Distribution and transference characteristics of soil nitrogen in vegetable field in Dianchi lake basin
XIA Tiyuan, DA Liangjun, NIAN Yaoping, ZHANG Junguo
Ecology and Environmental Sciences . 2010, (7): 1628 -1635 .  DOI: 10.16258/j.cnki.1674-5906(2010)07-1628-08

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