1930

  1. Statistical Studies of the Analytical Data Accumulated in the Course of the Barley Investigations - I The prediction of extract
  2. The nitrogen content and quality of barley
  3. Fourth Report on Barley Proteins - the proteins of barley during development and storage and in the mature grain
  4. Rothamsted Conference RC No 9 : The Hertfordshire Agricultrual Situation can it be improved?
  5. Rothamsted Conference RC No 8: Recent changes in systems of husbandy in Engand
  6. Virus Diseases In Plants I Translocation within the plant. II. The amoeboid intracellular inclusions
  7. Intracellular inclusions in mosaic of Solanum nodiflorum
  8. Agricultural developments in South Africa
  9. The Colorimetric Determination of Phosphoric Acid in Hydrochloric Acid and Citric Acid Extracts of Soils
  10. The influence of environmental conditions on the development of the angular leaf-spot disease of Cotton. II. The influence of soil temperature on primary and secondary infection of seedlings
  11. Thionin and orange G for the differential staining of bacteria and fungi in plant tissues
  12. Angular leaf-spot disease of cotton
  13. Apparatus for the growing of plants in a controlled environment
  14. Studies on the carbon and nitrogen cycles in the soil. I. Introductory
  15. The relation between the numbers of a soil bacterium and the ammonia produced by it in peptone solutions with some reference to the effect on this process of the presence of amoebae
  16. On the causes of swarming in the honey bee (Apis Millifera L.) an examination of the brood food theory
  17. The biological decomposition of plant materials III Physiological studies on some cellulose-decomposting fungi
  18. Soil surveys and their utilization
  19. Studies on the carbon and nitrogen cycles in the soil. III. The formation of natural humic matter
  20. Physiological studies in plant nutrition. II. The effect of manurial deficiency upon the mechanical strength of barley straw
  21. Dose-response relationships for infection of potato leaves by zoospores of Phytophthora infestans
  22. Studies in Crop Variation VII. The Influence of Rainfall on the Yield of Barley at Rothamsted
  23. Note on the phosphoric acid of barley grain
  24. Aerobic soil bacteria that decompose cellulose
  25. The determination of cellulose in straws
  26. Decomposition of Keratin by Soil Micro-Organisms (With One Text-figure.)
  27. Observations on some Parasites of Oscinella frit Linn Part 1
  28. The role of Thrips tabaci Lindeman in the transmission of virus diseases of Tomato
  29. Streak—a virus disease of tomatoes
  30. Studies of the physiological importance of the mineral elements in plants. I. The relation of potassium to the properties and functions of the leaf
  31. Notes on the culturing of insects for virus work
  32. The Availability of Phosphatic Fertilisers as shown by an Examination Soil Solution and of Plant Growth (With Two Text-figures.)
  33. Report of the Committee on soil reaction measurements Pt 1 Results of the comparative investigation on quinhydrone electrode method
  34. Studies in the physical properties of soil. V. The hysteresis effect in capillary properties, and the modes of moisture distribution associated therewith
  35. Studies in crop variation. VIII. An application of the resistance formula to potato data
  36. On the secular variation of rainfall at Rothamsted
  37. A note on the value of uniformity trials for subsequent experiments
  38. The Physiology of Virus Diseases in Plants I The movement of mosaic in the Tomato Plant
  39. A Note on the Dichotomous Branching of the Main Stem of the Tomato (Lycopersicum esculentum)
  40. Formation of streamers in sedimentation
  41. “Single Value” Soil Properties. A Study of the Significance of Certain Soil Constants. IV. A Further Note on the Technique of the “Box” Experiment
  42. Intracellular bodies in plant virus disease
  43. Studies in soil cultivation. V. Rotary cultivation
  44. Science of the year - 1930 The biological sciences
  45. The Rheology of Soil Pastes
  46. The Influence of the Proximity of a Solid Wall on the Consistency of Viscous and Plastic Materials
  47. A Further Study of the Influence of the Proximity of a Solid Wall on the Consistency of Viscous and Plastic Materials
  48. The influence of the host plant in inducing parasitism in lucerne and clover nodules
  49. The fluctuations of bacterial numbers and nitrate content of field soils
  50. The early development of the root nodule of lucerne (Medicago sativa, L.)
  51. Sulphur as a soil fungicide against the potato wart disease organism
  52. Increased Scion Vigour Induced by Certain Foreign Root-stocks
  53. On some Factors governing the Emergence of Gall Midges (Cecidomyidæ: Diptera)
  54. Gall midges (Cecidomyidae) as enemies of the Tingidae, Psyllidae, Aleyrodidae and Coccidae
  55. A new thrips-eating gall midge, Thripsobremia liothripis, gen. et. sp. n. (Cecidomyidae)
  56. On the biology of the gall-midges (Cecidomyidae) attacking meadow foxtail grass (Alopecurus Pratensis), including the description of one new species
  57. On the resistance of basket willows to button gall formation
  58. Studies on the carbon and nitrogen cycles in the soil II The extraction of the organic matter of the soil with alkali
  59. On the morphology of the larva of Darcus Parallelopipedus, L. (Copeoptera)
  60. Soils and fertilisers
  61. The relationship of climatic and gelogical factors to the composition of soil clay and the distribution of soil types
  62. The weed seed population of arable soil: I. Numerical estimation of viable seeds and observations on their natural dormancy
  63. On the frequency distribution of the means of samples from populations of certain Pearson's types
  64. The varying effect of lime on grassland with different schemes of manuring
  65. VII.—The correlation between product moments of any order in samples from a normal population
  66. Studies in crop variation VII. The influence of rainfall on the yield of barley at Rothamsted
  67. A method of estimating the yield of a missing plot in field experimental work
  68. The derivation of certain high order sampling product moments from a normal population
  69. The evolution of dominance in certain polymorphic species
  70. Moments and product moments of sampling distributions
  71. The moments of the distribution for normal samples of measures of departure from normality
  72. Biometry and evolution
  73. Mortality amongst plants and its bearing on natural selection
  74. Inverse probability
  75. The arrangement of field experiments and the statistical reduction of the results
  76. The general form of the orthogonal polynomials for simple series with proofs of their simple properties