Talks on Manures: A Series of Familiar and Practical Talks Between the Author and the Deacon, the Doctor, and Other Neighbors, on the Whole Subject of Manures and FertilizersOrange Judd Company, 1885 - 358 páginas |
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Términos y frases comunes
14 tons 40 bushels ammonia-salts amount of nitrogen applied artificial manures ashes available nitrogen average barley barn-yard better bone-dust bran bushels of wheat bushels per acre cent cheese clover-hay clover-roots cows crop of wheat cultivated Deacon Doctor Dressed Corn dung Equal to ammonia experiments fact farm farm-yard manure farmers feed fermentation fertility field fresh manure grain grass growth gypsum heap horses increase insoluble land large crops load magnesia manure contains mineral matter Mixed mineral manures mown nitrate of soda nitric acid nure oats organic matter Peruvian guano phosphate phosphate of lime phosphoric acid pig-pens pigs plant-food plants plowed potash potatoes pounds produce quantity rich richer roots ROTHAMSTED salts season seed sheep silica six inches soil soluble sown spread spring stable-manure straw sulphate of ammonia sulphuric acid summer-fallow superphosphate of lime top-dressing Total turnips urine Volcker weight winter worth yard yield