Residual effects of nitrogen fertilization and winter cover croppingon nitrogen availability
| Autor: | Smith, M. Scott, Blevins, Robert L., Corak, Steven J., Frye, Wilbur W., McCracken, Daniel V. |
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| Zdroj: | Soil Science Society of America Journal; Sep/Oct1989, Vol. 53 Issue 5, p1459, 0p |
| Databáze: | Complementary Index |
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