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