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 |  | Levkovsky E.V., Guber A.K.  CALCULATION OF DIFFERENTIAL POROSITY ON THE BASE OF HARD SOIL PHASE CHARACTERISTICS [№ 4  ' 2008]
 Possibility of differential porosity calculation of agro-dark-grey soil with second humic level according to data of granulometric structure, density and content of organic matter with using of regression models complex is shown in this article.
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|  Editor-in-chief
 |  | Sergey Aleksandrovich MIROSHNIKOV
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