Books about Fertilizers

Manures and the principles of manuring

Crops and Methods for Soil Improvement

Peat and its Uses as Fertilizer and Fuel

Principles and practice of agricultural analysis. Volume 1 (of 3), Soils

Principles and practice of agricultural analysis. Volume 3 (of 3), Agricultural products

Principles and practice of agricultural analysis. Volume 2 (of 3), Fertilizers

Talks on Manures

The Farm That Won't Wear Out