1950

  1. Deposition of air-borne particles on trap surfaces
  2. The estimation of error in rectangular lattices
  3. Stem eelworm and clover
  4. Oats and varietal susceptibility to stem eelworm infestation
  5. The Absorption of Ions by Excised Root Systems I Apparatus and preliminary experiments
  6. The influence of photoperiod and temperature on the induction of diapause in Diataraxia oleracea L.(Lepidoptera)
  7. Two species of Aphelenchoides associated with strawberry bud disease in Britain
  8. Buried Bag Technique for Testing D-D as a Soil Fumigant against the Potato-root Eelworm
  9. 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
  10. Investigations on the Emergence of Larvae from Cysts of the Potato-Root Eelworm Heterodera rostochiensis 2. The Form of the Hatching Curve
  11. A study of phage-resistant mutants of Rhizobium trifolii
  12. Interpreting relationships between the concentrations of plant viruses and numbers of local lesions
  13. Restoration of the ability of some heated antisera to flocculate specifically their antigens
  14. Use of Antisera to identify Nodule produced by the Inoculation of Legumes in the Field
  15. Electron micrographs of spores of some British gasteromycetes
  16. An electron-microscope study of potato virus X in different states of aggregation
  17. Methods of applying fertilizer to potatoes planted by machines
  18. Studies on two aphid‐transmitted viruses of leguminous crops
  19. The influence of the bacterial environment on the excystment of amoebae from soil
  20. Studies on the storage of potatoes. III. The composition of the atmosphere in a potato clamp
  21. Studies on the storage of potatoes II. The temperature conditions inside potato clamps
  22. Restricted randomization and quasi-Latin squares
  23. Statistical analysis of results for successive tests on the same organism
  24. The planning of probit assays
  25. The estimation of free iron oxides in soils and clays and their removal
  26. The spread of virus diseases to single potato plants by winged aphids
  27. Roguing potato crops for virus diseases
  28. The microclimate of the potato crop
  29. The correlation of aphid numbers with the spread of leaf roll and rugose mosaic in potato crops
  30. The effect of potassium on crop yield
  31. Maincrop potato growing in England and Wales
  32. Some observations on the oxidation of soil organic matter in the presence of alkali
  33. Amino-acids in soil
  34. The amino-acid composition of the protein material in soil
  35. Field trials II: the analysis of covariance
  36. Some observation on gleying
  37. A study of enzymes that can break down tobacco-leaf components. 1. Digestive juice of Helix on leaf fibre
  38. Sampling Theory of the Negative Binomial and Logarithmic Series Distributions
  39. Synchronous movement of Aphis fabae Scop.(Hem., Aphididae)
  40. The isolation from normal tobacco leaves of nucleoprotein with some similarity to plant viruses
  41. The formation of nitrates in soil following various crop rotations
  42. The identity of the Swede Midge, with notes on its biology
  43. The nature of precipitated calcium phosphates
  44. Weather and Food - Centenary symposium on meteorology and the community
  45. Diversity as a measurable character of an animal or plant population
  46. Phase coloration in larvae of Lepidoptera
  47. The application of the logarithmic series to the frequency of occurrence of plant species in quadrats
  48. Committee on nutrition problems in forest nurseries: summary report on 1949 experiments
  49. Close cereal cropping. Effect of cultural treatments of wheat on eyespot, lodging, take-all and weeds
  50. 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
  51. Some factors affecting the activation of virus preparations made from tobacco leaves infected with a tobacco necrosis virus
  52. Some effects of host-plant nutrition on the multiplication of viruses
  53. Some effects of host nutrition on the susceptibility of plants to infection by certain viruses
  54. The mechanical transmission and some properties of potato paracrinkle virus
  55. Some effects of freezing in the leaf, and of citrate in vitro, on the infectivity of a tobacco necrosis virus
  56. Recent applications of biometrical methods in genetics. 1. Experimental techniques in plant improvement
  57. The water balance of the Stour catchment area
  58. Evaporation over the British Isles
  59. The diffusion of moisture through flax seed
  60. A new design of microsyringe tip for the instrumental insemination of queen honey-bees
  61. Agriculture, sampling and operational research
  62. 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
  63. 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
  64. Infestation of a bean field by aphis fabae scop. in relation to wind direction
  65. The comparison of suction trap, sticky trap and tow-net for the quantitative sampling of small airborne insects
  66. A suction trap for small airborne insects which automatically segregates the catch into successive hourly samples