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The soil-ecological index as an integral indicator for the optimization of the land-use structure |
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| Authors: | A. A. Chibilev V. P. Petrishchev S. V. Levykin A. Kh. Ashikkaliev G. V. Kazachkov |
| Affiliation: | 1.Institute of Steppe, Ural Branch,Russian Academy of Sciences,Orenburg,Russia;2.Orenburg State University,Orenburg,Russia |
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