中国水稻土氮密度变异性的幅度效应研究
张黎明, 林金石, 史学正, 于东升
The effect of different extents on variation of nitrogen density of paddy soils in China
ZHANG Liming, LIN Jinshi, SHI Xuezheng, YU dongsheng
生态环境学报
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2011, (1): 1
-6
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DOI: 10.16258/j.cnki.1674-5906(2011)01-0001-06
