shuidaocuiyahoubozhong,changbuanshipoxionghuopoxiongbuqi,shenzhifashengshaogenxianxiang,yanzhongyingxiangshuidaochanliang。qizhuyaoyuanyinshishuifenguoduo,zhongduineiwendudizaochengde。yinci,zuihaoyonghuangnishuihuoyanshuixuanzhonghou。yong45℃左右的溫水浸泡2分鍾,撈出成堆,堆內溫度達 37℃時,用濕草袋蓋嚴,保持在33℃10小(xiao)時(shi)左(zuo)右(you)即(ji)可(ke)破(po)胸(xiong),露(lu)白(bai)快(kuai)而(er)整(zheng)齊(qi)。催(cui)芽(ya)時(shi)要(yao)經(jing)常(chang)翻(fan)動(dong)及(ji)淋(lin)水(shui),以(yi)免(mian)溫(wen)度(du)過(guo)高(gao)或(huo)泡(pao)種(zhong)時(shi)間(jian)過(guo)長(chang),種(zhong)子(zi)被(bei)燙(tang)死(si)。齊(qi)根(gen)後(hou)要(yao)適(shi)當(dang)控(kong)製(zhi)生(sheng)長(chang),使(shi)種(zhong)堆(dui)溫(wen)度(du)在(zai)25℃左右根芽出齊後,在室內常溫攤晾 1天~ 2天,稻種厚度10厘米。水稻爛秧還與秧田耕地質量差、播種後床麵積水過深、秧苗缺氧有關,因而要搶晴天播種,施有機發酵肥做基肥。秧田起泡浮泥增多,苗根發黑時,可每畝撒細石膏粉 3公斤左右加以防治。
當秧苗 2葉~ 3葉時出現卷心死秧,則要及時蓋好塑料膜或灌水護秧,且以日排夜灌為好,增強秧苗的抗逆能力。要早施、輕施催苗肥。棚育秧苗要控製溫差。對身苗稻瘟病,用 50%稻瘟淨500倍液~800倍液或50%托布津1000倍液噴霧防治。
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