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