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ISSN 1993-3916

Arid Ecosystems

The “Arid Ecosystems” journal was organized by the decision of General Biology Division of the Russian Academy of Sciences.

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Архив метки: chernozems

CHERNOZEMS OF WESTERN TRANSBAIKAL: DISTRIBUTION, FERTILITY ELEMENTS, ORGANIC MATTER, HUMUS, CROPS

Arid Ecosystems

Chimitdorzhieva G.D. CHERNOZEMS OF WESTERN TRANSBAIKAL: DISTRIBUTION, FERTILITY ELEMENTS, ORGANIC MATTER, HUMUS, CROPS // Arid ecosystems. 2020. V. 26. № 4 (85). P. 136-143. | PDF

The chernozems of Transbaikal, along with chestnut soils, are intensively used in agriculture of the region. Their humus level is low (4.2%), they have a light particle size distribution and are spreading in patches, mostly on the various slopes, and are subject to deflation. Their biological activity is low due to their deep level of freezing (4 m) and slow thawing. The microorganisms are distributed only in their surface layers. The amounts of annual fresh organic matter are low, their destruction is slow. Humus is fulvic-humate with a high content of non-hydrolyzable residue (48%). The harvest of spring wheat in the farms of the region is 12-13 cwt/ha. Only by application of the sparing agriculture and adaptive land management methods, the harvest can be increased up to 21 cwt/ha.

Keywords: chernozems, organic matter, humus, fertility, West Baikal Region.

DOI: 10.24411/1993-3916-2020-10128

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