岳阳县云山乡杨塅村改革耕作制度,在双季稻田发展玄胡生产,取得了好的经济效益。1996年他们在收割晚稻后种植玄胡15.2公顷,占双季稻田面积的63％,1997年5月初收挖药材,共产鲜玄胡8.38万公斤,加工后出售,共收入66.2万元,平均667平方米产值2894元, Yangyang Village, Yunshan Township, Yueyang County, reforming farming system, developing the production of Hyun Hu in double paddy fields, and achieved good economic benefits. In 1996, after planting late rice, they planted 15.2 hectares of Xuanhu, accounting for 63% of the paddy field area in the double season. In early May 1997, they dug and dug herbs and produced 8.38 million kilograms of Xianxuanhu. After processing, they sold a total of 662,000 yuan with an average of 667 yuan 2894 yuan square meter output value,