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      今日要聞

      內蒙古DB15/T 2802—2022《河套平原灌區玉米機械籽粒直收栽培技術規程》

      2023-05-19 13:58:07 來源:農機網整理發布 閱讀量:27843 評論

      導讀:規定了內蒙古河套平原灌區玉米機械化籽粒直收技術的選地整地、品種選擇、播種作業、田間管理及收獲作業等技術內容。適用于內蒙古河套平原灌區玉米種植,相近生態區可參照執行。

        【農機網 政策與標準】2022年8月30日,內蒙古自治區市場監督管理局批準發布DB15/T 2802—2022《河套平原灌區玉米機械籽粒直收栽培技術規程》,該標準自2022年9月30日實施。
       
        該標準由內蒙古自治區農牧廳提出,由內蒙古自治區農業標準化技術委員會(SAM/TC 20)歸口,由內蒙古自治區農牧業科學院、巴彥淖爾市農牧科學研究所起草。
       
        規定了內蒙古河套平原灌區玉米機械化籽粒直收技術的選地整地、品種選擇、播種作業、田間管理及收獲作業等技術內容。適用于內蒙古河套平原灌區玉米種植,相近生態區可參照執行。
       
        選地:選擇地勢平坦,地力均勻、適宜機械化作業的地塊。
       
        整地:秋收后深翻、旋耕滅茬:機收后,及時進行田間殘膜、殘茬處理,撒施農家肥1000kg/667㎡-1500kg/667㎡,深翻30cm以上。
       
        冬匯:在地表封凍前進行冬匯,灌水量80㎡/667㎡-100㎡/667㎡。
       
        播前耙地:播種前進行耙地,深度為10cm-15cm,耙后碎土良好并根據土壤墑情及時鎮壓。
       
        品種選擇:選擇國家審定、自治區審定或引種備案適宜當地種植的玉米籽粒直收品種,品種應符合DB15/T 1974,種子質量符合GB 4404.1單粒播質量要求。
       
        播種——
       
        播期:當10 cm土層溫度穩定通過8 ℃~10 ℃時進行播種。
       
        種植方式:大小行膜下滴灌采用40 cm+80 cm或40 cm+70 cm,黃灌采用60 cm等行距。
       
        種植密度:5500株/667 m2~6000株/667 ㎡ 。
       
        播種作業:采用玉米精量播種機一次完成施肥、覆膜、播種作業。播深3 cm~5 cm,種肥用量為玉米專用復合肥30kg/667㎡或磷酸二銨25kg/667㎡,種肥與種子距離應不涉于5cm。
       
        田間管理——
       
        除草:土壤封閉選用乙草胺·莠去津合劑、精異丙甲草胺·莠去津合劑、精異丙甲草胺·津去津·噻吩磺隆合劑、在玉米4-5葉期選用莖葉草劑煙嘧磺隆·硝磺草酮·莠去津合劑、煙嘧磺隆·莠去津合劑。用法用量及操作依照GB/T 8321.6和GB/T 8321.7的規定。
       
        追肥:拔節期結合中耕追施尿素10kg/667㎡-15kg/667㎡;大喇叭口期灌水追施尿素15kg/667㎡-20kg/667㎡。
       
        灌水:在拔節期、大喇叭口期、抽雄吐絲期、灌漿期及時灌溉,整下生育期水量控制在180㎡/667㎡-230㎡/667㎡。
       
        蟲害防治:拔節后根據病蟲害情況及時防治。采用機械噴藥或者無人機飛防,重點防治紅蜘蛛,防治方法參照GB/T 8321.10。
       
        收獲時期:生理成熟15 d后,籽粒含水率小于等于25.0%。
       
        收獲:采用谷物聯合收獲機或玉米專用收粒機進行收獲,收獲條件符合GB/T 21962規定。
       
        收獲質量:籽粒破碎率小于等于5.0%,總損失率小于等于5.0%,籽粒含雜率小于等于3.0%。
       
        烘干:收獲后籽粒應及時晾曬或進行烘干作業,烘干質量符合GB/T 21017規定。
       
        收獲后處理——
       
        秸稈處理:機械收粒后,秸稈粉碎還田或打捆離田。
       
        殘膜回收:選擇滾筒式地膜撿拾機回收殘膜,地膜回收率達80%以上,殘膜含雜率低于30%。
       
        注:本文由農機網(www.surfneptune.com)整理發布,資料來源:地方標準信息公共服務平臺。
       
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