№ 76(2), February, 2012
Public date: 29.02.2012
Archive of journal: Articles count 92, 197 kb
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AGROTECHNICAL EFFICIENCY OF THE COMBINED ARABLE UNIT WITH ACTIVE WORKING BODY
DescriptionIn the article, agrotechnical requirements to preseeding processing of soil are stated. The technique and results of experimental researches of the combined arable unit with working body of active action are resulted. Pa-rameters and the operating modes of the unit providing quality of crushing of soil, meeting agrotechnical re-quirements are proved
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NI, CR, PB IN HYDROMORPHIC SOILS OF THE TEREK-SULAKSKOY SUBPROVINCE OF DAGESTAN
DescriptionIn the article, we investigated hydromorphic soils of the Tersko-Sulak subprovince of Dagestan. We determined the content of humus, nickel, chromium and lead with genetic horizons of the investigated soils. The small excess of the maximum allowable concentration of nickel and chromium has been found, doze of lead was within norm