山药高产优质栽培模式山药又名薯蓣，为一年生蔓性草本植物。其块茎肉质柔滑、风味鲜美、营养丰富，且可菜药兼用、滋补食疗、加工出口。山药为高产作物，但菜农传统种植方法的产量低而不稳，亩产仅２０００ｋｇ左右。经多年栽培试验，现已摸索出一整套高产优质栽培新技术... Yam high yield and quality cultivation mode Yam, also known as yam, is an annual creeping herb. Its smooth tuber meat, delicious flavor, nutrient-rich, and can serve both medicine, nourishing diet, export processing. Yam is a high-yielding crop, but the yield of traditional vegetable growers is low and unsteady. The yield per mu is only about 2000kg. After years of cultivation experiments, has now worked out a set of high-yield and high-quality cultivation of new technologies ...