1949

  1. Fertiliser placement
  2. Rothamsted field experiments
  3. The effects of plants and animals on soil fertility A review of Rothamsted work
  4. Report of the Bee Department 1948
  5. The effect of artificial fertilizers and dung on the numbers of amoebae in Rothamsted soils
  6. The relation between soil cultivation and crop yields
  7. The foraging method of individual honey-bees
  8. Laboratory experiments on the effect of DDT and BHC on certain aphidophagous insects and their hosts
  9. A technique for determining the stomach poison effect of insecticides used against leaf‐eating insects
  10. A Study of the Accuracy of Simple Methods for the Estimation of Egg Production and Mean Egg Weight
  11. Effect of pH on electric charges carried by clay particles
  12. Calculation of surface area of clays from measurements of negative adsorption
  13. The Relationship between Micro-organisms and Soil Aggregation
  14. The influence of humus on soil aggregation
  15. The influence of earthworms on soil aggregation
  16. Potato Root Eelworm
  17. Potato Root Eelworm, DD, and Soil Sterilization, III. Results for 1947
  18. Potato Root Eelworm Problem
  19. Influence of Kinetin, β-lndoleacetic Acid and Gibberellic Acid on Nuclease Activity of Bean (Phaseolis vulgaris) Hypocotyls
  20. Studies on the Toxicity of insecticide Films III Effect of relative Humidity on the Toxicity of Films
  21. Studies on the Toxicity of insecticide Films II Effect of Temperature on the Toxicity of DDT Films
  22. Studies on the Toxicity Of insecticide Films I Preliminary Investigations on concentration-time-mortality relation
  23. Relation between particles size and shape of insecticial suspensions and their contact toxicity I DDT suspensions against Tribolium Castaneum Hb.
  24. Relation between particles size and shape of insecticial suspensions and their contact toxicity II DDT and rotenone suspensions against Oryzaephilus surinamesis L. with some time-motality studies
  25. The competition between barley and certain weeds under controlled conditions III Competition with Agrostis Gigantea
  26. Isolation of Nitrosomonas from Rothamsted soil
  27. Mineralogical analysis of clays by X-rays
  28. Some notes on the recording and interpretation of X-ray diagrams of soil clays
  29. Conferencias pronunciadas por el Dr Douglas M.C. MacEwan sobre la estructura cristalina de los minérales arcillos.
  30. L'adsorption interlamellaire
  31. The effect of insecticides of the respiration of Oryzaephilus surinamensis - an attempt to compare the speeds of action of a number of DDT analogues
  32. The place of experimental investigations in the planning of resource utilization
  33. Meteorology in agriculture
  34. A necrotic disease of forced tulips caused by tobacco necrosis viruses
  35. The transmission of sugar‐beet yellows virus by mechanical inoculation
  36. Potato tubers freed from leaf-roll virus by heat
  37. The oxidation of manganese by plant extracts in the presence of hydrogen peroxide
  38. Studies on soil manganese
  39. Liming experiments on light land at Tunstall: II. Soil reaction and loss of lime
  40. Obituary Augustus Daniel Imms, 1880 - 1949
  41. Studies on Sclerotinia and Botrytis: II. De Bary's description and specimens of Peziza fuckeliana
  42. The operation of the puff-ball mechanism of lycoperdon perlatum by raindrops shown by ultra-high-speed schlieren cinematography
  43. The spatial distribution of insect‐borne plant‐virus diseases
  44. Death of sycamore trees associated with an unidentified fungus
  45. Tuber-rot eelworm of potato and its weed hosts
  46. The Control of Anguillulina dipsaci on the seed of Teazle and Red Clover by Fumigation with Methyl Bromide
  47. Photoperiodism and Diapause in Insects
  48. A study of violet root rot II Effect of substratum on survival of Helicobasidium purpureum colonies in the soil
  49. Liming Experiments on Light Land at Tunstall, Suffolk Pt 1 The agricultural aspects
  50. A Quick Method of Demonstrating Nematodes of the Genus Aphelenchoides in Leaves
