"Chimie agricole." . . "Agriculture." . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Natural laws of husbandry" . . . . . . "The natural Laws of husbandry" . . "The plant. The soil. Action of soil on food of plants in manure. Farm-yard manure. The system of farm-yard manuring. Guano. Poudrette - human excrements. Earth phosphates. Ground rape-cake. Wood-ash. Ammonia and nitric acid. Cammon salt, nitrate of soda, salts of ammonia, gypsum, lime." . . . . . "The natural laws of husbandry" . "The natural laws of husbandry"@en . . . "The Natural Laws of Husbandry. Edited by John Blyth"@en . . . . . "Fertilizers." . . . . "Soil." . .