1. The Absorption of Ions by Excised Root Systems III Observations on roots of pea plants grown in solutions deficient in phosphorus, nitrogen or potassium
  2. Control of virus yellows in sugar beet seed crops
  3. Possible role of basidiospores as air-borne allergens
  4. A disease of Scabiosa caucasica caused by the nematode Aphelenchoides blaslophthorus n.sp
  5. The Estimation of the Cyst Contents of the Potato-root Eelworm H. rostochiensis
  6. The bio‐assay of potato‐root diffusate
  7. Effect of Specific Polysaccharides from the Host Bacteria and of Ribonuclease on the Multiplication of Rhizobium Phages
  8. Food transmission within the honeybee community
  9. Chromatographic separation of the pyrethrins
  10. Division of labour in the honeybee community
  11. Recent Trends in Fertilizer Practice in England and Wales. Part I. The National Position
  12. Recent Trends in Fertilizer Practice in England and Wales. Part II. The Use of Fertilizers on Cereals, Root Crops and Grassland
  13. Some morphological features associated with poor soil drainage
  14. Analysis of factorial arrangements when the data are proportions
  15. The analysis of lattice designs when a variety is missing
  16. A table of Abbott's correction for natural mortality
  17. Some statistical aspects of anthropometry
  18. Organic derivatives of montmorillonite
  19. Organic derivatives of montmorillonite
  20. Hydrous micas
  21. Stem eelworm attacking carrots
  22. The influence of planting date and manuring on the incidence of virus diseases in potato crops
  23. The effect of seed-rate on yield of cereals
  24. The place of statistics in field experiments
  25. Possibilities of marginal land reclamation. Some results of a survey in England and Wales
  26. Rothamsted experiments on field beans 1. Manuring and cultivation of field beans
  27. The nature of soil-nitrogen complexes
  28. Translocation of Iron in Podzol Formation
  29. The distribution of iron and aluminium oxides in gley soils
  30. Symbiotic adaptation in local strains of red clover and nodule bacteria
  31. Studies on the Physiology of Nodule Formation: III. Experiments on the Excision of Root-tips and Nodules
  32. Host factors influencing infection and nodule development in leguminous plants
  33. Acute die-back of clove trees in the Zanzibar Protectorate
  34. A discussion on symbiosis involving micro-organisms : Introduction. The symbiosis between Rhizobium and leguminous plants and the influence on this of the bacterial strain
  35. A discussion on symbiosis involving microorganisms
  36. Arid zone research
  37. The fractionation and enzymic breakdown of some phosphorus compounds in leaf tissue
  38. Basic research into contraception
  39. Studies on the aphid transmission of a strain of henbane mosaic virus
  40. A Collaborative Investigation into Methods of Chemical Analysis of Ground Pyrethrum Flowers
  41. The Number of oocytes in ovarian fragments after compensatory hypertrophy
  42. Soluble and Available Nitrogen in Manurial Composts
  43. Changes in the Distribution of Nitrogen during the Composting of Straw
  44. The gall midges of St. John's Wort (Hypericum spp.), with descriptions of two new species
  45. Studies of fluctuations in insect populations XII Further evidence of prolonged larval life in the wheat-blossom midges
  46. 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
  47. An analysis of captures of hemerobiidae am) chryso-pidae in suction traps at Rothamsted, July, 1949
  48. Work in progress at Rothamsted
  49. The characteristics of soil. A review of some recent developments
  50. Modern developments in soil science
  51. Some bioclimatic observations in the Egyptian desert
  52. Sequences of wet and of dry days considered in relation to the logarithmic series
  53. The relative values of alternative liming materials
  54. Committee on nutrition problems in forest nurseries: summary report on 1951 experiments
  55. Experiments on the manuring of peas
  56. Sub-committee on nutrition problems in forest nurseries Summary Report on 1950 experiments
  57. The action of the proventriculus of the worker honeybee, Apis mellifera L
  58. Rothamsted experiments on field beans. Part II. Disease studies on field beans
  59. Ultraviolet injury to higher plants counteracted by visible light
  60. The nature and behaviour of inhibitors of plant viruses produced by Trichothecium roseum link
  61. Principles governing the amount of experimentation in developmental work
  62. George Udny Yule 1871-1951 : Obituary Notices
  63. Analise de uma experincia de rotacao
  64. The physical bases of irrigation control
  65. Experiments on irrigation of sugar beet
  66. The behaviour of worker honeybees at the hive entrance
  67. An automatic volumetric spore trap
  68. The changing numbers of aphis fabae scop., flying at crop level, in relation to current weather and to the population on the crop
  69. The effect of aphis fabae scop. on the growth and yield of field beans in a garden plot