Agriculture .. 3
v. 1. Soils, formation, physical and chemical characteristics and methods of improvement, including tillage, drainage & irrigation.--v. 2. Manures, fertilizers & farm crops, including green manuring and crop rotation.--v. 3. Animal husbandry, including the breeds of live stock, the general principles of breeding, feeding animals; including discussion of ensilage dairy management on the farm and poultry farming
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