Assertion: fertilizer | /r/MadeOf | phosphoric acid
Facets:
Source sentences:
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.