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农机化技术推广典型案例之补短板 促全程 推进杂交水稻制种生产机械化全程全面发展

2023-11-15 09:44:10 来源:建宁县农机中心 阅读量:20209 评论

导读:建宁县通过推广制种母本机插技术和种子机械烘干技术,补齐了杂交水稻制种机械化生产短板,推进杂交水稻制种生产机械化全程全面发展。

  【农机网 地方农机】建宁县是全国最大的国家级杂交水稻制种基地县,县域内杂交水稻制种面积常年稳定在15万亩左右。该县通过推广制种母本机插技术和种子机械烘干技术,补齐了杂交水稻制种机械化生产短板,推进杂交水稻制种生产机械化全程全面发展。
 
  一、基本情况
 
  建宁县农机推广机构由建宁县农业机械推广中心(正科级)和建宁县农业机械服务中心(股级)两个农业农村局下属事业单位组成,共有人员编制9人,主要负责县域内农业机械新技术的试验、示范、推广和培训工作,制定全县各项农机化工作指导性指标和农机购机补贴政策并组织实施。建宁县是全国最大的国家级杂交水稻制种基地县,县域内杂交水稻制种面积常年稳定在15万亩左右,年产杂交水稻种子约3.5万吨,制种面积和产量均占全国的10%左右。近年来建宁县全面推进杂交水稻制种生产全程机械化,在耕、防、收、选等机械化水平较高的生产环节大力推广大中型、高效绿色环保机具,促进装备转型升级;在种植和烘干两个机械化生产薄弱环节不断引进新机具、新技术进行试验示范推广,补齐机械化生产短板,推进杂交水稻制种生产机械化全程全面高质量发展。
 
  二、主要做法
 
  (一)敢于探索创新,着力研发试验
 
  与传统的人工移栽相比,机械插秧存在育秧工序繁琐、物耗成本高等特点;与普通水稻种植相比,杂交水稻制种机插还需考虑父母本花期错期问题、父母本分开种植造成的无适插机型问题等。为了解决这些难题,2011年建宁县引进了首台宁波协力生产的XL2Z-10型插秧机进行试验示范,并在试验过程中不断提出改进方案以适应杂交水稻制种生产农艺要求,2013年该企业研发出制种母本专用的XL2Z-8型独轮乘坐式插秧机,该机具的投入使用解决了制种母本无机可用的现象,推动了该县母本机插的快速发展。2019年为了进一步提高机械插秧效率,该县农机部门与浙江星莱和有限公司协作配合,研发出星月神2ZG-8SJ型母本专用高速插秧机,与XL2Z-8型独轮乘坐式插秧机相比,该款机具效率提高了一倍以上,解决了农忙时节规模化种植机插时效性问题。
 
5寸8行母本专用插秧机
 
6寸8行母本专用插秧机
 
父母本同步机插(7寸7行高速插秧机)
 
  随着规模化经营和机械化收获水平的迅速提高,种子的收获期逐渐缩短,短时间内收获的大量种子光靠传统的人工晾晒显然是不现实的。且人工晾晒不仅耗时费力,还受自然天气的影响较大,遇到阴雨等恶劣天气时容易造成种子堆沤发霉,影响种子质量和发芽率。为了解决这一问题,2014年该县农机部门引导技术力量较强的合作社引进普通谷物烘干机,开展种子烘干试验示范。2016年该县通过对分布在全县各乡镇、村的烤烟房进行改造,示范推广利用烤烟房兼烘干种子技术,取得了种子烘干技术新的突破。2019年为了解决循环式谷物烘干机破碎率高、出粮不干净,密集式烤烟房烘干种子自动化程度低等问题,该县积极联合平床式谷物烘干机生产企业,对该企业生产的平床式谷物烘干机进行改良升级,研发了自装卸静态卧式烘干机并取得实用新型专利,该机具出粮干净、不易混种,非常适用于种子烘干,深受制种户喜爱,得到了有力推广。
 
烤烟房改造
 
  (二)农机农艺融合,着力标准生产
 
  在母本插秧技术试验示范过程中,该县积极与福建省农科院水稻所密切协作,对杂交水稻播种期、播种量、适插秧龄、适插机型、取秧量、插植深度、插植密度等农机农艺技术进行联合攻关,经过多年的优化和提升,形成一套比较完备的技术体系。2019年以来杂交水稻制种母本机插技术多次列入福建省农业主推技术目录。
 
