1. Rothamsted Experimental Station Harpenden Lawes Agricultural Trust Guide to the experimental farm
  2. Rothamsted Experimental Station Harpenden Field Experiments and Farm Operations 1939
  3. Some Fish-Poison Plants and Their Insecticidal Properties
  4. The determination of the size distribution of soil clods and crumbs
  5. Obituary Mr C H Turnor - 1940
  6. Obituary Professor Jan Wodek and Adam Rozanski - 1940
  7. Studies on the feeding methods and penetration rates of Myzus persicae Sulz., Myzus circumflexus Buckt., and Macrosiphum gei Koch
  8. Clay mineral structures and their physical significance
  9. Note on the freezing of soil
  10. A quantitative study of the interaction of viruses in plants
  11. The Insecticidal Properties of Certain Species of Annona and of an Indian Strain of Mundulea sericea (" Supli").
  12. The problem of the evaluation of rotenone-eontaining plants V The relative toxicities of different species of derris
  13. Aerobic denitrification
  14. Studies on the British White-flies (Homoptera, Aleyrodidae).
  15. Ophiobolus graminis Sacc. var. avenae var. N., as the cause of take all or whiteheads of oats in Wales
  16. Soil conditions and the Fusarium culmorum seedling blight of Wheat.
  17. The active principles of leguminous fish-poison plants. Part IV The isolation of malaccol from Derris malaccensis
  18. The active principles of leguminous fish-poison plants. Part V. Derris malaccensis and Tephrosia toxicaria
  19. Utilization of nitrogen by Ophiobolus graminis
  20. Soil conditions and the take-all disease of wheat V Further experiments on the survival of Ophiobolus graminis in infected wheat stubble buried in the soil
  21. The cultivation of malting barley in England.
  22. The detection of linkage
  23. The Little Hoos field experiment on the residual values of certain manures
  24. The structure of 'ineffective'nodules and its influence on nitrogen fixation
  25. The minerals in the clay fractions of a black cotton soil and a red earth from Hyderabad, Deccan State, India
  26. Weather and crops
  27. Field trials: their lay-out and statistical analysis
  28. The growth of nodule bacteria in the expressed juices from legume roots bearing effective and ineffective nodules
  29. Evidence against the hypothesis that certain plant viruses are transmitted mechanically by aphides
  30. Studies on the transmission of sugar-beet yellows virus by the aphis, Myzus persicae (Sulz.)
  31. Gall midges and grass seed production
  32. Studies of fluctuations in insect populations VII The Button Top Midge (Rhabdophaga heterobia) at Syston, 1934-39
  33. Meta slug control: experiments on possible substitutes for bran
  34. The gall midges attacking the seed-heads of Cocksfoot, Dactylis glomerata, L
  35. Two new pests of apple and black currant
  36. The ecology of activated sludge in relation to its properties and the isolation of a specific soluble substance from the purified effluent
  37. The biology of the Chrysanthemum midge in England
  38. An analysis of four years captures of insects in a light trap. Part II The effect of weather conditions on insect activity; and the estimation and forecasting of changes inthe insect population
  39. The numbers of insects caught in a light trap at Rothamsted during four years 1933–1937
  40. A note on the statistical analysis of sentence-length as a criterion of literary style
  41. Manuring Hevea III Results on young buddings in British Malaya
  42. The growth and anatomical structure of the carrot (Davcus carota) as affected by boron deficiency
  43. The estimation of the yields of cereal experiments by sampling for the ratio of grain to total produce
  44. The inactivation of some plant viruses by urea
  45. The effects of alkali and some simple organic substances on three plant viruses
  46. The recovery of inter‐block information in balanced incomplete block designs
  47. Modern experimental design and its function in plant selection
  48. Lattice squares
  49. Meteorological and soil factors affecting evaporation from fallow soil
  50. Gas and vapour movements in the soil: II. The diffusion of carbon dioxide through porous solids
  51. Gas and vapour movements in the soil: I. The diffusion of vapours through porous solids
  52. The choice of drinking water by the honeybee
  53. The maintenance of high atmospheric humidities for entomological work with glycerol-water mixtures