1951

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