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山东省DB37/T 4527.2—2022《小麦-玉米全程机械化生产技术规程 第2部分:鲁西北黄灌区》

2023-06-12 15:04:46 来源:农机网整理发布 阅读量:36991 评论

导读:该标准规定了小麦-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。适用于鲁西北黄灌区小麦-玉米全程机械化生产。

  【农机网 政策与标准】小麦、玉米规模化生产的快速发展导致对全程机械化作业质量的要求越来越高。前期国家以及相关行业管理部门先后发布了小麦、玉米单个机械作业环节的质量要求的标准,但缺乏与之相匹配的农艺措施及全过程配套机械要求。
 
  鉴于此,为不断提高小麦、玉米生产最新农艺要求与农业机械的融合度,确保国家粮食安全。2022年6月30日,山东省市场监督管理局批准发布了DB37/T 4527.2—2022《小麦-玉米全程机械化生产技术规程 第2部分:鲁西北黄灌区》,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,由山东省农业科学院玉米研究所、山东省农业机械科学研究院、山东省农业科学院作物研究所、德州市农业农村局、山东省气候中心、齐河县农业农村局、山东齐力新农业服务有限公司起草。
 
  该标准规定了小麦-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。适用于鲁西北黄灌区小麦-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60 cm 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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