1. Report of the Bee Department 1950
  2. Nuclear division in amoebae and its bearing on classification
  3. The flight range of the honey-bee
  4. Surface properties of calcium phosphates
  5. A Method for Distinguishing Between Viable Spores and Mycelial Fragments of Actinomycetes in Soils
  6. Some chloritic clay minerals of unusual type
  7. Some experiments and field observations on the germination of wild oat (Avena fatua and Avena ludoviciana) seeds in soil and the emergence of seedlings
  8. A comparison of the growth of wild and of cultivated oats in manganese-deficient soil
  9. Cellulase and chitinase of earthworms
  10. The term Eelworm-free soil in plant quarantine regulations
  11. Change‐over trials
  12. Particles size of insecticial suspensions and their contact toxicity III Temperature coefficients and tests by injection
  13. Particles size of insecticial suspensions and their contact toxicity IV Mechanisms of action of different-sized particles
  14. The effect of manures on the bolting of the beet plant
  15. Myxobacteria Mistaken for Nitrifying Bacteria
  16. The effects of glucose on impure cultures of nitrifying bacteria
  17. Notes on the soils of Syria
  18. Studies on the mechanism of insecticidal action of organo-phosphorus comounds with particular reference to their antiesterase activity
  19. The Prey of Some Tree Trunk Frequenting Empididae and Dolichopodidae (Dipt.).
  20. On Two Neglected Type Designations in the Genus Hydrobaenus Fries, 1830 (Dipt., Chironomidae)
  21. Contributions to Mathematical Statistics
  22. Crop prediction in England
  23. The water balance of catchment areas
  24. Experimental agriculture
  25. Experimental agriculture
  26. Myxobacteria in soils. use of rabbit dung pellets to detect myxobacteria in soils
  27. The action of peroxidase systems on ferrocyanide, molybdate, tungstate and vanadate
  28. The study of wind-borne insect populations in relation to terrestrial ecology, flight periodicity and the estimation of aerial populations
  29. A study of various fractions of the manganese of neutral and alkaline organic soils
  30. A soil survey on Warpland in Yorkshire
  31. The influence of nosema apis on the larval honeybee
  32. Deposition of air-borne Lycopodium spores on cylinders
  33. Cryptostroma corticale and sooty bark disease of sycamore (Acer pseudoplatanus)
  34. A general technique for the analysis of experiments with incorrectly treated plots
  35. The expected frequencies in a sample of an animal population in which the abundances of species are log-normally distributed. Part I
  36. Stem Eelworm Attack on Seedlings of Vetches, Vicia villosa Roth, and Vicia sativa L.
  37. A secondary piliferous layer on the roots of Hippeastrum
  38. The potato tuber nematode Ditylenchus destructor Thorne 1945 - the cause of eelworm disease in the bulbous iris
  39. Observations on the attack by the stem eelworm, Ditylenchus dipsaci, on strawberry
  40. A new species of Hyphomycete attacking the stem Eelworm Ditylenchus dipsaci
  41. The “Hemizonid,” a Hitherto Unrecorded Structure in Members of the Tylenchoidea
  42. The Absorption of Ions by Excised Root Systems II Observations on roots of barley grown in solutions deficient in phosphorus, nitrogen or potassium
  43. The selection and rearing of leaf-eating insects for use as test subjects in the study of insecticides
  44. Further Studies on the Identification of Heterodera Species by Larval Length. Estimation of the Length Parameters for Eight Species and Varieties
  45. On the Varying Nematicidal Effects of Different Samples of DD against the Potato-root Eelworm Heterodera rostochiensis
  46. The effect of temperature on the development of the potato‐root eelworm, heterodera rostochiensis
  47. A new modification of the McMaster slide for use in potato-root eelworm investigations
  48. Investigations on the Emergence of Larvae from the Cysts of the Potato-root Eel worm, Heterodera rostochiensis 5 A Shortened Method for the Conduct of Hatching Tests.
