香根草(Vetiveria zizanioides)又名岩兰草,是禾本科多年生密丛状禾草,叶片挺立而细长,表面光滑,深绿色。须根稠密发达,根深可达2—3米,地上部冬季自然枯死,宿根越冬和分蔸繁殖。近年来,经世界银行推荐,在我国广大红壤地区新建立的坡地果园,沿等高线种植香根草生物防护草带成功,取得了明显的效果。由于香根草地上部分密丛连片,根系茂密,可以分散坡 Vetiveria zizanioides (Vetiveria zizanioides), also known as the rock blue grass, is a perennial perennial thick pheasant grass, leaves tall and slender, smooth, dark green. Depth fibrous roots, root depth of up to 2-3 meters, the natural dead winter ground, perennial wintering and sub-breeding. In recent years, the World Bank recommended that in the vast red soil region of China’s newly established slope orchard, along the contour planting vetiver biological grass belt success, and achieved remarkable results. Vetiver grass as part of contiguous, dense roots, you can disperse slope