多变小冠花是一种保持水土能力较强的良好豆科绿肥牧草。由于它具有强大的根系,蔓生的主茎和密集的侧茎,能形成繁茂的覆盖层,保持水土的能力优于沙打旺和紫花苜蓿。其茎叶是牛羊等反刍家畜的好饲草.连续种植数年,耕作层土壤全氮和有机质的含量可以明显提高。多变小冠花,原产欧洲地中海和西亚地区,原作为观赏植物,近几十年来才应用于 Changeable Crown of thorns is a good water and soil to maintain a good legume green manure grass. Because of its strong roots, sprawling stems and dense lateral stems, it can form lush coverings that retain soil and water better than Astragalus adsurgens and alfalfa. Its stems and leaves are good fodder for ruminants such as cattle and sheep, etc. The content of total nitrogen and organic matter in the tillage layer can be significantly increased in successive years of cultivation. Variety of small crown flowers, native to Europe and the Mediterranean Sea in West Asia, the original as ornamental plants, which have been used in recent decades