hairy vetch

基本解释

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。

Hairy-vetch mulch does all of those things, too, but using it is not as convenient as laying down a few sheets of plastic, and is more expensive.
ECONOMIST: Genetic technology supports sustainable farming
On the other hand, plants grown using hairy-vetch mulch are a lot healthier (and yields are 20% higher), so Dr Mattoo wondered if he could track down the biochemical origins of this healthiness.
ECONOMIST: Genetic technology supports sustainable farming