1931

  1. Fungus Diseases in Crops at Rothamsted and Woburn. Observations on Fungous Diseases in Crops on Experimental Plots at Rothamsted and Woburn May-September 1930 (Take-all, Gaeumannomyces graminis var. tritici)
  2. Rothamsted Conference RC No 10 : The Growth of Cheaper Winter Food for Livestock
  3. Virus diseases of plants
  4. Studies in Sampling Technique - Cereal Experiments II A Small-Scale Threshing and Winnowing Machine
  5. The feeding of Britain
  6. The Changing Outlook in Agriculture
  7. The biological decomposition of plant materials V Some factors determining the quantity of nitrogen immobilised during decomposition
  8. The use of hydrogen peroxide for estimating humification
  9. The Influence of the Proximity of a Solid Wall on the Consistency of Viscous and Plastic Materials III
  10. The isolation of single bacterial cells
  11. The influence of environmental conditions on the development of the angular leaf-spot disease of Cotton. III The Influence Of Air Temperature On Infection
  12. An improved method of maintaining constant humidity in closed chambers
  13. Pyrethrum Flowers - A Quantitative Study Of Their Development
  14. The Evaluation of Pyrethrum Flowers (Chrysanthemum Cinerariaefolium)
  15. Studies on the gums II Tragacanthin—the soluble constituent of gum tragacanth
  16. The Biological Decomposition OF Plant Materials IV The Biochemical Activities on Straws of Some Cellulose‐Decomposing Fungi
  17. The biological decomposition of plant materials IV The effect of hydrogen ion concentration on the rate of immobilisation of nitrogen by straw
  18. On the so-called olfactory pores in the Honey Bee Apis mellifera
  19. Distribution of agar-liquefying bacteria
  20. Possibilities of an international system for the classification of soils
  21. The use of sodium hypobromite for the oxidation of organic matter in the mechanical analysis of soils
  22. On the Structure of the Immature Stages of the Frit Fly (Oscinella Frit Linn.)
  23. Pasteurised and Raw Milk
  24. Coagulation
  25. Some physico-chemical properties of clays. I. Base exchange or ionic exchange
  26. Some physico-chemical properties of clays: II. Hydrogen clay
  27. The Effects of Summer Green Manures on the ammonia and Nitrate Contents of soils Cropped for Winter Wheat. An Examination of the Woburn Green Manure Plots
  28. The biological oxidation of carbohydrate solutions: Part I. The oxidation of sucrose and ammonia in sectional percolating filters
  29. A Comparison of two Agar Media for Counting Soil Micro-Organisms
  30. The Microbiology of Farmyard Manure Decomposition in Soil I. Changes in the Microflora, and their Relation to Nitrification
  31. Biological control II Noxious weeds
  32. Biological control I Insect pests
  33. Recent research on the wing-venation of insects
  34. The efficiency of the correlation coefficient for estimating linkage intensities
  35. The electrical conductivity of aqueous soil suspensions as a measure of soil fertility
  36. Extracts of pyrethrum: permanence of toxicity and stability of emulsions
  37. Calcium and Hydrogen ion Concentration and the Interfacial Tension of Pyrethrum Extracts (With Four Text-figures)
  38. The Influence of Manurial Treatment on the Baking Quality of English Wheat. I. A Quality Study of the Rothamsted Broadbalk Wheats
  39. Studies in Sampling Technique: Cereal Experiments. III. Results and Discussion
  40. Studies in Sampling Technique: Cereal Experiments. I. Field Technique
  41. Nitrite formation by soil bacteria, other than Nitrosomonas
  42. The Physiology of Virus Diseases in Plants: II. Further Studies on the movement of mosaic in the Tomato Plant
  43. The Formation Of Intracellular Inclusions In Solanaceous Hosts Infected With Aucuba Mosaic Of Tomato
  44. Biological races in fungi and their significance in evolution
  45. Science of the year - 1931 The biological sciences
  46. LXXIV. On the anomalous flow of a strong solution of lithium chloride through narrow glass tubes
  47. The cultivation and inoculation of lucerne
  48. Studies on soil reaction VII An electrodialysis apparatus for the determination of replaceable bases in soils
  49. The biological filtration of dilute sucrose solutions
  50. The liberation of elementary nitrogen by bacteria
  51. Observations on gall midges affecting fruit trees
  52. The sex ratio at the time of emergence and the occurrence of unisexual families in the gall midges (Cecidomyidae, Diptera)
  53. Notes on the parasites of the cabbage aphid, Brevicoryne brassicae L
  54. Gall midges (Cecidomyidae) whose larvae prevent seed production in grasses (Gramineae)
  55. A new predacious gall midge (Dipt., Cecidomyidae)
  56. Further results of an investigation into the resistance of basket willows to button gall formation
  57. Soils and fertilisers
  58. Studies on soil reaction VIII The influence of fertilisers and lime on the replaceable bases of a light acid soil after fifty years of continuous cropping with barley and wheat (An examination of the Stackyard Field Plots, Woburn Experimental Station) (With two text-figures)
  59. Winter leaching and the manurial value of green manures and crop residues for winter wheat
  60. Precision records in horticulture
  61. On the influence of soil temperature on the germination interval of crops
  62. Mathematical theorems involved in the analysis of variance
  63. The analysis of variance illustrated in its application to a complex agricultural experiment on sugar beet
  64. Notes on frequency-constants
  65. The mean and second moment coefficient of the multiple correlation coefficient, in samples from a normal population
  66. The soil
  67. XVII—The distribution of gene ratios for rare mutations
  68. The evolution of dominance