大喇叭口期以后根系干重在土壤中的垂直分布呈负指数曲线趋势变化。

After flare opening stage apeak distribution of dry weight root in soil was Negative Index curve.

youdao

大喇叭口期以后根系干重在土壤中的垂直分布呈负指数曲线趋势变化。

After flare opening stage apeak distribution of dry weight root in soil was Negative Index curve.

youdao