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Evaluating Livestock System Environmental Performance with Whole-Farm Nutrient Balance

University of Nebraska-Lincoln, Biological Systems Engineering and Animal Science Departments, 213 L.W. Chase Hall, East Campus, Lincoln, NE 68583-0726

View larger version (21K): [in a new window]   Fig. 1. A whole-farm nutrient balance provides a measure of nutrient use efficiency for evaluating the value of alternative nutrient strategies.

View larger version (78K): [in a new window]   Fig. 2. Site maps for case-study feedlot and crop production sites.

View larger version (26K): [in a new window]   Fig. 3. Source of P inputs to 33 Nebraska confined swine and beef cattle operations.