豫南春马铃薯栽培技术一选用早熟品种适宜当地种植的品种为郑薯５号二催芽︵一︶切块元月上旬将薯种切块每公斤切５０块左右切成三角形每块１２个芽眼每亩地需种薯１００公斤切好的薯块用草木灰拌一下晒２３天使伤口愈合︵二︶催芽在背风向... Yu Nanchun spring potato cultivation techniques  selection of early maturing varieties suitable for local planting varieties Zheng Shu 5    germination (a)  cut  early January of the potato cut  cut about 50 per kilogram  cut into Triangle  each 12 Bud Eye 需 per mu of land required for seed tubers 100 kg  cut tubers with grass and wood mixed with  sun drying 23 days  wound healing  (二)  germination  in the leeward ...