Humus and nitrogen state virgin and cultivated chernozems

I. E. Koroleva; I. I. Lebedeva; A. M. Grebennikov

Dokuchaev Soil Bulletin
Byulleten Pochvennogo instituta imeni V.V. Dokuchaeva

ISSN 0136-1694 (Print)
ISSN 2312-4202 (Online)

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Koroleva I.E., Lebedeva I.I., Grebennikov A.M. Humus and nitrogen state virgin and cultivated chernozems. Dokuchaev Soil Bulletin. 2013;(71):27-35. (In Russ.) https://doi.org/10.19047/0136-1694-2013-71-27-35

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ISSN 0136-1694 (Print)
ISSN 2312-4202 (Online)

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