春季如何培育山芋壮苗一精选薯种在无病虫害的地里选出的薯块，在育苗前，还应认真地选种。壮苗的标准是：茎杆粗，节间短，叶片肥厚，顶三叶齐平，苗长２０—２５厘米，老嫩适宜，浆汁多，无病虫害。春薯百苗重５００克左右，夏薯百苗重以７５０克左右为宜。二处理苗... How to cultivate a strong potato in spring a  Select potato seedlings in the absence of pests and diseases in the election of potato, before breeding, should also be carefully selected. Strong seedling standard is: thick stems, internodes short, leaf hypertrophy, top clover flush, seedlings 20-25 cm long, suitable for old tender, juicy, no pests and diseases. About 500 grams of sweet potato seedlings hundred seedlings, seedlings weight of about 750 grams of sweet potato is appropriate. Two  deal with seedlings ...