Effects of residue placement and crop type on residue C and N addition, recovered in coarse fragments (>2 mm), and losses during the crop growing period in the greenhouse.
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*Significant at P = 0.05.**Significant at P = 0.01.*** Significant at P = 0.001.aIncludes C and N added from the residue application and leaf fall.bNumbers followed by different letters within a column in a set are significantly different at P≤0.05 by the least square means test.cCoefficient of variation.dNot significant.
创建时间：
2015-12-02
