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一、品种选择淀粉加工用薯主要选用脱毒徐薯18、豫薯7号、豫薯12、豫薯13、梅营1号;食用或商品用薯主要选用脱毒北京553、苏薯8号、徐薯34等。二、培育壮苗1.苗床选择。选择地势较高、避风向阳、3~5年未种过红薯的疏松土壤作苗床,育苗前耕翻、耙平、整细,做成长度不限、宽1.2米的畦面。2.育苗方法。排种前将苗床表土堆放在一边,在床底上垫一层猪、牛粪,作为酿热物。再铺上一层20~25厘米厚的表土。选择表皮光滑,大小适中(125~200克)、无病、无伤、无冻害的薯种进行排
First, the choice of varieties of starch processing potato main selection detoxification Xushu 18, Yushu 7, Yushu 12, Yushu 13, Meiying 1; edible or commercial use of potato mainly detoxification Beijing 553, Su potato 8 , Xu potato 34 and so on. Second, nurturing seedlings 1. Seedbed selection. Choose a higher terrain, sheltered from the sun, 3 to 5 years without planting sweet potatoes loose soil as a seedbed, cultivating before tilling, raking, fine, made of unlimited length, width of 1.2 meters Kamen. 2 nursery methods. Before planting seedbed beds topsoil stacked aside, pad a layer of pigs on the bed, cow dung, as the stuffed stuffing. Then spread a layer of 20 ~ 25 cm thick topsoil. Select the skin smooth, moderate size (125 ~ 200 grams), disease-free, non-injury, no frost damage potato rows