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白苕,俗称脚板苕,又名山药、大薯.块茎富含淀粉,含糖14％,蛋白质1.5％、纤维0.9％,品质别具风味。山区野生白苕多作药用,家种白苕是一种滋补品的珍贵蔬菜,耐贮藏运输,又是出口的农产品,而且产量高,一般栽培每窝产2～3斤,亩产可达30D0～5000斤,高产栽培可超万斤.其种植技术是: 一、选用良种.自苕种类因品种不同,块茎有棍棒状和块状,外表皮有赤褐、黑褐和紫色以及肉白色或带淡紫色。家种白苕可分为长形种、扁形种和块状种三类,以长形种产量高,耐寒力强,如成都的牛尾苕、雪薯等;扁形与块形有褶皱,耐寒力差,产量不高。
White sturgeon, commonly known as the foot plate 苕, also known as yam, big potato tuber is rich in starch, sugary 14%, protein 1.5%, fiber 0.9%, quality distinctive flavor. Mountain wild white pheasant for medicinal purposes, the family Pulsatilla is a kind of precious vegetables tonic, resistant to storage and transportation, but also exports of agricultural products, and high yield, the general cultivation of litter per 2 to 3 pounds, up to per mu 30D0 ~ 5000 pounds, high-yield cultivation can be super kg. The planting techniques are: First, the selection of elite varieties of self-sufficiency due to different varieties, tubers are sticks and lumps, the outer skin with brown, dark brown and purple and meat white Or with lavender. There are three types of species of white breed in the family: long breed, flat breed and massive breed, with high yield of long breed and strong cold hardiness, such as oxtail fillet and sweet potatoes in Chengdu; Poor, the yield is not high.