广东大埔县湖寮镇龙岗管理区种养专业户青年民兵罗泰文,利用河坝地较高的竹林地培育袋栽香菇获得成功,经济效益显著。88年10月底,他在面积4分的竹林地上袋栽香菇4000袋,到89年4月收菇结束,鲜香菇总收入达1.2万多元,据初步换算,以栽培1000袋香菇计,总成本为1100元,总收入3000元。纯收入1900元,投入与产出的比例 Luo Tai-wen, a young militia specialized in planting and breeding specialized households in Longgang Management Area, Huliao Town, Dapu County, Guangdong Province, succeeded in cultivating bagged mushrooms with high bamboo groves in Heba County, with remarkable economic benefits. At the end of October 88, he planted 4,000 bags of mushrooms in a bamboo plot area of ​​4 points. By the end of April 1989, the total revenue of fresh mushrooms reached 12,000 yuan. According to the preliminary conversion, 1,000 bags of mushrooms were planted, The cost of 1100 yuan, the total income of 3,000 yuan. The net income of 1900 yuan, input and output ratio