1921

  1. The larval and pupal stages of the Bibionidae
  2. Dephenolisation in soil I
  3. Obituary Notice Percival Spencer Umfreville Pickering 6 March 1858 – 5 December 1920
  4. On the Life History of Wireworms of the Genus Agriotes, Esch., with Some notes on that of Athous Haemorrhoidalis, F. Part II
  5. Biological studies of Aphis Rumicis Linn. 1746 Part II
  6. Biological studies of Aphis Rumicis Linn. 1746 Part 1
  7. Biological studies of Aphis rumicis, L A Appearance of winged forms. B. Appearance of sexual forms
  8. The relation between the clay content of certain physical properties of a soil
  9. The factors determining soil temperature
  10. The evaporation of water from soil. II.: Influence of soil type and manurial treatment
  11. On a form of Botrytis Cinerea with colourless Scherotia
  12. Root development in barley and wheat under different conditions of growth
  13. The development of the flower and grain of barley
  14. Studies on soil reaction. I. A resume
  15. Studies on soil reaction. II. The colorimetric determination of the hydrogen ion concentration in soils and aqueous soil extracts
  16. Studies in crop variation. 1. An examination of the yield of dressed grain from Broadbalk