水稻栽培新突破:植質缽育機械化
“這秧盤成本大約是多少?”“再(zai)演(yan)(yan)示(shi)(shi)一(yi)遍,我(wo)看(kan)(kan)看(kan)(kan)它是如何翻板(ban)的(de)(de)。”“我(wo)數數每穴(xue)有(you)多少粒種子。”前(qian)不久在黑龍江八(ba)一(yi)農墾大學“水稻植(zhi)質(zhi)缽育機械化栽(zai)培新技(ji)(ji)術”演(yan)(yan)示(shi)(shi)現場,來(lai)自科研院校及(ji)全(quan)國(guo)農墾系(xi)統的(de)(de)部分(fen)專家(jia)學者(zhe)被這項新技(ji)(ji)術所(suo)吸引,有(you)的(de)(de)探究秧盤的(de)(de)生產(chan)過程,有(you)的(de)(de)拿起秧盤細細查看(kan)(kan)其結實度,有(you)的(de)(de)一(yi)遍遍要求重復演(yan)(yan)示(shi)(shi)播種過程,有(you)的(de)(de)拔出(chu)秧苗看(kan)(kan)其秧根盤結情況,而拍照則(ze)不再(zai)是記者(zhe)們的(de)(de)專利,專家(jia)學者(zhe)紛(fen)紛(fen)將(jiang)這項新技(ji)(ji)術的(de)(de)獨特之處拍照留存。
據介紹,2010年,這項新技術在黑龍江農墾的(de)20個示(shi)范點的(de)1.5萬畝水田(tian)進行了試驗示(shi)范,結果顯示(shi):該(gai)技術增(zeng)產(chan)幅度大,平(ping)均畝產(chan)達到815公斤,比常規種植增(zeng)產(chan)20.7%。目(mu)前,該(gai)技術已通過專(zhuan)家鑒(jian)定,達到國(guo)際(ji)先(xian)進水平(ping)。
“這(zhe)一技術(shu)將是目(mu)前水(shui)稻種(zhong)植(zhi)模式和機械作業(ye)方式的一次革新(xin)。”項(xiang)目(mu)組負責(ze)人、黑龍(long)江八一農(nong)墾(ken)大(da)學(xue)副校長汪春教授說,“植(zhi)質(zhi)(zhi)秧(yang)盤(pan)滿足了缽育苗(miao)的所有(you)農(nong)業(ye)技術(shu)要求(qiu),移栽不(bu)傷根、無需緩苗(miao),比普通育秧(yang)增加12-15天有(you)效(xiao)生長期;秧(yang)盤(pan)隨著水(shui)稻生長緩慢降解,實(shi)現(xian)(xian)了植(zhi)物秸(jie)稈綜合利用,最終(zhong)實(shi)現(xian)(xian)提質(zhi)(zhi)、增產,是目(mu)前水(shui)稻生產實(shi)現(xian)(xian)優質(zhi)(zhi)、高產最有(you)效(xiao)的手段之一,有(you)助于(yu)實(shi)現(xian)(xian)北(bei)方寒地水(shui)稻種(zhong)植(zhi)業(ye)跨越式發(fa)展。”
在(zai)植(zhi)質(zhi)缽育秧(yang)(yang)(yang)盤(pan)生產(chan)中心,一(yi)(yi)臺(tai)大型充壓機不停地轉動,工人則(ze)(ze)不斷地將由秸稈(gan)粉、填充劑(ji)、粘結(jie)劑(ji)、有(you)機肥等組成(cheng)的(de)(de)混合物(wu)送(song)入輸送(song)帶(dai),在(zai)充壓機的(de)(de)另一(yi)(yi)端,帶(dai)著秸稈(gan)及(ji)有(you)機肥味道的(de)(de)半成(cheng)品(pin)秧(yang)(yang)(yang)盤(pan)則(ze)(ze)源(yuan)源(yuan)不斷地輸出,隨之(zhi)(zhi)又被送(song)入干燥設(she)備中進行干燥。這(zhe)種以稻草(cao)為(wei)主要(yao)原料制成(cheng)的(de)(de)秧(yang)(yang)(yang)盤(pan)不但可(ke)實現(xian)(xian)稻草(cao)的(de)(de)有(you)效利(li)用(yong),實現(xian)(xian)秸稈(gan)的(de)(de)間接還田,更重(zhong)要(yao)的(de)(de)作用(yong)是改善生態環境。據(ju)介紹,缽育機械移栽技(ji)術具有(you)早期育苗、秧(yang)(yang)(yang)根盤(pan)結(jie)、秧(yang)(yang)(yang)苗齊壯、移栽時(shi)不傷(shang)根、無(wu)緩苗期、延(yan)長作物(wu)有(you)效生育期、秧(yang)(yang)(yang)苗可(ke)實現(xian)(xian)等行等距,有(you)利(li)于秧(yang)(yang)(yang)苗的(de)(de)田間生長,最終實現(xian)(xian)提(ti)質(zhi)、增產(chan)的(de)(de)目的(de)(de)。目前(qian),國際上擁有(you)這(zhe)項成(cheng)熟技(ji)術的(de)(de)僅有(you)日本(ben)(ben)的(de)(de)幾家(jia)公(gong)司(si)。然(ran)而(er),移栽機都存在(zai)著結(jie)構復(fu)(fu)雜、價(jia)格高,尤(you)其秧(yang)(yang)(yang)盤(pan)價(jia)格昂貴,每畝(mu)秧(yang)(yang)(yang)盤(pan)成(cheng)本(ben)(ben)可(ke)達160元,而(er)該項目組所制造(zao)的(de)(de)秧(yang)(yang)(yang)盤(pan)成(cheng)本(ben)(ben)控制在(zai)每畝(mu)53元。即使(shi)如此,與(yu)常(chang)規插秧(yang)(yang)(yang)技(ji)術中因秧(yang)(yang)(yang)盤(pan)可(ke)以重(zhong)復(fu)(fu)使(shi)用(yong),每畝(mu)秧(yang)(yang)(yang)盤(pan)成(cheng)本(ben)(ben)6元相(xiang)比,該秧(yang)(yang)(yang)盤(pan)的(de)(de)成(cheng)本(ben)(ben)還是較(jiao)高。