  49. Investigations on the Emergence of Larvae from the Cysts of the Potato-root Eelworm, Heterodera rostochiensis.: 4. Physical Conditions and their Influence on Larval Emergence in the Laboratory.
  50. The Use of a Microbalance in Putting up Uniformly Sized Batches of Heterodera Cysts for Experiment.
  51. A rapid method for estimating the density of white cysts of Heterodera rostochiensis on potato roots
  52. Insecticidal activity of the pyrethrins and related compounds
  53. Diurnal variation in the aerial density of Aphididae
  54. The ability of single phage particles to form plaques and to multiply in liquid cultures
  55. Fixation of phosphate during the acid extraction of soils
  56. How to apply fertilizers for sugar beet
  57. The mechanical application of fertilizers in field experiments
  58. Fertilizer placement machinery
  59. Placement of fertilizers for sugar beet
  60. The effect of soil calcium on the mineral content of wheat
  61. Latin rectangle designs for 2n factorial experiments on 32 plots
  62. The spread of lettuce mosaic in the field
  63. Lettuce mosaic in the field
  64. The influence of heat on some aphids
  65. Experiments on the colonization of potato plants by apterous and by alate aphids in relation to the spread of virus diseases
  66. Aphid excretion
  67. Economic and statistical aspects of vegetable an animal foods
  68. A review of recent work on soil organic matter part I
  69. Paper chromatography of amines
  70. Alkaline Decomposition of Amino-acids
  71. Experiments on the mechanism of gley formation.
  72. The influence of density of plant population on the incidence of yellows in sugar‐beet crops
  73. Colour reactions between clay minerals and root secretions
  74. An improved suction trap for insects
  75. The clear representation of very small masses
  76. Beet yellows virus
  77. The spread of beet yellows and beet mosaic viruses in the sugar-beet root crop. I. Field observations of the virus diseases of sugar beet and their vectors Myzus persicae Sulz. and Aphis fabae Koch
  78. The effect of infection with beet yellows and beet mosaic viruses on the carbohydrate content of sugar-beet leaves, and on translocation
  79. The behaviour of nitrogenous manures in the soil Part I. The loss of manurial nitrogen
  80. A new gall midge (Dipt., Cecidomyidae) predaceous on the Flour Mite, Tyroglyphus farinae (Deg.)
  81. Marking and breeding Testacella slugs
  82. Syrphidae as pests of cucumbers
  83. What is balanced manuring?
  84. Some aspects of the United Nations conference on the conservation of natural resources
  85. Comparing the efficiency of insect traps
  86. Effect of moonlight on insect activity
  87. Changes in insect populations in the field in relation to preceding weather conditions
  88. A note on the relative sizes of genera in the classification of animals and plants
  89. Seasonal changes in flight direction of migrant butterflies in the British Isles
  90. Intra-generic competition as illustrated by Moreau's records of East African bird communities
  91. Some interrelationships between manganese, molybdenum and vanadium in the nutrition of soybean, flax and oats
  92. Effects of cultural treatments on wheat and on the incidence of eyespot, lodging, take-all and weeds. Field Experiments 1945–8
  93. Some properties of broad-bean mottle virus
  94. Serologically related strains of potato virus y that are not mutually antagonistic in plants
  95. The application of electron microscopy to the study of plant viruses in unpurified plant extracts
  96. The survey of fertilizer practice. An example of operational research in agriculture
  97. Statistical methods in anthropology
  98. Quelques developpements modernes dans la planification des experiences
  99. The influence of statistical methods for research workers on the development of the science of statistics
  100. Bases logiques de la planification des experiences
  101. Some physical aspects of assimilation and transpiration
  102. The role of vegetation in meteorology, soil mechanics and hydrology
  103. Relationship of aphid density to altitude
  104. Evaporation over the British Isles
  105. The importance of perfume in the discovery of food by the worker honeybee (Apis-mellifera L)
  106. Aphids captured in a Rothamsted suction trap, 5 ft. above ground level, from June to November, 1947