Lupins is a 9 legume. It fixes nitrogen in the soil and it also covers the soil in winter, avoiding erosion, and you can graze them when it's dried with sheep or cattle.
羽扇豆是豆类植物，能保存泥土里的氮气，也可在冬天覆盖地面，避免土壤遭侵蚀，干枯了也可以放牛羊来吃。
Lupins is a 9 legume. It fixes nitrogen in the soil and it also covers the soil in winter, avoiding erosion, and you can graze them when it's dried with sheep or cattle.
羽扇豆是豆类植物，能保存泥土里的氮气，也可在冬天覆盖地面，避免土壤遭侵蚀，干枯了也可以放牛羊来吃。
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