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3年的研究结果表明:水稻旱地育秧技术,具有明显的增产效果.主要是:①旱育秧的苗床含水量低,氧气充足;膜的透光率高,膜内光照条件好,土温和气温高,昼夜温差大;②种谷胚乳转化速度快,转化效率高;③秧苗有较强的根系优势;④秧苗的抗寒能力强;⑤移栽后秧苗“不打盹”;⑥分蘖节位低,发生时间早,分蘖速度快;⑦产量形成期绿叶面积大,叶绿素含量高;⑧提高了弱势颖花的结实率
Three years of research results show that: rice dry land seedling technology, with a significant yield increase. The main is: ① dry seedling seedling bed moisture content is low, adequate oxygen; membrane transmittance is high, the membrane light conditions are good, soil temperature and temperature is high, temperature difference between day and night; ② seed valley endosperm transformation speed, high conversion efficiency; ③ Seedling has a strong root system; ④ cold-resistant ability of seedlings; ⑤ after transplanting seedlings “do not nap”; ⑥ tillers node is low, the occurrence of early time, tillering speed; ⑦ yield formation green leaf area, chlorophyll content High; ⑧ increased the strong spike rate of weakness