Compared different cutting time and different cutting frequency, the productivity of hairy vetch has great difference.
通过对毛苕子进行不同刈割时间与次数对比，发现其生产能力有很大差别。
Compared different cutting time and different cutting frequency, the productivity of hairy vetch has great difference.
通过对毛苕子进行不同刈割时间与次数对比，发现其生产能力有很大差别。
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