我在農業技術指導實踐中,通過對水稻無(wu)盤拋秧(yang)(yang)栽(zai)(zai)(zai)培技(ji)術(shu)的不斷探(tan)索與(yu)總結,把(ba)拋秧(yang)(yang)栽(zai)(zai)(zai)培技(ji)術(shu)改進(jin)為(wei)拋定秧(yang)(yang)栽(zai)(zai)(zai)培技(ji)術(shu),被廣大農戶普(pu)遍采(cai)用(yong)與(yu)推(tui)廣,可采(cai)用(yong)旱育保姆旱育秧(yang)(yang)無(wu)盤拋秧(yang)(yang)栽(zai)(zai)(zai)培或旱育秧(yang)(yang)無(wu)盤拋秧(yang)(yang)栽(zai)(zai)(zai)培均適用(yong)。其(qi)具體操(cao)作技(ji)術(shu)如下:
1、床地選擇與(yu)培肥(fei)
選擇水源充足的帶泥壤土(不選沙壤土),5尺開廂,4尺廂面,16米長,備足苗床地,播種1公斤稻種。播種前7—10天翻挖,施原三合清糞水3--5擔,播前1天或當天將床地整細、整平,取適量表土粗篩后備用,每廂撒施尿素、磷銨各1公斤,欠入廂土作底肥。
2、施足底水
每平方米(mi)施足底水(shui)50—60公斤,使3寸以上(shang)土表層充分濕透,再(zai)用(yong)秧板(ban)輕壓廂面,取備好的細土填平廂面。
3、包衣播種
選晴好天氣,將晾曬后的稻種用清水浸泡20分鐘至24小時,濾去多余水分,適當吹曬(以種子不粘手為宜)先將種(zhong)(zhong)(zhong)子倒入盆中(zhong),后倒旱(han)育(yu)保姆(mu)(mu)(1包(bao)旱(han)育(yu)保姆(mu)(mu)能包(bao)2公斤水稻種(zhong)(zhong)(zhong))做(zuo)到(dao)現開現拌,邊搖邊篩(shai),使藥劑均勻裹于稻種(zhong)(zhong)(zhong)表面立(li)即播(bo)(bo)種(zhong)(zhong)(zhong)。旱(han)育(yu)秧播(bo)(bo)種(zhong)(zhong)(zhong)應(ying)減少(shao)旱(han)育(yu)保姆(mu)(mu)的技術操作過程。播(bo)(bo)種(zhong)(zhong)(zhong)后,均用細土蓋(gai)種(zhong)(zhong)(zhong),以不見種(zhong)(zhong)(zhong)子為度,后搭(da)拱蓋(gai)膜保溫。
4、培育壯肥苗(miao)
出苗(miao)前(qian)以保溫為主,揭膜(mo)前(qian)一般不澆水,三葉一心(xin)時(shi)根(gen)據天氣揭膜(mo)煉苗(miao),注意放(fang)高溫燒苗(miao),同時(shi)用清水兌尿素提苗(miao)2—3次,培育多蘗壯秧。
5、適(shi)時拋秧(無(wu)盤拋秧栽培(pei)技術)
當秧(yang)(yang)(yang)齡在(zai)(zai)30天左右(you)即可進(jin)行拋(pao)(pao)(pao)秧(yang)(yang)(yang),拋(pao)(pao)(pao)栽前頭天晚上用(yong)清水將(jiang)秧(yang)(yang)(yang)苗潑(po)透(tou),以利于在(zai)(zai)第二天取秧(yang)(yang)(yang)拋(pao)(pao)(pao)栽時秧(yang)(yang)(yang)根(gen)帶泥,取秧(yang)(yang)(yang)時盡(jin)量讓秧(yang)(yang)(yang)根(gen)都帶上泥,或(huo)將(jiang)秧(yang)(yang)(yang)苗分窩,便(bian)于拋(pao)(pao)(pao)栽,大田可用(yong)臉盆(pen)或(huo)秧(yang)(yang)(yang)盆(pen)放置田中進(jin)行,每窩定(ding)向(xiang)拋(pao)(pao)(pao)栽,拋(pao)(pao)(pao)栽窩行距均勻。省工、省時、省力(li),操作技術簡便(bian)適用(yong)。













