Wiley, Harvey Washington

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

English 3433h 55m read

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

English 3478h 31m read

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

English 1920h 27m read

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

English 4582h 51m read