不同用量风化煤腐殖酸对玉米根系的影响 |
周丽平,袁亮,赵秉强,李燕婷,林治安 |
Response of Maize Roots to Different Additive Amounts of Weathered Coal Humic Acids |
ZHOU LiPing,YUAN Liang,ZHAO BingQiang,LI YanTing,LIN ZhiAn |
图1 不同用量腐殖酸的玉米轴根数和轴根长度 |
Fig. 1 The number and length of maize axial roots with different additive amounts of humic acids |
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