The nutrients present in poultry excreta are the result of incomplete processes of digestion and absorption of dietary feedstuffs. Despite being feasible for use as fertiliser with minimal processing, excess production of excreta is a reality in areas of intensive poultry farming.
In these areas, the excreta output amounts are commonly superior to the capacity of sequestration by the soil. It is at the limit of the soil's capacity to absorb the available amounts of nutrients. Pollution can affect soil, air and water quality.
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