1950

  1. Restricted randomization and quasi-Latin squares
  2. Statistical analysis of results for successive tests on the same organism
  3. The planning of probit assays
  4. The estimation of free iron oxides in soils and clays and their removal
  5. The spread of virus diseases to single potato plants by winged aphids
  6. Roguing potato crops for virus diseases
  7. The microclimate of the potato crop
  8. The correlation of aphid numbers with the spread of leaf roll and rugose mosaic in potato crops
  9. The effect of potassium on crop yield
  10. Maincrop potato growing in England and Wales
  11. Some observations on the oxidation of soil organic matter in the presence of alkali
  12. Amino-acids in soil
  13. The amino-acid composition of the protein material in soil
  14. Field trials II: the analysis of covariance
  15. Some observation on gleying
  16. A study of enzymes that can break down tobacco-leaf components. 1. Digestive juice of Helix on leaf fibre
  17. Sampling Theory of the Negative Binomial and Logarithmic Series Distributions
  18. Synchronous movement of Aphis fabae Scop.(Hem., Aphididae)
  19. The isolation from normal tobacco leaves of nucleoprotein with some similarity to plant viruses
  20. The formation of nitrates in soil following various crop rotations
  21. The identity of the Swede Midge, with notes on its biology
  22. The nature of precipitated calcium phosphates
  23. Weather and Food - Centenary symposium on meteorology and the community
  24. Diversity as a measurable character of an animal or plant population
  25. Phase coloration in larvae of Lepidoptera
  26. The application of the logarithmic series to the frequency of occurrence of plant species in quadrats
  27. Committee on nutrition problems in forest nurseries: summary report on 1949 experiments
  28. Close cereal cropping. Effect of cultural treatments of wheat on eyespot, lodging, take-all and weeds
  29. 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
  30. Some factors affecting the activation of virus preparations made from tobacco leaves infected with a tobacco necrosis virus
  31. Some effects of host-plant nutrition on the multiplication of viruses
  32. Some effects of host nutrition on the susceptibility of plants to infection by certain viruses
  33. The mechanical transmission and some properties of potato paracrinkle virus
  34. Some effects of freezing in the leaf, and of citrate in vitro, on the infectivity of a tobacco necrosis virus
  35. Recent applications of biometrical methods in genetics. 1. Experimental techniques in plant improvement
  36. The water balance of the Stour catchment area
  37. Evaporation over the British Isles
  38. The diffusion of moisture through flax seed
  39. A new design of microsyringe tip for the instrumental insemination of queen honey-bees
  40. Agriculture, sampling and operational research
  41. 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
  42. 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
  43. Infestation of a bean field by aphis fabae scop. in relation to wind direction
  44. The comparison of suction trap, sticky trap and tow-net for the quantitative sampling of small airborne insects
  45. A suction trap for small airborne insects which automatically segregates the catch into successive hourly samples