嘉祥细毛长山药种植是山东省嘉祥县发展经济的优势项目 ,近年来种植面积不断扩大 ,产品出口量逐年增加。为适应商品经济发展需要 ,为山药生产的指标化提供依据 ,笔者于 1996～ 2 0 0 1年进行了肥料配比、栽子利用年限、栽植时期、栽培密度、轮作换茬等栽培试验。1　材料与方法1 Jiaxiang hairy long yam cultivation is Jiaxiang County, Shandong Province economic development advantages of the project, growing area in recent years continued to expand, the export volume of products increased year by year. In order to meet the needs of the development of commodity economy and provide the basis for the standardization of yam production, the author carried out cultivation tests from 1996 to 2001 on the ratio of fertilizers, the useful life of pots, the planting period, the planting density, and the rotation cropping. 1 Materials and methods 1