1. The microbiological assay of vitamins: the estimate and its precision.
  2. A quantitative study of the interaction of bacteriophage with Rhizobium using the technique of poured plates
  3. The production of plaques by Rhizobium bacteriophage in poured plated and its value as a counting method
  4. The Reaction of Products of Initial Stages of Peptic Proteolysis of Human and Horse Serum Albumin with Antisera to the Original Albumins
  5. Specific precipitation of one protein by antiserum to another
  6. Conversion of non-precipitating and inhibiting protein complexes into forms again precipitable by the antisera to the original proteins
  7. 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
  8. Sewage sludge and the market gardener
  9. Dry farming in India [Book Review]
  10. Photographic plates for use in the RCA electron microscope
  11. Plant-Growth Substances as Selective Weed-Killers: Inhibition of Plant Growth by 2:4-Dichlorophenoxyacetic Acid and other Plant-Growth Substances
  12. A factor in clover nodule formation associated with the volume of the medium occupied by the roots
  13. Effective and ineffective strains of legume nodule bacteria
  14. Ripening of the Onion Bulb and Infection by Botrytis Species
  15. Acid-producing mechanisms in minced leaves
  16. Virus yellows of sugar beet
  17. Soils and fertilizers
  18. Slugs in gardens: Their numbers, activities and distribution. Part 2
  19. Two new gall midges from Mauritius
  20. The competition between barley and certain weeds under controlled conditions
  21. Some aspects of the work at Rothamsted
  22. Balanced manuring
  23. Index of diversity as applied to ecological problems
  24. Occurrence of Vanessa Cardui (Lepidoptera) at sea off the West African coast
  25. Notes on the fat content of two british migrant moths (lepidoptera)
  26. Geographical variation in the wing length of Danaus Plexippus (Lep. Rhopalocera)
  27. Fertilizers during the war and after
  28. Agrochemistry
  29. Combine-drilling of phosphate fertilizers for cereals
  30. The effect of eyespot (Cercosporella herpotrichoides Fron.) on wheat and the influence of nitrogen on the disease
  31. The influence of periodic fallowing on the prevalence of viable weed seeds in arable soil
  32. Trace elements in relation to plant growth
  33. Winifred E Brenchley Obituary Notice
  34. The suppression of one plant virus by another
  35. The separation and properties of tobacco mosaic virus in different states of aggregation
  36. Protein precipitation and virus deactivation by extracts of strawberry plants
  37. Plant viruses and virus diseases
  38. Further studies on the purification and properties of a virus causing tobacco necrosis
  39. 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
  40. The incidence and distribution of some diseases of the adult honeybee (Apis-mellifera L) in England and Wales