
Analysis of temporal and spatial variation of nitrogen in fieldditch system of small agricultural watershed
ZHANG Zhan-Yu, CHEN Jing-Jing, ZHANG Wen-Xiang, SI Han
Journal of Drainage and Irrigation Machinery Engineering ›› 2013, Vol. 31 ›› Issue (1) : 61-65.
Analysis of temporal and spatial variation of nitrogen in fieldditch system of small agricultural watershed
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