The treatment of winter wheat, grown on ordinary carbonate chernozem with humic fertilizer «BIO-Don»

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A comparative analysis of the two methods of determining the total humus content in the soil was carried out: an indirect Tyurin’s method (modification by Simakov), and modification according to State Standart 26213-9 were compared with a method of high-temperature catalytic combustion in the analyzer of total organic carbon (TOC-L CPN Shimadzu). It is shown that the determination of the total soil humus content by Tyurin’s method and as described in State Standard 26213-9 gives...
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