The yield and dynamics of soil nitrate for summer maize on the plain of northwest Shandong province
WANG Xing-wu, YU Qiang, ZHANG Guo-liang, LI Yun-sheng
GEOGRAPHICAL RESEARCH ›› 2005, Vol. 24 ›› Issue (1) : 140-150.
The yield and dynamics of soil nitrate for summer maize on the plain of northwest Shandong province
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