1907

  1. Note on an Apparent Secular Change in the Rothamsted Drain Gauges.
  2. On the evolution of gas during churning
  3. Agricultural research
  4. Some observations on the assimilation of atmospheric nitrogen by a free living soil organism Azotobacter Chroococcum of Beijerinck
  5. Some observations on nitrification
  6. The flocculation of turbid liquids by salts
  7. LXIII -The interaction of ammonium salts and the constituents of the soil