  在市场上尚无种子专用烘干机可用的情况下,2014年该县农机部门引导技术力量较强的合作社引进普通谷物烘干机,开展种子烘干试验示范,并通过烘干温度调节、烘干时长控制等环节试验示范,摸索出种子烘干技术路线,为烘干技术在种子产业的推广应用奠定了基础。2016年通过农机农艺融合总结出密集烤房干燥水稻种子技术,该项技术也多次列入福建省农业主推技术目录。
 
  (三)政策扶持助力,着力提升服务
 
  为了推进母本机插技术的推广,试验示范初期建宁县对示范户给予免费提供秧盘、免费提供作业服务、免费叠加一份水稻保险等优惠政策,并对购买独轮乘坐式母本专用插秧机的农户给予1500元/台的累加补贴,对率先引进高速插秧机进行试验示范的三个合作社给予20000元/台累加补贴。在农业项目资金利用上也重点向机插秧推广倾斜,在2016-2018年实施的5个水稻生产全程机械化示范基地建设项目中,要求母本机插率达到100%,在粮食产能攻关、社会化服务体系等项目建设中,母本机插都排在首位,给予50-80元/亩的补助,通过这些政策的有力推动,建宁县杂交水稻制种母本机插技术得到广泛推广运用。
 
  为鼓励制种户推广使用密集式烤房烘干种子,建宁县政府制定了推广密集式烤房种子烘干技术资金补助实施方案,对已有烤烟房改造加装密集式烤房种子烘干器的示范户给予1000元/座的资金补助,对新建的谷物烘干床给予2万元/座的资金补助。2020年以来,该县充分利用种业发展专项资金,在全县范围内开展制种全程机械化服务示范点建设,对绿色高效智能创新型种子生产机具给予购机补助,大力推广自动化程度较高的自装卸静态卧式烘干机,进一步推进种子烘干机械化的发展。
 
自装卸静态卧式烘干机
 
  三、取得成效
 
  通过对母本机插技术、种子机械烘干技术的推广,补齐了杂交水稻制种生产机械化短板,2020年1月,建宁县被农业农村部认定为全国第四批率先基本实现主要农作物生产全程机械化示范县。2022年全县杂交水稻耕种收综合机械化水平达到82.5%,其中薄弱环节机械种植率达到51.5%,机械烘干率超过80%,为制种产业的稳步发展提供了有力支撑。
 
  (一)机插技术推广增效益
 
  该县目前共推广母本插秧机476台,与传统的手插相比,母本机插节本增效约150元/亩,近年来全县推广母本机插面积15万亩,共节本增效2250万元。而母本机插技术的推广有力的促进了制种面积的向外扩张,据统计目前该县农户外出承包耕地制种面积每年20万亩以上,推进国家种业进一步发展。
 
  (二)烘干技术推广解难题
 
  该县目前共拥有各类平床式烘干机(含自装卸静态卧式烘干机)141台套,建立了20台套以上烘干中心5个,这些烘干中心烘干吨位大,适合为制种大户、种业公司及周边制种户开展烘干服务;而改造的2600多座密集式烤烟房主要分布在全县各乡镇、村,方便农户就近烘干,减少了运输时间及成本,适合为附近小规模制种户提供烘干服务。全县基本形成了规模烘干以合作社烘干机群为主、小规模烘干以密集式烤烟房为主的格局。经测算目前全县烘干能力已达到378%,不仅可以满足本县烟叶、稻种烘干的需求,还可以利用农时季节差,为邻近的市县制种户提供烘干服务,既减少了制种户损失,又提高机具利用率增加收入。
 
  四、经验启示
 
  (一)创新驱动是根本
 
  鉴于杂交水稻制种产业独特的栽培模式,在育插秧和烘干两个环节与普通的水稻生产相比有较大的差异性,对作业机型的要求较为特殊。在没有可用的机具及技术路线情况下,该县敢于创新,不断试验示范新机具新技术,总结出可推广的技术路线,补齐了短板,促进杂交水稻制种全程机械化发展。
 
  (二)示范引领是关键
 
  在新机具新技术推广过程中,该县对当地有影响力的农机专业合作社进行分类指导、侧重点培育,充分发挥各合作社自身技术优势,建立典型示范片、示范点,并通过召开现场观摩演示会、培训会等形式,做给农民看,领着农民干,以点带面促进新机具新技术推广。
 
  (三)政策扶持是保障
 
  每项新机具新技术的推广,都需要政策资金扶持推动,该县在示范推广过程中,制定了一系列扶持政策,争取一切可利用的项目资金,为新机具新技术的推广提供有力保障。
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