronous movement of Aphis fabae Scop.(Hem., Aphididae)
  77. The isolation from normal tobacco leaves of nucleoprotein with some similarity to plant viruses
  78. The formation of nitrates in soil following various crop rotations
  79. The identity of the Swede Midge, with notes on its biology
  80. The nature of precipitated calcium phosphates
  81. Weather and Food - Centenary symposium on meteorology and the community
  82. Diversity as a measurable character of an animal or plant population
  83. Phase coloration in larvae of Lepidoptera
  84. The application of the logarithmic series to the frequency of occurrence of plant species in quadrats
  85. Committee on nutrition problems in forest nurseries: summary report on 1949 experiments
  86. Close cereal cropping. Effect of cultural treatments of wheat on eyespot, lodging, take-all and weeds
  87. The effect of variations in calcium supply, ph value and nitrogen content of nutrient solutions on the response of lettuce and red clover to molybdenum
  88. Some factors affecting the activation of virus preparations made from tobacco leaves infected with a tobacco necrosis virus
  89. Some effects of host-plant nutrition on the multiplication of viruses
  90. Some effects of host nutrition on the susceptibility of plants to infection by certain viruses
  91. The mechanical transmission and some properties of potato paracrinkle virus
  92. Some effects of freezing in the leaf, and of citrate in vitro, on the infectivity of a tobacco necrosis virus
  93. Recent applications of biometrical methods in genetics. 1. Experimental techniques in plant improvement
  94. The water balance of the Stour catchment area
  95. Evaporation over the British Isles
  96. The diffusion of moisture through flax seed
  97. A new design of microsyringe tip for the instrumental insemination of queen honey-bees
  98. Agriculture, sampling and operational research
  99. The insecticidal activity of substances related to the pyrethrins .1. The toxicities of 2 synthetic pyrethrin-like esters relative to that of the natural pyrethrins and the significance of the results in the bioassay of closely related compounds
  100. Experiments on the synthesis of the pyrethrins. Part III. Synthesis of dihydrocinerin-I and tetrahydropyrethrin-I; a study of the action of N-bromosuccinimide on 3-methyl-2-n-alkyl (and alkenyl)-cyclopent-2-en-1-ones
  101. Infestation of a bean field by aphis fabae scop. in relation to wind direction
  102. The comparison of suction trap, sticky trap and tow-net for the quantitative sampling of small airborne insects
  103. A suction trap for small airborne insects which automatically segregates the catch into successive hourly samples