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香根草原产欧洲,但最早应用香根草防治水土流失这一技术的是印度,目前这一技术已快速发展至亚洲、非洲、拉丁美洲的许多国家,并取得显著成效。我国曾有多年栽培历史,主要利用根部提取香料。近几年来,在长江流域及其以南的福建、四川、江西、湖南等地进行防止水土流失试验示范得到成功,并已开始大面积推广应用。
Vetiver originated in Europe, but India was the first to apply vetiver to control soil erosion. At present, this technology has been rapidly developed in many countries in Asia, Africa and Latin America and has achieved remarkable results. My country has many years of cultivation history, the main use of the root extract spices. In recent years, demonstration experiments on soil and water erosion prevention in the Yangtze River Basin and its south Fujian, Sichuan, Jiangxi and Hunan have been successful and large-scale popularization and application have begun.