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什么才是实现农药大减量的秘密武器?

2018-09-06 16:36:43 来源:中国农机网原创 作者:林言 阅读量:50771 评论

导读:从“十三五”开始,农业农村部大力开展化肥农药使用量零增长行动以来,我国的化肥、农药使用总量均已呈现下降趋势,提前实现了到2020年化肥、农药使用量零增长的目标。其中,我国主要农作物病虫害绿色防控覆盖率达到25.2%,农药使用量连续几年下降,且目前主要粮食作物农药利用率为36.6%,比2013年提高了1.6个百分点。

  【中国农机网 编辑视角】 从“十三五”开始,农业农村部大力开展化肥农药使用量零增长行动以来,我国的化肥、农药使用总量均已呈现下降趋势,提前实现了到2020年化肥、农药使用量零增长的目标。其中,我国主要农作物病虫害绿色防控覆盖率达到25.2%,农药使用量连续几年下降,且目前主要粮食作物农药利用率为36.6%,比2013年提高了1.6个百分点。
 
  在我国农药使用量逐年减量的前提下,粮食产量却逐年丰收,这与近年来迅速发展的植保机械有着很大的关系,其中大型的地面植保装备——植保喷雾机功劳显著。
 
  喷杆喷雾机——大型农田植保的“御前侍卫”
 
  喷雾机按施用对象大体可以分为田间植保喷雾机和果园喷雾机,其中田间植保喷雾机以喷杆式喷雾机为主流,又细分为自走式、牵引式和悬挂式。
 
  自走式喷杆喷雾机具有机动性和方便性好、作业效率高等优点,与拖拉机配套机具相比,离地间隙较高,能满足棉花、大豆、油菜和玉米等作物生长中后期的病虫害防治需要。随着农业现代化的发展和生产经营方式的规模化发展,自走式喷杆喷雾机的前景广阔,目前主要在国有农场和大型农机合作社应用较多;牵引式和悬挂式喷杆喷雾机移动方便、喷幅宽、喷洒均匀、效率高,是一种理想的大田作物植保机械,在东北地区被广泛使用。

  总的来说,大型喷杆喷雾机效率高,每天可作业千余亩地,更适合大面积平原地区。尤其东北地区作为我国的重要粮仓,地域广阔、气候类型多样,耕地面积4.65亿亩,占全国耕地面积的22.9%。喷杆喷雾机是东北地区理想的大田作物植保机械,因此,在东北地区地区有着广阔的市场前景。
 
  技术落后二、三十年——向农业靠拢
 
  中国农业大学药械与施药技术研究中心主任、中国农业大学何雄奎教授曾坦言,我国喷杆式喷雾机和发达国家相比现状并不乐观,至少落后20~30年,主要是缺乏相关标准与技术作业规范,达不到欧美发达国家每一台喷杆喷雾机都能实现智能电控自动化作业的要求。何雄奎解释,从整体上来讲,我国植保机械性能和施药技术水平落后,无法满足当今农业生产和环境保护的要求,还需要进一步努力才能赶上发达国家水平。
 
  据了解,欧洲发达国家的喷杆式喷雾机每台机器上都安装了控制系统,而且药和水的配比是有标准可循的,这样可以实现均匀施药、变量施药,真正做到“农业”。近年来,我国植保喷雾机械发展的主要成就还是将农民从费时费力的人工打药作业中解放了出来,而未达到“作业”。
 
  当前,为适应我国农药“减量提效”的绿色农业发展目标,我国植保机械应从减轻劳动强度、提高作业效率向更加的方向发展,这也顺应我国农业向农业、智慧农业方向发展的目标。
 
  末尾小彩蛋
 
  植保喷雾机和植保无人机打起来啦!两机相争,你pick谁? 戳链接→农用植保领域的无人机和喷雾机,你pick哪种?
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