1951

  1. Nuclear division in amoebae and its bearing on classification
  2. The flight range of the honey-bee
  3. Surface properties of calcium phosphates
  4. A Method for Distinguishing Between Viable Spores and Mycelial Fragments of Actinomycetes in Soils
  5. Some chloritic clay minerals of unusual type
  6. Some experiments and field observations on the germination of wild oat (Avena fatua and Avena ludoviciana) seeds in soil and the emergence of seedlings
  7. A comparison of the growth of wild and of cultivated oats in manganese-deficient soil
  8. Cellulase and chitinase of earthworms
  9. The term Eelworm-free soil in plant quarantine regulations
  10. Change‐over trials
  11. Particles size of insecticial suspensions and their contact toxicity III Temperature coefficients and tests by injection
  12. Particles size of insecticial suspensions and their contact toxicity IV Mechanisms of action of different-sized particles
  13. The effect of manures on the bolting of the beet plant
  14. Myxobacteria Mistaken for Nitrifying Bacteria
  15. The effects of glucose on impure cultures of nitrifying bacteria
  16. Notes on the soils of Syria
  17. Studies on the mechanism of insecticidal action of organo-phosphorus comounds with particular reference to their antiesterase activity
  18. The Prey of Some Tree Trunk Frequenting Empididae and Dolichopodidae (Dipt.).
  19. On Two Neglected Type Designations in the Genus Hydrobaenus Fries, 1830 (Dipt., Chironomidae)
  20. Contributions to Mathematical Statistics
  21. Crop prediction in England
  22. The water balance of catchment areas
  23. Experimental agriculture
  24. Experimental agriculture
  25. Myxobacteria in soils. use of rabbit dung pellets to detect myxobacteria in soils
  26. The action of peroxidase systems on ferrocyanide, molybdate, tungstate and vanadate
  27. The study of wind-borne insect populations in relation to terrestrial ecology, flight periodicity and the estimation of aerial populations
  28. A study of various fractions of the manganese of neutral and alkaline organic soils
  29. A soil survey on Warpland in Yorkshire
  30. The influence of nosema apis on the larval honeybee
  31. Deposition of air-borne Lycopodium spores on cylinders
  32. Cryptostroma corticale and sooty bark disease of sycamore (Acer pseudoplatanus)
  33. A general technique for the analysis of experiments with incorrectly treated plots
  34. The expected frequencies in a sample of an animal population in which the abundances of species are log-normally distributed. Part I
  35. Stem Eelworm Attack on Seedlings of Vetches, Vicia villosa Roth, and Vicia sativa L.
  36. A secondary piliferous layer on the roots of Hippeastrum
  37. The potato tuber nematode Ditylenchus destructor Thorne 1945 - the cause of eelworm disease in the bulbous iris
  38. Observations on the attack by the stem eelworm, Ditylenchus dipsaci, on strawberry
  39. A new species of Hyphomycete attacking the stem Eelworm Ditylenchus dipsaci
  40. The “Hemizonid,” a Hitherto Unrecorded Structure in Members of the Tylenchoidea
  41. The Absorption of Ions by Excised Root Systems II Observations on roots of barley grown in solutions deficient in phosphorus, nitrogen or potassium
  42. The selection and rearing of leaf-eating insects for use as test subjects in the study of insecticides
  43. Further Studies on the Identification of Heterodera Species by Larval Length. Estimation of the Length Parameters for Eight Species and Varieties
  44. On the Varying Nematicidal Effects of Different Samples of DD against the Potato-root Eelworm Heterodera rostochiensis
  45. The effect of temperature on the development of the potato‐root eelworm, heterodera rostochiensis
  46. A new modification of the McMaster slide for use in potato-root eelworm investigations
  47. Investigations on the Emergence of Larvae from the Cysts of the Potato-root Eel worm, Heterodera rostochiensis 5 A Shortened Method for the Conduct of Hatching Tests.
