以较鲜嫩的植物绿色体为肥源的植物称为绿肥。比较理想的绿肥作物有:苜蓿、草木樨、田菁、柽麻、紫穗槐、沙打旺等。种植绿肥对于改善生态环境大有好处。 一、减少水土流失 绿肥作物有茂盛的茎叶、发达的根系,种植后既可以增加地面植被, Plants that are more fertile green plants are known as green manures. The more ideal green manure crops are: alfalfa, vegetation mulberry, Sesbania, Abutilon, Amorpha fruticosa, sand Asthma and so on. Planting green manure is good for improving the ecological environment. First, to reduce soil and water erosion Green crops have lush stems and leaves, well-developed roots, after planting can increase the ground vegetation,