PDF(441 KB)
Eco-economic Period Threshold for Controlling Weeds in Summer Soybeans in Beijing Region
You Zhen-guo
Chin J Plant Ecol ›› 1993, Vol. 17 ›› Issue (4) : 317-323.
PDF(441 KB)
PDF(441 KB)
Eco-economic Period Threshold for Controlling Weeds in Summer Soybeans in Beijing Region
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