水稻薄膜旱育的秧苗,短粗,根群发达,抗低温能力强,可早插,是争农时、避冷害,抗旱节水,提高产量的重要措施。旱育苗的温水管理要点: 1.看温定播期 旱育苗播种、盖膜7天内,床内日平均气温可比床外高6～7℃,中午前后高12～14℃。催芽种子(破胸露白)播种后5～6天即 Rice thin film dry nursery seedlings, short stubborn, developed root groups, low temperature ability, early insertion, is to fight farming, avoid cold damage, water saving, and increase production of important measures. Dry water nursery warm water management points: 1. See the warm sowing date nursery sowing, cover film within 7 days, the average daily bed temperature 6 ~ 7 ℃ higher than the bed, before and after noon 12 ~ 14 ℃. Germination seeds (broken breast exposed) 5 to 6 days after sowing