Nitrogenous Fertilizer Manufacturing

This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) manufacturing nitrogenous fertilizer materials; (2) manufacturing fertilizers from sewage or animal waste; and (3) manufacturing nitrogenous materials and mixing with other ingredients into fertilizers. It has no schema of its own: companies here are mapped on the Manufacturing schema, and what it does not cover is recorded as gaps.