  48. Investigations on the Emergence of Larvae from the Cysts of the Potato-root Eelworm, Heterodera rostochiensis.: 4. Physical Conditions and their Influence on Larval Emergence in the Laboratory.
  49. The Use of a Microbalance in Putting up Uniformly Sized Batches of Heterodera Cysts for Experiment.
  50. A rapid method for estimating the density of white cysts of Heterodera rostochiensis on potato roots
  51. Insecticidal activity of the pyrethrins and related compounds
  52. Diurnal variation in the aerial density of Aphididae
  53. The ability of single phage particles to form plaques and to multiply in liquid cultures
  54. Fixation of phosphate during the acid extraction of soils
  55. How to apply fertilizers for sugar beet
  56. The mechanical application of fertilizers in field experiments
  57. Fertilizer placement machinery
  58. Placement of fertilizers for sugar beet
  59. The effect of soil calcium on the mineral content of wheat
  60. Latin rectangle designs for 2n factorial experiments on 32 plots
  61. The spread of lettuce mosaic in the field
  62. Lettuce mosaic in the field
  63. The influence of heat on some aphids
  64. Experiments on the colonization of potato plants by apterous and by alate aphids in relation to the spread of virus diseases
  65. Aphid excretion
  66. Economic and statistical aspects of vegetable an animal foods
  67. A review of recent work on soil organic matter part I
  68. Paper chromatography of amines
  69. Alkaline Decomposition of Amino-acids
  70. Experiments on the mechanism of gley formation.
  71. The influence of density of plant population on the incidence of yellows in sugar‐beet crops
  72. Colour reactions between clay minerals and root secretions
  73. An improved suction trap for insects
  74. The clear representation of very small masses
  75. Beet yellows virus
  76. The spread of beet yellows and beet mosaic viruses in the sugar-beet root crop. I. Field observations of the virus diseases of sugar beet and their vectors Myzus persicae Sulz. and Aphis fabae Koch
  77. The effect of infection with beet yellows and beet mosaic viruses on the carbohydrate content of sugar-beet leaves, and on translocation
  78. The behaviour of nitrogenous manures in the soil Part I. The loss of manurial nitrogen
  79. A new gall midge (Dipt., Cecidomyidae) predaceous on the Flour Mite, Tyroglyphus farinae (Deg.)
  80. Marking and breeding Testacella slugs
  81. Syrphidae as pests of cucumbers
  82. What is balanced manuring?
  83. Some aspects of the United Nations conference on the conservation of natural resources
  84. Comparing the efficiency of insect traps
  85. Effect of moonlight on insect activity
  86. Changes in insect populations in the field in relation to preceding weather conditions
  87. A note on the relative sizes of genera in the classification of animals and plants
  88. Seasonal changes in flight direction of migrant butterflies in the British Isles
  89. Intra-generic competition as illustrated by Moreau's records of East African bird communities
  90. Some interrelationships between manganese, molybdenum and vanadium in the nutrition of soybean, flax and oats
  91. Effects of cultural treatments on wheat and on the incidence of eyespot, lodging, take-all and weeds. Field Experiments 1945–8
  92. Some properties of broad-bean mottle virus
  93. Serologically related strains of potato virus y that are not mutually antagonistic in plants
  94. The application of electron microscopy to the study of plant viruses in unpurified plant extracts
  95. The survey of fertilizer practice. An example of operational research in agriculture
  96. Statistical methods in anthropology
  97. Quelques developpements modernes dans la planification des experiences
  98. The influence of statistical methods for research workers on the development of the science of statistics
  99. Bases logiques de la planification des experiences
  100. Some physical aspects of assimilation and transpiration
  101. The role of vegetation in meteorology, soil mechanics and hydrology
  102. Relationship of aphid density to altitude
  103. Evaporation over the British Isles
  104. The importance of perfume in the discovery of food by the worker honeybee (Apis-mellifera L)
  105. Aphids captured in a Rothamsted suction trap, 5 ft. above ground level, from June to November, 1947