1. Studies in the Physiology of Leaf Growth: I. The Effect of Various Accessory Growth Factors on the Growth of the first Leaf of isolated Stem Tips of Rye
  2. Sewage sludge and the market gardener
  3. Dry farming in India [Book Review]
  4. Photographic plates for use in the RCA electron microscope
  5. Plant-Growth Substances as Selective Weed-Killers: Inhibition of Plant Growth by 2:4-Dichlorophenoxyacetic Acid and other Plant-Growth Substances
  6. A factor in clover nodule formation associated with the volume of the medium occupied by the roots
  7. Effective and ineffective strains of legume nodule bacteria
  8. Ripening of the Onion Bulb and Infection by Botrytis Species
  9. Acid-producing mechanisms in minced leaves
  10. Virus yellows of sugar beet
  11. Soils and fertilizers
  12. Slugs in gardens: Their numbers, activities and distribution. Part 2
  13. Two new gall midges from Mauritius
  14. The competition between barley and certain weeds under controlled conditions
  15. Some aspects of the work at Rothamsted
  16. Balanced manuring
  17. Index of diversity as applied to ecological problems
  18. Occurrence of Vanessa Cardui (Lepidoptera) at sea off the West African coast
  19. Notes on the fat content of two british migrant moths (lepidoptera)
  20. Geographical variation in the wing length of Danaus Plexippus (Lep. Rhopalocera)
  21. Fertilizers during the war and after
  22. Agrochemistry
  23. Combine-drilling of phosphate fertilizers for cereals
  24. The effect of eyespot (Cercosporella herpotrichoides Fron.) on wheat and the influence of nitrogen on the disease
  25. The influence of periodic fallowing on the prevalence of viable weed seeds in arable soil
  26. Trace elements in relation to plant growth
  27. Winifred E Brenchley Obituary Notice
  28. The suppression of one plant virus by another
  29. The separation and properties of tobacco mosaic virus in different states of aggregation
  30. Protein precipitation and virus deactivation by extracts of strawberry plants
  31. Plant viruses and virus diseases
  32. Further studies on the purification and properties of a virus causing tobacco necrosis
  33. The influence of various physical and biological factors of the environment on honeybee activity - an examination of the relationship between activity and nectar concentration and abundance
  34. The incidence and distribution of some diseases of the adult honeybee (Apis-mellifera L) in England and Wales