Fertilizers

Examples

• Commercial fertilizers generally contain nitrogen, phosphorus, and potash in amounts varying with the requirements of the soil. Bertha M. Clark. General Science.
• The blood is largely used for making albumen for photographic uses, as well as in sugar refining, for meat extracts, and for fertilizers. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• Davy recognized and explained the beneficial fertilizing effects of ammonia, and analysed and explained numerous fertilizers, including guano. William Henry Doolittle. Inventions in the Century.
• The other important ingredient of most fertilizers is potash. Bertha M. Clark. General Science.
• They knew the value of fertilizers, and adapted their crops to the quality of the ground. H. G. Wells. The Outline of History_Being a Plain History of Life and Mankind.
• Knowledge, these Germans believed, might be a cultivated crop, responsive to fertilizers. H. G. Wells. The Outline of History_Being a Plain History of Life and Mankind.
• Soil and the fertilizers which enrich it, the plants which grow on it, and the animals which feed on these, all contain nitrogen or nitrogenous compounds. Bertha M. Clark. General Science.

Edited by Kelsey