河北省自然科学基金项目(D2006000521)资助
刘合明,刘树庆.冀西北栗钙土有机碳、酶活性及土壤呼吸强度特征研究[J].土壤学报,2009,46(4):741-745. DOI:10.11766/trxb200804040426 Liu Heming, Liu Shuqing. Characteristics of soil organic carbon, enzymic activities and soil respiration in chestnut soil of Hebei province[J]. Acta Pedologica Sinica,2009,46(4):741-745.
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