1952

  1. The ecological approach to cocoa disease and health
  2. Capsids: a review of current knowledge
  3. The bed-bug
  4. The role of population level, flight periodicity and climate in the dispersal of aphids
  5. Sub-committee on nutrition problems in forest nurseries Summary Report on 1951 experiments
  6. Rothamsted Chemistry Department 1951
  7. New evidence of communication in the honeybee colony
  8. Report of the Bee Department 1951
  9. Nuclear division in nine species of small free-living amoebae and its bearing on the classification of the order Amoebida
  10. The relation between the foraging range of honeybees and their honey production
  11. The physiological basis of variation in yield
  12. The preferences of honeybees for solutions of various sugars which occur in nectar
  13. An investigation of the sugars present in the nectar of flowers of various species
  14. The influence of variations in the supply of carbohydrate on the process of nectar secretion
  15. Enrichment and isolation of anaerobic cellulolytic soil bacteria
  16. A Comparison of a Direct- and a Plate-counting Technique for the Quantitative Estimation of Soil Micro-organisms
  17. Soil colloids
  18. A Study of Rock Weathering with Reference to the Soils of the Malvern Hills II Weathering of appinite and Ivy Scar Rocks
  19. A Study of Rock Weathering with Reference to the Soils of the Malvern Hills I Weathering of Biotite and Granite
  20. The determination of glucosamine by alkaline decomposition
  21. The technique of differential thermal analysis (DTA) I The quantitative aspect
  22. Control of plant nematodes
  23. The Eelworm problem - Biological aspects - Plant eelworms of the genus Heterodera
  24. Pot tests of nematicides against potato-root eelworm I Pilot test and methods
  25. Toxicity Tests with Vinegar Eelworm. I. Counting and Gulturing
  26. An improved laboratory apparatus for applying direct sprays and surface films, with data on the electrostatic charge on atomized spray fluids
  27. The construction of balanced designs for experiments involving sequences of treatments
  28. Factors affecting the survival of Plasmodiophora brassicae Wor. in the soil and its assessment by a host test
  29. Minimum phosphate and magnesium requirements of nitrifying bacteria
  30. Some organic substances and the nitrifying bacteria
  31. Soil fauna investigations
  32. The problem of the estimation of the insecticidal activity of pyrethrum by biological and chemical methods
  33. Effect of Ultra-Violet Radiation on the Respiration-Rates of Tobacco Leaves and its Reversal by Visible Light
  34. The relation of water absorption by wheat seeds to water potential
  35. The relation of germination of wheat to water potential
  36. Some problems of polymorphisms in insects
  37. Water and plant growth
  38. American fertiliser practice and problems
  39. Chemical composition of a sample of mycelium of Penicillium griseofulvum Dierckx
  40. Proceedings of international nematology symposium and training course, Rothamsted Experimental Station, 3-14 September 1951
  41. Some effects of high temperature on the susceptibility of plants to infection with viruses
  42. Some factors affecting the transmission of leaf‐roll virus by aphids
  43. The origin of the odours by which honeybees distinguish their companions
  44. Hydrogen peroxide formation in oxidations catalysed by plant α-hydroxyacid oxidase
  45. The oxidation of amines by extracts of pea seedlings
  46. The oxidation of manganese by enzyme systems
  47. Irreversible dehydration in montmorillonite
  48. A test for montmorillonite
  49. A New Approach to the Problems of the Spread of Aphids and to Insect Trapping
  50. An improved method of separating eelworm cysts from debris
  51. Presidential Address - fungus spores
  52. Spore Content of the Atmosphere Near the Ground
  53. The Fitting of Grouped Truncated and Grouped Censored Normal Distributions
  54. Rotylenchus coheni n.sp. (Nematoda: Tylenchida) parasitic on the roots of Hippeastrum sp
  55. Tylenchorhynchus tessellatus n.sp. (Nematoda : Tylenchida)
  56. Eelworm galls mistaken for ergot in flowers of Canadian grasses
  57. Investigations into the host ranges of Ditylenchus destructor and D. dipsaci
  58. The influence of the host on the dimensions of the plant parasitic nematode, Ditylenchus destructor
  59. The Absorption of Ions by Excised Root Systems III Observations on roots of pea plants grown in solutions deficient in phosphorus, nitrogen or potassium
  60. Control of virus yellows in sugar beet seed crops
  61. Possible role of basidiospores as air-borne allergens
  62. A disease of Scabiosa caucasica caused by the nematode Aphelenchoides blaslophthorus n.sp
