Poultry manure from animals fed recommended levels of amprolium and aureomycin was added to a Guelph loam soil. A soil perfusion experiment indicated that the feed additives in the manure had no effect on the nitrification rate of the soil. The rates of nitrification were 8.8 µg NO 3 ‐ ‐N·g soil −1 ·day −1 for the 11.2 metric tons/ha addition, 28.8 µg NO 3 ‐ ‐N·g soil −1 ·day −1 for the 33.6 metric tons/ha manure addition, and 32.4 µg NO 3 ‐ ‐N·g soil −1 ·day 1‐ for the addition of 0.0028 M (NH 4 ) 2 SO 4 solution.
No takes yet. Share an insight, caveat, or question.
P. R. Warman (1980) studied this question.