Animal agriculture plays an essential role in the US economy. An integral part of sustainable agriculture and sustainable rural areas is the management and utilization of animal wastes. Poorly managed animal manure can negatively impact air and water quality.
MoreNitrogen (N) and phosphorous (P) are essential components of all plants, animals and the biosphere. While both N and P are natural and vital nutrients in our ecosystems, changes in land use have radically altered the amounts of N and P being delivered to our aquatic systems.
MoreThe widespread dispersal of heavy metals and potentially toxic trace elements in sewage, industrial wastes and runoff from urban, agricultural land and mine sites has been implicated as a major factor contributing to the pollution of many aquatic ecosystems.
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