1. The formation of indigotin from indol by soil bacteria
  2. Soil bacteria that decompose certain aromatic compounds
  3. Laboratory Experiments With Non‐Arsenical Insecticides For Biting Insects
  4. The barley experiments of 1926 : Malting and analytical results
  5. English-Grown Pyrethrum as an Insecticide I
  6. The use of the tractor on the average farm
  7. Maximum-and Minimum-Correlation Tables in Comparative Climatology
  8. A statistical analysis of the daily observations of the maximum and minimum thermometers at Rothamsted
  9. The influence of soil heterogeneity on the growth and yield of successive crops
  10. Single value soil properties a study of the significance of certain soil constants
  11. Studies in soil cultivation: IV. A new form of traction dynamometer
  12. The effect of phenol, carbon bisulphide and heat on soil protozoa
  13. On the Economic Status and Bionomics of Sminthurus viridis, Lubb. (Collembola)
  14. Notes on the Feeding Habits of Habrosyne derasa, L. (Lepidoptera)
  15. The bionomics of Apion ulicis Forst (gorse weevil) with special reference to its role in the control of Ulex Europaeus in New Zealand 1
  16. Professor Antonio Berlese
  17. Some comments on the hydrometer method for studying soils
  18. First Commission: Soil mechanics and physics
  19. The micro-flora of the soil
  20. Professor W Johannsen - obituary notice
  21. Science of the year - 1928 The biological sciences
  22. The present position of our knowledge of the distribution and functions of algae in the soil
  23. On the Influence of Light and of Glucose on the Growth of a Soil Alga
  24. The determination of hydrogen ion concentration
  25. The British gall midges of peas
  26. Wheat Blossom Midges (Cecidomyidae, Diptera). Differences between Contarinia tritici (Kirby) and Sitodiplosis mosellana (Gehin)
  27. Soils and fertilisers
  28. Studies in crop variation V The relation between yield and soil nutrients
  29. The contributions of Glinka and the Russian school to the study of soils
  30. A physiological study of varietal differences in plants Part I A study of the comparative yields of barley varieties with different manurings
  31. The toxicity of certain sulphur compounds to Synchytrium endobioticum, the fungus causing wart disease of potatoes
  32. The exact treatment of the multiple correlation coefficient in meteorology and agriculture
  33. On errors in the multiple correlation coefficient due to random sampling
  34. Table of significant values of the multiple correlation coefficient
  35. Sampling errors in the theory of two factors
  36. The generalised product moment distribution in samples from a normal multivariate population
  37. The possible modification of the response of the wild type to recurrent mutations
  38. Two further notes on the origin of dominance
  39. The general sampling distribution of the multiple correlation coefficient
  40. Triplet children in Great Britain and Ireland
  41. Limiting forms of the frequency distribution of the largest or smallest member of a sample
  42. The estimation of linkage from the offspring of selfed heterozygotes
  43. Further note on the capillary forces in an ideal soil
  44. The Effect of Variation in Relative Humidity on Certain Species of Collembola
  45. Revised official British method for mechanical analysis
  46. Revised official methods of mechanical analysis of soils