圆山药多以食用为主,营养价值不亚于其它类型的山药,在市场上属于高档品种。而且圆山药的药用价值也很高。圆山药生产比较稳定,意外灾害较少,栽培用工少,很易大面积栽培。一、土地的选择和准备圆山药对土质要求不严,以壤土和粘壤土为宜。前茬以粮食作物为佳,尽量避免与多肥栽培 Round yam and more food-based, nutritional value of no less than other types of yam in the market are high-grade varieties. And the medicinal value of the yam is also very high. Round yam production is relatively stable, less accidental disaster, less labor, it is easy to cultivate a large area. First, the choice of land and preparation Round yam lax requirements of the soil to loam and clay loam is appropriate. Precursor crops to better, try to avoid and fat cultivation