Nutrient Recovery Technologies from Manures and Reuse As Fertilizer.

1.0 CM CEU

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The sustainability of animal production industries depends upon reducing nutrient imbalance, particularly for nitrogen and phosphorus, at the farm and watershed levels. Where land suitable to receive manures is insufficient to match manure production, new management is needed to reduce environmental risk and slow depletion of world reserves of mined nutrients. Recovery technologies offer the opportunity to reduce excessive land application of these nutrients in fields nearby animal production farms by concentrating nutrients into forms that are economically suitable for long-distance transport. In this presentation, we will first discuss emerging nutrient recovery technologies, including chemical properties of the recovered products. Then, we will discuss agronomic implications of using recovered nutrients from these technologies as sources of fertilizer for crops.