1949

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