*国家自然科学基金(批准号:49371036);加拿大钾磷研究所资助
程明芳,金继运,黄绍文.我国北方主要土壤非交换性钾释放速率的研究[J].土壤学报,1999,36(2):218-224. DOI:10.11766/trxb199706130209 Cheng Ming-fang, Jin Ji-yun, Huang Shao-wen. RELEASE RATES OF NON-EXCHANGEABLE POTASSIUM IN SELECTED SOILS FROM NORTHERN CHINA[J]. Acta Pedologica Sinica,1999,36(2):218-224.
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