Origin, quantities and fate of nitrogen flows associated with animal production
The nitrogen efficiency is the ratio between the output of nitrogen in the animal products and the input required for the livestock production. This ratio is a driver of the economic profitability and can be calculated at various levels of the production system: animal, field or farm. Calculated at...
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Veröffentlicht in: | Advances in animal biosciences 2014-10, Vol.5 (s1), p.28-48 |
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Hauptverfasser: | , , , , , , , , , , , , |
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Sprache: | eng |
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