  63. The Estimation of the Cyst Contents of the Potato-root Eelworm H. rostochiensis
  64. The bio‐assay of potato‐root diffusate
  65. Effect of Specific Polysaccharides from the Host Bacteria and of Ribonuclease on the Multiplication of Rhizobium Phages
  66. Food transmission within the honeybee community
  67. Chromatographic separation of the pyrethrins
  68. Division of labour in the honeybee community
  69. Recent Trends in Fertilizer Practice in England and Wales. Part I. The National Position
  70. Recent Trends in Fertilizer Practice in England and Wales. Part II. The Use of Fertilizers on Cereals, Root Crops and Grassland
  71. Some morphological features associated with poor soil drainage
  72. Analysis of factorial arrangements when the data are proportions
  73. The analysis of lattice designs when a variety is missing
  74. A table of Abbott's correction for natural mortality
  75. Some statistical aspects of anthropometry
  76. Organic derivatives of montmorillonite
  77. Organic derivatives of montmorillonite
  78. Hydrous micas
  79. Stem eelworm attacking carrots
  80. The influence of planting date and manuring on the incidence of virus diseases in potato crops
  81. The effect of seed-rate on yield of cereals
  82. The place of statistics in field experiments
  83. Possibilities of marginal land reclamation. Some results of a survey in England and Wales
  84. Rothamsted experiments on field beans 1. Manuring and cultivation of field beans
  85. The nature of soil-nitrogen complexes
  86. Translocation of Iron in Podzol Formation
  87. The distribution of iron and aluminium oxides in gley soils
  88. Symbiotic adaptation in local strains of red clover and nodule bacteria
  89. Studies on the Physiology of Nodule Formation: III. Experiments on the Excision of Root-tips and Nodules
  90. Host factors influencing infection and nodule development in leguminous plants
  91. Acute die-back of clove trees in the Zanzibar Protectorate
  92. A discussion on symbiosis involving micro-organisms : Introduction. The symbiosis between Rhizobium and leguminous plants and the influence on this of the bacterial strain
  93. A discussion on symbiosis involving microorganisms
  94. Arid zone research
  95. The fractionation and enzymic breakdown of some phosphorus compounds in leaf tissue
  96. Basic research into contraception
  97. Studies on the aphid transmission of a strain of henbane mosaic virus
  98. A Collaborative Investigation into Methods of Chemical Analysis of Ground Pyrethrum Flowers
  99. The Number of oocytes in ovarian fragments after compensatory hypertrophy
  100. Soluble and Available Nitrogen in Manurial Composts
  101. Changes in the Distribution of Nitrogen during the Composting of Straw
  102. The gall midges of St. John's Wort (Hypericum spp.), with descriptions of two new species
  103. Studies of fluctuations in insect populations XII Further evidence of prolonged larval life in the wheat-blossom midges
  104. 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
  105. An analysis of captures of hemerobiidae am) chryso-pidae in suction traps at Rothamsted, July, 1949
  106. Work in progress at Rothamsted
  107. The characteristics of soil. A review of some recent developments
  108. Modern developments in soil science
  109. Some bioclimatic observations in the Egyptian desert
  110. Sequences of wet and of dry days considered in relation to the logarithmic series
  111. The relative values of alternative liming materials
  112. Committee on nutrition problems in forest nurseries: summary report on 1951 experiments
  113. Experiments on the manuring of peas
  114. Sub-committee on nutrition problems in forest nurseries Summary Report on 1950 experiments
  115. The action of the proventriculus of the worker honeybee, Apis mellifera L
  116. Rothamsted experiments on field beans. Part II. Disease studies on field beans
  117. Ultraviolet injury to higher plants counteracted by visible light
  118. The nature and behaviour of inhibitors of plant viruses produced by Trichothecium roseum link
  119. Principles governing the amount of experimentation in developmental work
  120. George Udny Yule 1871-1951 : Obituary Notices
  121. Analise de uma experincia de rotacao
  122. The physical bases of irrigation control
  123. Experiments on irrigation of sugar beet
  124. The behaviour of worker honeybees at the hive entrance
  125. An automatic volumetric spore trap
  126. The changing numbers of aphis fabae scop., flying at crop level, in relation to current weather and to the population on the crop
  127. The effect of aphis fabae scop. on the growth and yield of field beans in a garden plot