Assertion: fertilizer's acid | /r/HasProperty | phosphoric
Facets:
Source sentences:
text: Over-fertilization with phosphorus is common and many growers apply unnecessarily high amounts of phosphorus fertilizers, especially when compound NPK fertilizers are used or when irrigation water is acidified using phosphoric acid.
text: — Fertilizers, containing nitrogen, phosphoric acid and potash, mixed together so that an application of the preparation will result in bringing each of these substances in contact with the soil wherever applied, are called complete fertilizers.
text: Sometimes a fertilizer of this kind will be advertised for use on a certain crop, and will contain the nitrogen, phosphoric acid and potash in the proportion in which the manufacturer believes they will produce the best yields of that crop.
text: For instance, German-Dutch chemist Johann Glauber (c. 1604 to 1670), developed the first mineral fertilizer, which comprised saltpeter, lime, phosphoric acid, nitrogen, and potash.