黄姜学名盾叶薯蓣,农民又叫火藤根,和山药是近缘植物。黄姜茎细、蔓生,有缠绕性,叶三角形,和山药很相似。地下的珊瑚状根状茎就是黄姜。目前国内不少药厂大量收购黄姜,提取制药工业重要的基础原料——皂素。河南省内乡县科协黄姜研究所,近年来一直从事黄姜的研究与开发,该县种植面积逐年扩大。 黄姜两年收获一次,一般667平方米产鲜品2000公斤 Turmeric scientific name Dioscorea zingiberensis, farmers also known as fire root, and yam is a relative plant. Yellow ginger thin stem, vine, winding, leaf triangle, and yam is very similar. Underground coral rhizome is turmeric. At present, many domestic pharmaceutical companies acquired a large number of turmeric, extract the pharmaceutical industry an important basic raw material - saponin. Turpan Institute of Neixiang County Association of Science in Henan Province, Turmeric has been engaged in research and development in recent years, the county planted area has expanded each year. Turmeric harvest two years, usually 667 square meters of fresh produce 2,000 kilograms