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山东省DB37/T 4527.4—2022《小麦-玉米全程机械化生产技术规程 第4部分:鲁中半干旱区》 

2023-06-14 08:47:11 来源:农机网整理发布 阅读量:38373 评论

导读:规定了冬小麦-夏玉米全程机械化生产中耕整地、品种选择、播种、田间管理、收获、秸秆处理等主要作业环节及其技术要求、配套农机具和注意事项。适用于鲁中半干旱区小麦-玉米全程机械化生产。

  【农机网 政策与标准】2022年6月30日,山东省市场监督管理局批准发布了DB37/T 4527.4—2022《小麦-玉米全程机械化生产技术规程 第4部分:鲁中半干旱区》,该地方标准自2022年7月30日开始实施。
 
  该标准由山东省农业农村厅提出并组织实施,由山东省农业标准化技术委员会农业机械标准化分技术委员会归口,由山东农业科学院玉米研究所、山东省农业机械科学研究院、山东农业科学院作物研究所、泰安市农业技术推广站、山东省气候中心起草。
 

  规定了冬小麦-夏玉米全程机械化生产中耕整地、品种选择、播种、田间管理、收获、秸秆处理等主要作业环节及其技术要求、配套农机具和注意事项。适用于鲁中半干旱区小麦-玉米全程机械化生产。
 
  【收获】
 
  收获时期:蜡熟期收获,籽粒含水率14 %~18 %左右,籽粒颜色接近本品种固有光泽、籽粒较为坚硬。
 
  秸秆处理:应选用带秸秆切碎器的小麦联合收获机收获,留茬高度≤15 cm,作业质量应符合NY/T 995的要求。秸秆粉碎还田,秸秆粉碎长度≤15 cm,秸秆切碎合格率≥90 %,并均匀抛撒。
 
  【玉米季要求】
 
  播种——
 
  种子处理:选用经过包衣处理的商品种。
 
  合理密植:种植密度宜为66 000株/hm2~75 000株/hm2。
 
  播种方式:宜精量单粒播种,所选播种机具应与种植模式规格标准相配套。贴茬直播或清茬播种,宜采用60cm等行距机械播种,播种深度为3 cm~5 cm。作业质量应符合NY/T 1628的规定。
 
  施肥:宜选用玉米专用缓控释肥,于播种时一次性同步分层施入,种肥间隔6 cm~8 cm,严防烧种。
 
  施用普通化肥,可于播种时施用氮肥(N)60 kg/hm2~80 kg/hm2、磷肥(P O )90 kg/hm2~120 kg/hm2、钾肥(K O)75 kg/hm2~100 kg/hm2和30 kg/hm2~50 kg/hm2硫酸锌肥,严防烧种。于抽穗花粒期采用水肥一体化技术追施105 kg/hm2~125 kg/hm2的氮肥及60 kg/hm2~80 kg/hm2的钾肥。水肥一体化技术符合NY/T 2624的规定。
 
  灌溉与排涝:播种时若墒情不足,应浇蒙头水。花粒期应根据土壤墒情适时灌溉和排涝。
 
  【田间管理】
 
  化学除草:播种时墒情较好,可在播种结束后均匀喷施40 %乙阿合剂3 000 mL/hm2~3 750 mL/hm2,或33 %二甲戊乐灵乳油100 mL+72 %都尔乳油75 mL,兑水50 L,在地表形成一层药膜。墒情差时,在玉米幼苗3叶~5 叶、杂草2叶~5叶期喷施4%烟嘧磺隆悬浮剂1 500 mL/hm2。机械作业应符合GB/T 17997和NY/T 1276的规定。
 
  病虫害防治:按照“预防为主,综合防治”的原则,根据当地玉米病虫害的发生规律,在苗期、穗期和花粒期合理选用药剂及用量,合理使用化学防治,有条件的,宜在玉米大喇叭口期至开花期将杀虫剂和杀菌剂混用,进行“一防双减”飞防作业。农药的使用应符合NY/T 1276的要求。最后一次施药到收获时的间隔天数应不少于农药的安全间隔期。宜采用自走式高地隙喷杆喷雾机或植保无人机施药,提高药液喷施的均匀性和对靶性。植保无人机作业质量应符合NY/T 3213的规定。
 
  收获:根据玉米成熟度适时进行收获作业,其成熟标志为籽粒乳线基本消失、基部黑层出现。采用籽粒收获,玉米籽粒含水量≤28 %,否则应采用摘穗收获。应选用割台行距、收获行数与玉米播种行距、播种行数相适应的收获机械。作业质量符合NY/T 1355的规定。宜采用带秸秆还田机的玉米收获机收获,或玉米收获后进行秸秆还田,秸秆粉碎长度≤10 cm,切碎合格率≥90 %,留茬高度≤8 cm;回收玉米秸秆时,宜使用穗茎兼收获机或捡拾打捆机。
 
  点击下方下载完整标准文本。
 
  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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