1951

  1. Insecticidal activity of the pyrethrins and related compounds
  2. Diurnal variation in the aerial density of Aphididae
  3. The ability of single phage particles to form plaques and to multiply in liquid cultures
  4. Fixation of phosphate during the acid extraction of soils
  5. How to apply fertilizers for sugar beet
  6. The mechanical application of fertilizers in field experiments
  7. Fertilizer placement machinery
  8. Placement of fertilizers for sugar beet
  9. The effect of soil calcium on the mineral content of wheat
  10. Latin rectangle designs for 2n factorial experiments on 32 plots
  11. The spread of lettuce mosaic in the field
  12. Lettuce mosaic in the field
  13. The influence of heat on some aphids
  14. Experiments on the colonization of potato plants by apterous and by alate aphids in relation to the spread of virus diseases
  15. Aphid excretion
  16. Economic and statistical aspects of vegetable an animal foods
  17. A review of recent work on soil organic matter part I
  18. Paper chromatography of amines
  19. Alkaline Decomposition of Amino-acids
  20. Experiments on the mechanism of gley formation.
  21. The influence of density of plant population on the incidence of yellows in sugar‐beet crops
  22. Colour reactions between clay minerals and root secretions
  23. An improved suction trap for insects
  24. The clear representation of very small masses
  25. Beet yellows virus
  26. 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
  27. The effect of infection with beet yellows and beet mosaic viruses on the carbohydrate content of sugar-beet leaves, and on translocation
  28. The behaviour of nitrogenous manures in the soil Part I. The loss of manurial nitrogen
  29. A new gall midge (Dipt., Cecidomyidae) predaceous on the Flour Mite, Tyroglyphus farinae (Deg.)
  30. Marking and breeding Testacella slugs
  31. Syrphidae as pests of cucumbers
  32. What is balanced manuring?
  33. Some aspects of the United Nations conference on the conservation of natural resources
  34. Comparing the efficiency of insect traps
  35. Effect of moonlight on insect activity
  36. Changes in insect populations in the field in relation to preceding weather conditions
  37. A note on the relative sizes of genera in the classification of animals and plants
  38. Seasonal changes in flight direction of migrant butterflies in the British Isles
  39. Intra-generic competition as illustrated by Moreau's records of East African bird communities
  40. Some interrelationships between manganese, molybdenum and vanadium in the nutrition of soybean, flax and oats
  41. Effects of cultural treatments on wheat and on the incidence of eyespot, lodging, take-all and weeds. Field Experiments 1945–8
  42. Some properties of broad-bean mottle virus
  43. Serologically related strains of potato virus y that are not mutually antagonistic in plants
  44. The application of electron microscopy to the study of plant viruses in unpurified plant extracts
  45. The survey of fertilizer practice. An example of operational research in agriculture
  46. Statistical methods in anthropology
  47. Quelques developpements modernes dans la planification des experiences
  48. The influence of statistical methods for research workers on the development of the science of statistics
  49. Bases logiques de la planification des experiences
  50. Some physical aspects of assimilation and transpiration
  51. The role of vegetation in meteorology, soil mechanics and hydrology
  52. Relationship of aphid density to altitude
  53. Evaporation over the British Isles
  54. The importance of perfume in the discovery of food by the worker honeybee (Apis-mellifera L)
  55. Aphids captured in a Rothamsted suction trap, 5 ft. above ground level, from June to November, 1947