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

Foods and Their Adulteration Origin, Manufacture, and Composition of Food Products; Description of Common Adulterations, Food Standards, and National Food Laws and Regulations

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

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