近日,蒙阴老科协基地试种的紫山药获得成功,亩产达4000~5000公斤。蒙阴老科协基地试种的紫山药,外皮呈紫黑色,果肉也是紫色的,花青素含量极高,其他微量元素及营养也很丰富。这种紫山药,果实形状像薯块,外观不规则,呈长圆形。技术人员介绍说,这种山药喜欢旱能浇、涝能排的沙质土壤,栽植地块的熟土层要求达40公分。一般亩栽2500 Recently, the Purple Mountain Yam, which has been planted by the Mengyi Science and Technology Association, has succeeded in producing 4,000 to 5,000 kilograms of mu per mu. Mengyingkeijiake base to test the purple yam, the skin was purple, flesh is purple, anthocyanin content is very high, other trace elements and nutrition is also very rich. This purple yam, fruit shape like tubers, the appearance of irregular, oblong. Technical staff said that this type of yam like drought can be poured, waterlogging row of sandy soil, planted layer of mature soil requirements up to 40 cm. General planted 2500 acres