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一、品种选择及处理1、品种选择:根据生态条件及市场需求,因地制宜选择熟期适宜、高产、优质、抗逆性强的审定推广品种,如东农303、克新4号等早熟品种,克新2号、克新12号等中晚熟品种。2、种块处理:播种前30天出窖,在室温下暖种生芽,晒种壮芽,汰出病薯,播前1-2天切种。二、选地,选茬及整地1、选地:选地势高燥、土地疏松,土质肥沃、排灌方便的沙质土壤,并且要求地壤 PH 值在5.5-6.5范围内。2、选茬:前茬选择玉米、小麦、谷子、大豆等茬口,忌茄科作物和十字花科作物茬口,轮作周期必须在3年以上。3、整地:种马铃薯地块应进行秋翻地。
I. Selection and Treatment of Varieties 1. Variety Selection: According to the ecological conditions and market demand, the varieties of validated varieties with suitable maturity, high yield, high quality and strong resistance are selected according to local conditions, such as the early maturing varieties Dongnong 303 and Kexin 4, Kexin 2, Kexin 12 and other medium and late varieties. 2, seed processing: 30 days before sowing the cellar, warm seed germination at room temperature, sun strong sprouts, eliminate the disease, 1-2 days before sowing. Second, the election, cropping and site preparation 1, the election: Select the topography of high dry, loose soil, fertile soil, irrigation and drainage of convenient sandy soil, and requires the soil PH value in the 5.5-6.5 range. 2, the election stubble: the former choice of corn, wheat, millet, soybeans and other stubble, avoid Solanaceae crops and cruciferous crop stubble rotation cycle must be more than 3 years. 3, site preparation: planting potato plots should be autumn.