PDF(268 KB)
Determination of the Seasonal Changes of the Biological Nitrogen-Fixation Activity of Different Plants in the Xilingoule Grassland Inner Mongolia
Guan Xiu-qing, Du Qian-you, Wang Ji-wei
Chin J Plant Ecol ›› 1989, Vol. 13 ›› Issue (4) : 387-391.
PDF(268 KB)
PDF(268 KB)
Determination of the Seasonal Changes of the Biological Nitrogen-Fixation Activity of Different Plants in the Xilingoule Grassland Inner Mongolia
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