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1种薯选择及处理在播种前,要精心挑选合适的种薯,最好使用脱毒种薯,如川芋系列(川芋4号、5号、56号、川芋早等)、凉薯系列(凉薯97、14等)、米拉等品种。种薯用0.1%~0.2%高锰酸钾溶液浸种10~15min后,将种薯与河沙,分层相间放置,厚度3~4层,并保持20℃左右的温度和经常湿润的状态,经10d左右即可萌芽。重底巧追以基肥为主,追肥为辅,氮、磷、钾之比为2:1:4,基肥占总施肥量的3/5或2/3,以腐熟有机肥为主,配
1 kinds of potato selection and treatment Before sowing, to carefully select the appropriate seed, the best use of virus-free seed, such as Sichuan taro series (Sichuan taro No. 4, No. 5, No. 56, Sichuan taro early, etc.) Series (Sweet Potato 97,14, etc.), Mira and other varieties. Seed soaking with 0.1% ~ 0.2% potassium permanganate solution 10 ~ 15min, the seed and river sand, layered and placed between the phases, the thickness of 3 to 4 layers, and maintain the temperature of about 20 ℃ and often wet state, After about 10d can germinate. Top heavy chasing mainly base fertilizer, topdressing supplemented, nitrogen, phosphorus and potassium ratio of 2: 1: 4, the base fertilizer accounted for 3/5 or 2/3 of the total amount of fertilizer, mainly to decomposed organic manure