Manure Chemistry – Nitrogen, Phosphorus, Carbon
gas. Denitrifying bacteria convert NO 3 to N 2 under anoxic (low oxygen) conditions. This can occur in soils that undergo periods of saturation, either naturally or under cultivation as in rice production. After manure is excreted, the organic nitrogen, ammonium, and urea in the feces and urine are subjected to treatment and storage. Urea is ...