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近几年，我们充分利用河堤、沟坡、渠沿等废荒地，引种美国多花黑麦草等优质牧草，取得了良好的经济效益和社会效益，现把美国多花黑麦草栽培要点介绍如下： 美国多花黑麦草株形直立，植株高约 １３ｃｍ，分蘖多、再生能力强，根系发达，须根多密布在２０ｃｍ的地表土层中，一?
In recent years, we have made full use of the highlands such as embankments, ditch slopes and ditches along the wasteland to introduce high-quality forage grass such as ryegrass in the United States and achieved good economic and social benefits. Now we introduce the main points of the cultivation of ryegrass in the United States as follows : American rye grass plant upright, plant height of about 13cm, more tillers, strong regeneration ability, root system developed, multi-dense fibrous roots in 20cm of surface soil, a?