  51. A cotton blue-lactophenol technique for mounting plant-parasitic nematodes
  52. Field trials with d‐d mixture against potato‐root eelworm
  53. Investigations on the Emergence of Larvae from Cysts of the Potato-root Eelworm Heterodera rostochiensis. I. Technique and Variability
  54. A quantitative study of complex formation in heated protein mixtures
  55. The transformation of local lesion counts for statistical analysis
  56. The morphology, cytology, and taxonomy of the actinomycetes
  57. Differentiation of the Vegetative and Sporogenous Phases of the Actinomycetes 4. The Partially Acid-fast Proactinomycetes
  58. Apparatus for fertilizer placement field work
  59. Recent developments in fertiliser placement
  60. Placement of fertilizers for row crops
  61. Placement of fertilizer for potatoes
  62. Fertilizer placement experiments
  63. The movement of tobacco mosaic viruses and potato virus x through tomato plants
  64. The design of experiments in egg production of poultry
  65. Routine Computation of Biological Assays Involving a Quantitative Response
  66. The movement and precipitation of iron oxides in podzol soils
  67. Studies of the clove tree I Sudden‐death disease and its epidemiology
  68. The interpretation of X-ray diagrams of soil clays. II. Structures with random interstratification.
  69. Overwintering of aphids, especially Myzus persicae (Sulzer), in root clamps
  70. The grouping and overwintering of Myzus persicae Sulz. on prunus species
  71. Factors affecting the activity of alatae of the aphids Myzus persicae (Sulzer) and Brevicoryne brassicae (L.)
  72. Alate aphids trapped in the British Isles, 1942–1947
  73. Experiments with leys and permanent grass
  74. The residual manurial value of feeding stuffs consumed on grass
  75. Use of the Van Slyke-Neil manometric apparatus for the determination of organic and inorganic carbon in soil and of organic carbon in soil extracts
  76. Studies on soil organic matter: Part I. The chemical nature of soil organic nitrogen
  77. Studies on soil organic matter: Part III. The extraction of organic carbon and nitrogen from soil
  78. Studies on soil organic matter: Part II. The extraction of organic matter from soil by neutral reagents
  79. Physiological Studies on Nodule Formation: II. The Influence of Delayed Inoculation on the Rate of Nodulation in Red clover
  80. Nuclear and cytoplasmic inheritance of resistance to infection by nodule bacteria in red clover
  81. The Statistical Analysis of Insect Counts Based on the Negative Binomial Distribution
  82. Yellowing disease of 'family 41' sugar beet
  83. Soils and fertilizers
  84. Improving soil productivity : temperate climates UN Conference on the Conservation and Utilization of Resources. Introductory paper prepared for Section Meetings : Land Resources 5a
  85. The part played by phosphorus in agriculture
  86. Rothamsted experiments on the use of salt for sugar beet
  87. Fertilizers in present-day agriculture
  88. Jaccard's generic coefficient and coefficient of floral community, in relation to the logarithmic series and the index of diversity
  89. Migration in lepidoptera and the problem of orientation
  90. Condition in fertilisers - Paper read before a meeting of the Fertiliser Society in London on 20th January 1949
  91. Committee on nutrition problems in forest nurseries: summary report on 1948 experiments
  92. Soil-fertility problems in tropical agriculture III Fertility problems
  93. Effect of previous crops on the incidence of eyespot on winter wheat
  94. The relative yields of different crops in terms of food and their responses to fertilizers
  95. The design of rotation experiments
  96. A portable thermistor bridge for micro-meteorology among growing crops
  97. A general survey of meteorology in agriculture and an account of the physics of irrigation control - discussion
  98. The dependence of transpiration on weather and soil conditions
  99. Bee behaviour
  100. Seasonal records in 1947 and 1948 of flying hemiptera-heteroptera, particularly lygus pratensis l., caught in nets 50 ft. To 3,000 ft. above the ground