1905

  1. Value of potash to farm crops as indicated by the Rothamsted Experiments
  2. Note on the Fate of Calcium Cyanamide in the Soil
  3. The Amounts of Nitrogen as Ammonia and as Nitric Acid, and of Chlorine in the Rain-water collected at Rothamsted
  4. The effect of plant growth and of manures upon the retention of bases by the soil
  5. The analysis of the soil by means of the plant (and calcium cyanamide)
  6. On the accumulation of fertility by land allowed to run wild