DB43-T 2379-2022棉花-油菜輪作雙直播技術(shù)規(guī)程

ICS65.020.20CCSB05 43湖 南 省 地 方 標(biāo) 準(zhǔn)DB43/T2379—2022棉花-油菜輪作雙直播技術(shù)規(guī)程Technicalcodeofcotton-raperotationdoubledirectseeding20222022070820221008湖南省市場(chǎng)監(jiān)督管理局發(fā)布1····················································································································21····················································································································2·····································································································3···········································································································4··············································································································5··································································································5.1········································································································5.2··············································································································5.3··············································································································5.4········································································································5.5·····································································································5.6········································································································5.7········································································································6··································································································6.1········································································································6.2··············································································································6.3··············································································································6.4·····································································································6.5········································································································7··············································································································11111122233333344447.1生產(chǎn)檔案········································································································47.2投入品檔案·····································································································47.3檔案管理········································································································48參考文件··············································································································4附錄A（規(guī)范性）生產(chǎn)檔案···························································································5I目 次前言 Ⅲ前 言GB/T1.1—20201請(qǐng)注意本文件的某些內(nèi)容可能涉及專利。本文件的發(fā)布機(jī)構(gòu)不承擔(dān)識(shí)別專利的責(zé)任。本文件由湖南省農(nóng)業(yè)農(nóng)村廳提出。本文件由湖南省農(nóng)業(yè)標(biāo)準(zhǔn)化技術(shù)委員會(huì)歸口。本文件起草單位：湖南省棉花科學(xué)研究所、中國(guó)農(nóng)業(yè)科學(xué)院棉花研究所、湖南生物機(jī)電職業(yè)技術(shù)學(xué)院。本文件主要起草人：李飛、梅正鼎、曾球、趙瑞元、郭莉莉、李彩紅、何叔軍、賀云新、李玉芳、李亞兵、吳碧波。棉花-油菜輪作雙直播技術(shù)規(guī)程本文件規(guī)定了棉花-油菜輪作雙直播的茬口銜接、棉花直播栽培管理、油菜直播栽培管理等要求。本文件適用于兩熟區(qū)域的棉花-油菜輪作雙直播栽培。（GB4407.11GB4407.22NY/T3638 DB43/T1550棉花化學(xué)農(nóng)藥減施增效技術(shù)規(guī)程3術(shù)語(yǔ)和定義3術(shù)語(yǔ)和定義下列術(shù)語(yǔ)和定義適用于本文件。3.1棉花-油菜輪作rotationofcottonandrape指在同一田塊上有順序地在季節(jié)間輪換種植棉花和油菜的種植方式。4茬口銜接530不晚于10月25日，湘南播種時(shí)間不晚于10月30日。5棉花直播栽培管理25cm1～2旋耕完畢，用滅生性或芽前除草劑全田噴施，封除雜草。110d20cmGB4407.1播前7d～15d，選晴好天氣，將待播的種子置于背風(fēng)向陽(yáng)干燥處，晾曬2～3d；包衣種子不需曬種。播種每公頃75000株～105000株。選擇晴天，用棉花專用旋耕施肥播種機(jī)實(shí)行作壟、開(kāi)溝、播種、施肥、壓實(shí)一次性完成，壟寬（包溝）1.52m，每穴播籽1粒～2粒，覆土1.5cm～2.0cm，行距76cm。播種后及時(shí)清溝，保持水路暢通。棉花出苗后缺株率不超過(guò)10％，不補(bǔ)苗、不間苗、不定苗；超過(guò)10％，視出苗情況補(bǔ)種、補(bǔ)苗。棉花出苗后缺株率不超過(guò)10％，不補(bǔ)苗、不間苗、不定苗；超過(guò)10％，視出苗情況補(bǔ)種、補(bǔ)苗。5.2.5播后除草播種后25d左右，視田間雜草種類和生長(zhǎng)量，進(jìn)行苗期除草。施肥中等肥力棉田，每公頃推薦肥料用量為N150kg～180kg、P2O575kg～90kg，K2O150kg～210kg。種肥同播，種肥間隔不低于5cm，肥料在種子側(cè)下方10cm～15cm處。899％800～10001.0％～2.01～272臺(tái)～3臺(tái)果枝時(shí)化控1次，每公頃縮節(jié)胺用量7.5g～15.0g。田間見(jiàn)第一朵白花后1周內(nèi)化控1次，每公頃縮節(jié)胺用量22.5g～30.0g。5.4.3化學(xué)封頂9～10250g/L540mL～810mL270mL～540mL100cm。參照DB43/T1550執(zhí)行。50％450g～600g40％900mL～1200mL。根據(jù)田間的吐絮情況及時(shí)采收；棉花脫葉率不低于95％，吐絮率不低于90％，可進(jìn)行一次性采收。耕深20cm。應(yīng)用旋耕施肥播種機(jī)進(jìn)行旋耕、開(kāi)溝起壟，壟寬1.8m～2.0m。耕深20cm。應(yīng)用旋耕施肥播種機(jī)進(jìn)行旋耕、開(kāi)溝起壟，壟寬1.8m～2.0m。00B2播前5d～7d曬種，選晴好天氣，將待播的種子置于背風(fēng)向陽(yáng)干燥處，晾曬1d～2d。播種每公頃450000株～600000株。人工播種，每公頃種子用量3.5kg～4.5kg；機(jī)械免耕直播或無(wú)人機(jī)飛播，每公頃種子用量4.5～6.0kg。6.2.3播后除草播種后即進(jìn)行封閉除草或在油菜苗期進(jìn)行選擇性化學(xué)除草。6.2.4清溝排水播種后，開(kāi)好廂溝、腰溝和圍溝，廂溝深不小于25cm，圍溝腰溝不小于20cm。施肥N150kg～180kgP2O545kg～60kg、K2O45kg～75kg、10kg～12kg；氮肥、鉀肥總量的60％和全部磷肥、硼肥用作基肥，20％～30％氮肥用于冬前提苗，10％～20％的氮肥和40％的鉀肥作薹肥。參照NY/T3638執(zhí)行。全田90％以上的角果變黃，部分呈淺褐色，分枝抬起，主枝頂端角果用手能輕易捏開(kāi)，全株籽粒變色時(shí)，可采用機(jī)械一次性收獲。7生產(chǎn)檔案7生產(chǎn)檔案。。檔案由專職人員進(jìn)行管理，隨時(shí)整理并逐年歸檔，保存期限不少于3年。8參考文件DB43/T1729機(jī)采棉生產(chǎn)技術(shù)規(guī)程HNZ172 A.2施肥記錄表A.3化控記錄