因此,如何(he)在(zai)這(zhe)一(yi)(yi)環節降低成(cheng)本(ben)(ben)成(cheng)為(wei)項目組進一(yi)(yi)步(bu)完善該技(ji)術的(de)(de)內容(rong)之(zhi)(zhi)一(yi)(yi)。“這(zhe)樣(yang)的(de)(de)秧(yang)(yang)(yang)盤(pan)既(ji)環保又能增加地力,值(zhi)得推廣,但過(guo)高的(de)(de)成(cheng)本(ben)(ben)會在(zai)一(yi)(yi)定程度上阻礙它的(de)(de)推廣。”有(you)專家(jia)建(jian)議(yi),增加單(dan)位時(shi)間內的(de)(de)制盤(pan)量是措施之(zhi)(zhi)一(yi)(yi),而(er)要(yao)增加制盤(pan)量,更為(wei)重(zhong)要(yao)的(de)(de)是它的(de)(de)市場(chang)需求量,只有(you)規模上去(qu)了,成(cheng)本(ben)(ben)才(cai)能降下來。
“再(zai)演示(shi)(shi)(shi)一(yi)遍,我(wo)還要(yao)(yao)再(zai)看(kan)(kan)(kan)看(kan)(kan)(kan)毛刷(shua)怎(zen)(zen)么掃種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de),翻板(ban)是怎(zen)(zen)么翻的(de)(de)。”在(zai)水(shui)稻植質缽育精量播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)演示(shi)(shi)(shi)現場(chang),有(you)專(zhuan)(zhuan)家一(yi)再(zai)要(yao)(yao)求精量播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)多(duo)(duo)遍演示(shi)(shi)(shi),以便(bian)仔細觀看(kan)(kan)(kan)播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)過(guo)程(cheng)(cheng)。只(zhi)見(jian)(jian)演示(shi)(shi)(shi)人員按一(yi)下遙控器,裝(zhuang)(zhuang)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)器開(kai)始(shi)在(zai)型孔式的(de)(de)充(chong)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)裝(zhuang)(zhuang)置(zhi)上均衡(heng)走動(dong),所過(guo)之處,由于(yu)毛刷(shua)的(de)(de)作用,充(chong)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)裝(zhuang)(zhuang)置(zhi)上均勻地鋪滿了(le)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子,演示(shi)(shi)(shi)人員再(zai)一(yi)按遙控,充(chong)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)裝(zhuang)(zhuang)置(zhi)下的(de)(de)翻板(ban)突然(ran)一(yi)動(dong),種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子齊刷(shua)刷(shua)落入植質缽育秧(yang)盤中。整個過(guo)程(cheng)(cheng)簡潔又簡單。只(zhi)見(jian)(jian)專(zhuan)(zhuan)家們紛(fen)紛(fen)蹲下身子,仔細地數著(zhu)秧(yang)盤中的(de)(de)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子數,“幾乎沒有(you)漏(lou)播(bo)(bo)(bo)的(de)(de),每個穴有(you)三四粒的(de)(de),也有(you)七八粒的(de)(de),多(duo)(duo)數每穴五六粒,真不(bu)錯。”中國工程(cheng)(cheng)院(yuan)院(yuan)士羅錫文對(dui)這款精量播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)的(de)(de)效(xiao)果很是肯(ken)定。與原有(you)的(de)(de)播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)相比,此款播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)除了(le)能精量播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)之外(wai),最大的(de)(de)優點還是節(jie)(jie)約人工,與常規播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)機(ji)需(xu)要(yao)(yao)至少3人不(bu)同,它只(zhi)需(xu)要(yao)(yao)一(yi)個人手持遙控器即可完成播(bo)(bo)(bo)種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)。同時,較(jiao)普通育秧(yang)可節(jie)(jie)省種(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)子50%-60%。
下一篇::不銹鋼輸送帶具有可觀發展前景