1. Utilization of nitrogen by Ophiobolus graminis
  2. 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
  3. The cultivation of malting barley in England.
  4. The detection of linkage
  5. The Little Hoos field experiment on the residual values of certain manures
  6. The structure of 'ineffective'nodules and its influence on nitrogen fixation
  7. The minerals in the clay fractions of a black cotton soil and a red earth from Hyderabad, Deccan State, India
  8. Weather and crops
  9. Field trials: their lay-out and statistical analysis
  10. The growth of nodule bacteria in the expressed juices from legume roots bearing effective and ineffective nodules
  11. Evidence against the hypothesis that certain plant viruses are transmitted mechanically by aphides
  12. Studies on the transmission of sugar-beet yellows virus by the aphis, Myzus persicae (Sulz.)
  13. Gall midges and grass seed production
  14. Studies of fluctuations in insect populations VII The Button Top Midge (Rhabdophaga heterobia) at Syston, 1934-39
  15. Meta slug control: experiments on possible substitutes for bran
  16. The gall midges attacking the seed-heads of Cocksfoot, Dactylis glomerata, L
  17. Two new pests of apple and black currant
  18. The ecology of activated sludge in relation to its properties and the isolation of a specific soluble substance from the purified effluent
  19. The biology of the Chrysanthemum midge in England
  20. 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
  21. The numbers of insects caught in a light trap at Rothamsted during four years 1933–1937
  22. A note on the statistical analysis of sentence-length as a criterion of literary style
  23. Manuring Hevea III Results on young buddings in British Malaya
  24. The growth and anatomical structure of the carrot (Davcus carota) as affected by boron deficiency
  25. The estimation of the yields of cereal experiments by sampling for the ratio of grain to total produce
  26. The inactivation of some plant viruses by urea
  27. The effects of alkali and some simple organic substances on three plant viruses
  28. The recovery of inter‐block information in balanced incomplete block designs
  29. Modern experimental design and its function in plant selection
  30. Lattice squares
  31. Meteorological and soil factors affecting evaporation from fallow soil
  32. Gas and vapour movements in the soil: II. The diffusion of carbon dioxide through porous solids
  33. Gas and vapour movements in the soil: I. The diffusion of vapours through porous solids
  34. The choice of drinking water by the honeybee
  35. The maintenance of high atmospheric humidities for entomological work with glycerol-water mixtures