1950

  1. Two species of Aphelenchoides associated with strawberry bud disease in Britain
  2. Buried Bag Technique for Testing D-D as a Soil Fumigant against the Potato-root Eelworm
  3. 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
  4. Investigations on the Emergence of Larvae from Cysts of the Potato-Root Eelworm Heterodera rostochiensis 2. The Form of the Hatching Curve
  5. A study of phage-resistant mutants of Rhizobium trifolii
  6. Interpreting relationships between the concentrations of plant viruses and numbers of local lesions
  7. Restoration of the ability of some heated antisera to flocculate specifically their antigens
  8. Use of Antisera to identify Nodule produced by the Inoculation of Legumes in the Field
  9. Electron micrographs of spores of some British gasteromycetes
  10. An electron-microscope study of potato virus X in different states of aggregation
  11. Methods of applying fertilizer to potatoes planted by machines
  12. Studies on two aphid‐transmitted viruses of leguminous crops
  13. The influence of the bacterial environment on the excystment of amoebae from soil
  14. Studies on the storage of potatoes. III. The composition of the atmosphere in a potato clamp
  15. Studies on the storage of potatoes II. The temperature conditions inside potato clamps
  16. Restricted randomization and quasi-Latin squares
  17. Statistical analysis of results for successive tests on the same organism
  18. The planning of probit assays
  19. The estimation of free iron oxides in soils and clays and their removal
  20. The spread of virus diseases to single potato plants by winged aphids
  21. Roguing potato crops for virus diseases
  22. The microclimate of the potato crop
  23. The correlation of aphid numbers with the spread of leaf roll and rugose mosaic in potato crops
  24. The effect of potassium on crop yield
  25. Maincrop potato growing in England and Wales
  26. Some observations on the oxidation of soil organic matter in the presence of alkali
  27. Amino-acids in soil
  28. The amino-acid composition of the protein material in soil
  29. Field trials II: the analysis of covariance
  30. Some observation on gleying
  31. A study of enzymes that can break down tobacco-leaf components. 1. Digestive juice of Helix on leaf fibre
  32. Sampling Theory of the Negative Binomial and Logarithmic Series Distributions
  33. Synchronous movement of Aphis fabae Scop.(Hem., Aphididae)
  34. The isolation from normal tobacco leaves of nucleoprotein with some similarity to plant viruses
  35. The formation of nitrates in soil following various crop rotations
  36. The identity of the Swede Midge, with notes on its biology
  37. The nature of precipitated calcium phosphates
  38. Weather and Food - Centenary symposium on meteorology and the community
  39. Diversity as a measurable character of an animal or plant population
  40. Phase coloration in larvae of Lepidoptera
  41. The application of the logarithmic series to the frequency of occurrence of plant species in quadrats
  42. Committee on nutrition problems in forest nurseries: summary report on 1949 experiments
  43. Close cereal cropping. Effect of cultural treatments of wheat on eyespot, lodging, take-all and weeds
  44. 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
  45. Some factors affecting the activation of virus preparations made from tobacco leaves infected with a tobacco necrosis virus
  46. Some effects of host-plant nutrition on the multiplication of viruses
  47. Some effects of host nutrition on the susceptibility of plants to infection by certain viruses
  48. The mechanical transmission and some properties of potato paracrinkle virus
  49. Some effects of freezing in the leaf, and of citrate in vitro, on the infectivity of a tobacco necrosis virus
  50. Recent applications of biometrical methods in genetics. 1. Experimental techniques in plant improvement
  51. The water balance of the Stour catchment area
  52. Evaporation over the British Isles
  53. The diffusion of moisture through flax seed
  54. A new design of microsyringe tip for the instrumental insemination of queen honey-bees
  55. Agriculture, sampling and operational research
  56. 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
  57. 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
  58. Infestation of a bean field by aphis fabae scop. in relation to wind direction
  59. The comparison of suction trap, sticky trap and tow-net for the quantitative sampling of small airborne insects
  60. A suction trap for small airborne insects which automatically segregates the catch into successive hourly samples