Jing-kuan Wang

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The characteristics and changes of soil organic carbon (SOC) and total nitrogen (TN) in different size particles of soil under different agricultural practices are the basis for better understanding soil carbon sequestration of mollisols. Based on a 31-year long-term field experiment located at the Heilongjiang Academy of Agricultural Sciences (Harbin) ,(More)
In this paper, black soil samples were separated into four sizes ( > 2,000, 2,000-250, 250-53, and <53 microm) of aggregates by wet sieving, and their free light fraction (free LF) and intra-aggregate particulate organic matter (iPOM) were isolated by density fractionation, aimed to evaluate the effects of manure application on the organic carbon in(More)
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