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新疆DB65/T 4355-2021《南疆冬小麦机械化匀播高产栽培技术规程》解读

2023-11-21 11:37:28 来源:农机网整理发布 阅读量:28055 评论

导读:该标准规定了冬小麦机械化匀播技术的术语和定义、高产条件、主要生育指标和产量指标、栽培技术措施。适用于南疆冬小麦种植。

  【农机网 政策与标准】2021年5月20日,新疆维吾尔自治区市场监督管理局批准发布DB65/T 4355-2021《南疆冬小麦机械化匀播高产栽培技术规程》,该地方标准自2021年8月1日起实施。
 
  该标准由新疆农业科学院粮食作物研究所提出,由新疆维吾尔自治区农业农村厅归口,由新疆农业科学院粮食作物研究所、新疆维吾尔自治区阿克苏地区农业技术推广中心起草。规定了冬小麦机械化匀播技术的术语和定义、高产条件、主要生育指标和产量指标、栽培技术措施。适用于南疆冬小麦种植。
 
  机械匀播——
 
  播种机:采用小麦无垄联合耕播机、小麦联合立体匀播机等系列小麦联合匀播机型播种。
 
  基肥:在小麦无垄联合耕播机、小麦联合立体匀播机的肥料箱内,将全部磷肥、钾肥及40%的氮肥作为基 肥一次性基施,每666. 7 m?施纯氮5. 4 kg〜7. 8 kg、纯磷(Pad) 10 kg和纯钾(KzO) 5 kg。
 
  播期:冷凉山区、半山区冬小麦种植区最佳播种期为9月15日〜25日,平原冬小麦种植区最佳播种期为 9月25日〜10月5日。
 
  播量:适期播种的播种量为18 kg/666. 7 i/〜22 kg/666. 7 m20
 
  播种质量:小麦无垄联合耕播机、小麦联合立体匀播机施肥、播种均匀,肥料在耕层中立体均匀分布,小麦种 子等深覆±3 cm〜5 cm,镇压,使种子与土壤紧密接触,以利于吸水发芽和麦苗安全越冬。
 
  【冬前管理】
 
  冬前灌水——
 
  灌水时间:当日平均气温下降至3 ℃~4 ℃时,适时冬灌,生产上越冬水一般可从10月25日开始,H月15 日结束。
 
  灌水量:灌水量以 60 m7666. 7 m?〜80 m7666. 7 n?为宜。
 
  【返青期至灌浆期管理】
 
  灌水——
 
  返青期灌水:一般不灌返青水,但对个别墙情不足的麦田,应适时灌返青水,灌水量为60 m7666. 7 mz〜70 m3/666. 7 m2o
 
  起身至拔节期灌水:冬小麦起身至拔节期应灌水1次,灌水量为70 m7666. 7 m2~80 m3/666. 7 n?,做到弱苗早灌、 壮苗和旺苗适当晚灌。
 
  灌浆期灌水:冬小麦灌浆初期灌水1次,灌水量为70 m7666. 7 m2~80 m7666. 7 m2o
 
  麦黄期灌水:在冬小麦籽粒饱满、籽粒颜色开始变黄,麦收前10 d左右时灌水1次,灌水量为40 m7666. 7 m2~50 m3/666. 7 m2o
 
  施肥——
 
  追肥:拔节期随水追施尿素15 kg/666. 7 m?〜25 kg/666. 7 m2o
 
  叶面肥:用磷酸二氢钾100 g/666. 7 n?〜200 g/666. 7 尿素200 g/666. 7 m2.兑水30 kg进行叶面喷 施。
 
  麦田化除——
 
  双子叶(阔叶)杂草化除:以播娘蒿、灰黎等双子叶杂草混合发生的麦田,可用75%苯磺隆L 5 g/666. 7 m\ 36%嗖草•苯磺 隆可湿性粉剂4 g/666. 7 mz〜5 g/666. 7 m2,兑水30 kg〜45 kg进行喷雾防治。
 
  禾本科杂草化除:以硬草、稗草等禾本科杂草为主的麦田,可用6. 9%精嗯睡禾草灵水乳剂60 mL/666. 7 mz〜80 mL/666. 7 m?或50%异丙隆可湿性粉剂250 g/666. 7 n?〜300 g/666. 7 m?兑水30 kg〜45 kg进行喷雾 防治。两种药剂宜在温度较高、湿度大时施用。
 
  单子叶、双子叶混生杂草化除:单子叶、双子叶杂草混生麦田,防治需根据杂草的发生规律及田间杂草长相,将不同的药剂混合使 用,可用 6. 9%精嗯唾禾草灵 60 mL/666. 7 m2~80 mL/666. 7 m?搭配 75%苯磺隆 1. 5 g/666. 7 m2,兑 水30 kg〜45 kg进行喷雾防治。
 
  病虫防控:农药施用应符合GB/T 8321 (所有部分)的规定。返青期至灌浆期,以防治麦蜡、锈病、白粉病 为主。当百株场量超过500头,天敌与麦场比大于1 : 150时,可用5%咤虫月米乳油30 mL/666. 7 mz〜 40 mL/666. 7或22%氟咤虫胺月青水分散粒剂10 mL/666. 7 m2,兑水30 kg〜45 kg进行喷雾防治。
 
  白粉病和锈病防治:在病害发生初期,即进行防治,做到发现一点,防治一片,普治与挑治相结合,可 用40%晴菌唾可湿性粉剂20 mL/666. 7 m2,兑水30 kg喷施。
 
  适时化控:植物生长调节剂施用应符合GB/T 8321 (所有部分)的规定。在小麦起身期至拔节期,对播期偏 早、水肥充足、播量偏大的旺长麦田以及株高偏高容易倒伏的冬小麦品种,喷施50%的矮壮素水剂120 mL/666. 7 m2-150 mL/666. 7 m2,兑水 15 kg 喷施化控。
 
  收获——
 
  收获时间:采用联合收割机收割的适宜收获期为完熟初期,即茎叶全部变黄、茎秆还有一定弹性,籽粒呈现品 种固有色泽。
 
  质量要求:收获过程中的收割总损失率V5%,籽粒破损率V2. 5%,籽粒脱净率>97%,留茬高度在15 cm左右。 收获后及时晾晒。
 
 
  注:本文由农机网(www.nongjx.com)整理发布,资料来源:地方标准信息公共服务平台。
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