By Drs. Casey W. Ritz
& William C. Merka
Special to Poultry Times
ATHENS, Ga. — Poultry manure fertilizer contains all the essential nutrients required for crop production, and its value as an organic fertilizer and a source of plant nutrients has been recognized for centuries. Even with its beneficial effects on plant growth, however, manure constitutes only a small percentage of the nutrients applied to cropland when compared to commercial fertilizer.
Poultry manure fertilizer is not used to its maximum potential for several reasons, including:
(a) Lack of information on its value as a source of. . .