荫豆(Gliricidia maculata)是一种深根豆科植物,据报道,斯里兰卡和许多热带国家已普遍种植。在斯里兰卡,萌豆通常用作天然的围栏,或用来遮荫、支撑藤蔓植物,或作稻田绿肥。尽管人们一直用它作家畜饲料,但有关其农艺学以及从畜牧生产的角度来评定其饲用价值等方面的报道极少。在斯里兰卡,荫豆作为家畜饲料特别 Gliricidia maculata is a deep-rooted legume that has reportedly been widely planted in Sri Lanka and many tropical countries. In Sri Lanka, adolescent beans are often used as natural fences, or used to shade, support vines, or make green manures in rice fields. Although people have been using it as a feed for livestock, there have been very few reports on their agronomy and the assessment of their value in terms of livestock production. In Sri Lanka, yam beans are special as livestock feed