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Manure Chemistry – Nitrogen, Phosphorus, & Carbon
www.nrcs.usda.govorganic N, or as NO 3, which is available to plants. • Land application: Raw (untreated) manure applied to land contains nitrogen in the form of organic compounds and ammonium. Dryer manure from feedlots and poultry litter will also contain some nitrate-N. The organic nitrogen in manure is broken down into forms plants can absorb over time.