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安徽:免耕播种机作业技术规程详情解读

2022-04-12 09:12:29 来源:农机网整理发布 阅读量:24654 评论

导读:随着近年来国家大力倡导保护性耕作技术以来,大大提高了免耕播种机的市场需求量。各地区开始制定与实施相关作业技术规程,以促进行业健康发展。以下为安徽省现行相关地方标准:

  【农机网 政策与标准】机械化保护性耕作是对农田实行免耕、少耕,尽可能减少对土壤耕作(减少到种子能够出苗即可),并用作物秸秆覆盖地表,减少土壤风蚀、水蚀,提高土壤肥力和抗旱能力的一项先进农业耕作技术。随着近年来国家大力倡导保护性耕作技术以来,大大提高了免耕播种机的市场需求量。各地区开始制定与实施相关作业技术规程,以促进行业健康发展。以下为安徽省现行相关地方标准:

  标准编号:DB34/T 3869-2021
 
  标准名称:砂姜黑土地区秸秆全量覆盖地麦玉免耕播种机械化作业技术规程
 
  起草单位:安徽农业大学、安徽省农业机械技术推广总站、蒙城育田机械有限公司。
 
  批准发布部门:安徽省市场监督管理局
 
  实施日期:2021年2月25日
 
  本标准规定了砂姜黑土地区秸秆全量覆盖地麦玉免耕播种机械化作业的小麦秸秆全量覆盖还田玉米免耕播种机械化作业技术规程、玉米秸秆全量覆盖还田小麦免(少)耕播种机械化作业技术规程。适用于砂姜黑土地区秸秆还田下麦玉免耕机械化播种作业。
 
  玉米秸秆还田处理:玉米秸秆全量覆盖还田,留茬高度≤20 cm,秸秆粉碎长度≤10 cm,且以玉米秸秆撕裂状为宜, 秸秆粉碎长度合格率≥90%,抛撒(铺放)不均匀率≤20%。玉米进入完熟期,采用配带秸秆粉碎装置的玉米联合收割机收获作业,若未配带粉碎装置的需另外单独采用秸秆粉碎还田机进行作业,其作业质量应符合 NY/T 2090 的规定。
 
  种子处理:小麦品种选用当地农业部门推广适宜砂姜黑土地区机械化作业的优良品种,种子质量应符合 GB 4404.1 的规定。小麦播种前用保护性杀菌剂进行拌种,拌种要均匀,拌种后闷种 20~24 h。
 
  田块要求:麦玉周年秸秆还田下播种小麦时,间隔 2~3 年内进行深松(翻)田块,选择土壤墒情适宜下播种。
 
  小麦免(少)耕播种机选择:选用带状旋耕施肥复式播种机,一次性完成条带旋耕、施肥、播种、覆土、镇压等工序。小麦免(少)耕播种机的性能指标应符合 GB/T 9478 的规定;小麦免(少)耕播种机作业质量指标应符合 NY/T 1411 的规定。
 
  小麦免(少)耕播种作业要求:砂姜黑土地区小麦适宜播种期为10月中旬(日均温度 15℃)。在玉米收获后土壤墒情适宜情况下,适时抢墒播种;墒情不足的情况下,及时浇水补墒播种。
 
  采用有机肥与无机肥,氮、磷、钾、微肥配施,施肥质量应符合 NY/T 1003 的规定。侧位深施肥,基肥做到肥、种分离,肥料施于种子侧 3 cm~5 cm、种下 5 cm~8 cm 处。小麦免(少)耕条播,播种量为 10.0 kg~12.5 kg/667m2 为宜,迟于播种适期的田块,要适当增加播种量,苗期若有播种断条的地块,要及时补苗,确保苗全。结合播种环节实施田间封闭除草,药液用量和施用方法按照相关植保要求进行。
 
  详细内容可点击下方下载以上标准完整文件。
 
  注:本文由农机网(www.nongjx.com)整理发布,资料来源:全国标准信息公共服务平台。
 
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