Long-term effect of cow congregation zone on soil penetrometer resistance: implications for soils and forage quality.
| Autor: | Sigua, Gilbert C.1 gilbert.sigua@ars.usda.gov, Coleman, Samuel W.1 |
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| Zdroj: | Agronomy for Sustainable Development (EDP Sciences). Oct2009, Vol. 29 Issue 4, p517-523. 7p. 2 Black and White Photographs, 3 Charts, 4 Graphs. |
| Databáze: | Academic Search Ultimate |
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