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利用晚秋茬口栽插秋甘薯,是提高复种指数增加产量的好方法。江苏太兴宣堡公社农科站的秋甘薯1976年13亩、1977年17亩,亩产分别达4,320斤和4,530斤,其中2亩高产田亩产5,650斤,达到一季甘薯千斤粮;同时每亩还可产3,000斤左右的藤蔓作为猪饲。由于所栽插的苗经过多次高剪,又有利于防治甘薯黑斑病,建立无病留种田。秋甘薯留种生活力强,好保管,出苗多。
The use of late autumn stubble planting sweet potato fall, is to improve the multiple crop index increase yield a good way. Autumn sweet potato in Taixing, Jiangsu Fort commune agricultural stations 13 acres in 1976, 17 acres in 1977, respectively, 4,320 pounds and 4,530 pounds per mu, of which 2 acres of high-yielding fields yield 5,650 pounds, up to a quarter of sweet potato jinliang grain; the same time per mu Can also produce about 3,000 pounds of vine as a pig feed. As the planted seedlings after repeated high-shear, but also conducive to the prevention and treatment of sweet potato disease, the establishment of disease-free stay farming. Autumn sweet potato to stay strong vitality, good custody, emergence and more.