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一、甜菜春季生产技术指导意见(一)纸筒育苗移栽甜菜1、培育壮苗。要提早进行育苗,育苗时间一般在3月底至4月上旬。按技术要点做好苗床土壤的选择与肥料的混配。甜菜播种后及时进行扣棚增温,以利出齐苗。出苗后做好苗床温湿度调控,视子叶及真叶生长情况,进行苗床通风降温、降湿。第一对真叶小米粒大小时,喷洒壮苗剂控制幼苗徒长,培育壮苗。真叶1—2对时期,苗棚白天控温在15—20℃,夜间在0℃以上。在整个
First, beet spring production technical guidance (a) paper tube seedling transplanting beet 1, nurturing strong seedlings. To early nursery, nursery time is generally from the end of March to early April. According to the technical points of seedbed soil selection and fertilizer mix. Sugar beet sown promptly after sowing warming, in order to benefit Qi Miao. Seedling temperature and humidity control seedlings do a good job after emergence, depending on the growth of cotyledons and true leaves, seedbed ventilation cooling, dehumidification. When the first pair of true leaf millet grain size, sprinkle sprouting agent control seedling growth, grow strong seedlings. True leaves 1-2 pairs of period, Miao Peng temperature during the day at 15-20 ℃, night at 0 ℃ above. Throughout