1915

  1. A new thrips damaging coffee in British East Africa
  2. The pea thrips ( Kakothrips Robustus)
  3. New Thysanoptera from Florida and Louisiana
  4. Discussion on production and refining of sugar within the Empire
  5. Soil protozoa and soil bacteria
  6. Comparative field trials with, dried and degreased sewage sludges at Rothamsted
  7. Recent investigations on the production of plant food in the soil
  8. The Effect of removing the Soluble Humus from a Soil on its Productiveness
  9. Studies on the lime requirements of certain soils
  10. CP26Rendement, classement, caracteres et traitement des pommes a cidre pour la dessiccation
  11. Notes on some methods for the examination of soil protozoa
  12. Recolonisation of cultivated land allowed to revert to natural conditions
  13. Weeds on arable land and their suppression
  14. The atmosphere of the soil: its composition and the causes of variation
  15. Frequency distribution of the values of the correlation coefficient in samples from an indefinitely large population