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