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  1. Symbiotic adaptation in local strains of red clover and nodule bacteria
  2. Studies on the Physiology of Nodule Formation: III. Experiments on the Excision of Root-tips and Nodules
  3. Host factors influencing infection and nodule development in leguminous plants
  4. Acute die-back of clove trees in the Zanzibar Protectorate
  5. A discussion on symbiosis involving micro-organisms : Introduction. The symbiosis between Rhizobium and leguminous plants and the influence on this of the bacterial strain
  6. A discussion on symbiosis involving microorganisms
  7. Arid zone research
  8. The fractionation and enzymic breakdown of some phosphorus compounds in leaf tissue
  9. Basic research into contraception
  10. Studies on the aphid transmission of a strain of henbane mosaic virus
  11. A Collaborative Investigation into Methods of Chemical Analysis of Ground Pyrethrum Flowers
  12. The Number of oocytes in ovarian fragments after compensatory hypertrophy
  13. Soluble and Available Nitrogen in Manurial Composts
  14. Changes in the Distribution of Nitrogen during the Composting of Straw
  15. The gall midges of St. John's Wort (Hypericum spp.), with descriptions of two new species
  16. Studies of fluctuations in insect populations XII Further evidence of prolonged larval life in the wheat-blossom midges
  17. Studies of fluctuations in insect populations XIII An improved method of ascertaining the correct date to sample when assessing larval infestations of the wheat-blossom midges
  18. An analysis of captures of hemerobiidae am) chryso-pidae in suction traps at Rothamsted, July, 1949
  19. Work in progress at Rothamsted
  20. The characteristics of soil. A review of some recent developments
  21. Modern developments in soil science
  22. Some bioclimatic observations in the Egyptian desert
  23. Sequences of wet and of dry days considered in relation to the logarithmic series
  24. The relative values of alternative liming materials
  25. Committee on nutrition problems in forest nurseries: summary report on 1951 experiments
  26. Experiments on the manuring of peas
  27. Sub-committee on nutrition problems in forest nurseries Summary Report on 1950 experiments
  28. The action of the proventriculus of the worker honeybee, Apis mellifera L
  29. Rothamsted experiments on field beans. Part II. Disease studies on field beans
  30. Ultraviolet injury to higher plants counteracted by visible light
  31. The nature and behaviour of inhibitors of plant viruses produced by Trichothecium roseum link
  32. Principles governing the amount of experimentation in developmental work
  33. George Udny Yule 1871-1951 : Obituary Notices
  34. Analise de uma experincia de rotacao
  35. The physical bases of irrigation control
  36. Experiments on irrigation of sugar beet
  37. The behaviour of worker honeybees at the hive entrance
  38. An automatic volumetric spore trap
  39. The changing numbers of aphis fabae scop., flying at crop level, in relation to current weather and to the population on the crop
  40. The effect of aphis fabae scop. on the growth and yield of field beans in a garden plot