1. The selection of bacterial food by soil amoebae, and the toxic effects of bacterial pigments and other products on soil protozoa
  2. What are the minimum cultivations necessary for high farming?
  3. Rothamsted experiments on mangolds 1876-1940 III Causes of variation of yield
  4. Sulphonamides and American foul brood disease of bees
  5. Pedology
  6. A comparison of Fusarium avenaceum and Fusarium caeruleum as causes of wastage in stored potato tubers
  7. Chronic Pulmonary Disease in South Wales Coalminers. III. Experimental Studies. B. The Mineral Content of the Lungs of Workers from the South Wales Coalfield
  8. The use of abrasives in the transmission of plant viruses
  9. Statistics in biology
  10. The dispersion of air-borne spores
  11. The infected root‐hair count for estimating the activity of Plasmodiophora brassicae Woron. in the soil
  12. The microbiological assay of vitamins: the estimate and its precision.
  13. A quantitative study of the interaction of bacteriophage with Rhizobium using the technique of poured plates
  14. The production of plaques by Rhizobium bacteriophage in poured plated and its value as a counting method
  15. The Reaction of Products of Initial Stages of Peptic Proteolysis of Human and Horse Serum Albumin with Antisera to the Original Albumins
  16. Specific precipitation of one protein by antiserum to another
  17. Conversion of non-precipitating and inhibiting protein complexes into forms again precipitable by the antisera to the original proteins
  18. 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
  19. Sewage sludge and the market gardener
  20. Dry farming in India [Book Review]
  21. Photographic plates for use in the RCA electron microscope
  22. Plant-Growth Substances as Selective Weed-Killers: Inhibition of Plant Growth by 2:4-Dichlorophenoxyacetic Acid and other Plant-Growth Substances
  23. A factor in clover nodule formation associated with the volume of the medium occupied by the roots
  24. Effective and ineffective strains of legume nodule bacteria
  25. Ripening of the Onion Bulb and Infection by Botrytis Species
  26. Acid-producing mechanisms in minced leaves
  27. Virus yellows of sugar beet
  28. Soils and fertilizers
  29. Slugs in gardens: Their numbers, activities and distribution. Part 2
  30. Two new gall midges from Mauritius
  31. The competition between barley and certain weeds under controlled conditions
  32. Some aspects of the work at Rothamsted
  33. Balanced manuring
  34. Index of diversity as applied to ecological problems
  35. Occurrence of Vanessa Cardui (Lepidoptera) at sea off the West African coast
  36. Notes on the fat content of two british migrant moths (lepidoptera)
  37. Geographical variation in the wing length of Danaus Plexippus (Lep. Rhopalocera)
  38. Fertilizers during the war and after
  39. Agrochemistry
  40. Combine-drilling of phosphate fertilizers for cereals
  41. The effect of eyespot (Cercosporella herpotrichoides Fron.) on wheat and the influence of nitrogen on the disease
  42. The influence of periodic fallowing on the prevalence of viable weed seeds in arable soil
  43. Trace elements in relation to plant growth
  44. Winifred E Brenchley Obituary Notice
  45. The suppression of one plant virus by another
  46. The separation and properties of tobacco mosaic virus in different states of aggregation
  47. Protein precipitation and virus deactivation by extracts of strawberry plants
  48. Plant viruses and virus diseases
  49. Further studies on the purification and properties of a virus causing tobacco necrosis
  50. 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
  51. The incidence and distribution of some diseases of the adult honeybee (Apis-mellifera L) in England and Wales