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北京:种养加结合打造绿色可持续生态农业样板

———绿色又增产,高产又高效
2023-06-25 10:03:40 来源: 北京市农业机械试验鉴定推广站 阅读量:14220 评论

导读:有这样一套先进的机械装备助力,提高了各环节的作业效率,抢回了农时,也就实现了园区内的种养资源循环利用了。

  【农机网 地方农机】风吹麦浪夏收忙,机械轰隆满粮仓!在顺义区李遂镇,有这样一个园区,那里的粮食产量高、土壤地力肥、秸秆全利用、牛儿肉鲜美,在这个三夏农忙时节,让我们一起来看看这里有什么妙招吧。
 
  种养加结合发展模式为粮食增产提供支撑
 
  立足我市的农业资源禀赋和生产条件,如何在有限的土地上、在减少化肥等农业投入品等生产要素的条件下持续获得丰富的农副产品呢?关键在于种养加结合发展,提高单产水平。
 
  基于这个考虑,北京市农业机械试验鉴定推广站联合顺义区等市区两级农业部门在李遂镇打造了一个种养加结合示范区。这是一个由种植合作社、养殖合作社、农机合作社、农业废弃物处理企业组成的种养加结合、农业废弃物循环利用的生态农业园区。
 
  其中种植合作社种植冬小麦-夏玉米两茬作物,种植籽种小麦用来良种繁育,种植青贮玉米为养殖合作社提供优良的青贮饲料,小麦秸秆一部分还田肥料化利用改良土壤,另一部分被农业废弃物处理企业回收,与养殖粪便、其他农业有机废弃物一起好氧发酵加工制作有机肥,有机肥再回用于农田中培肥地力,实现了区域范围内种养加结合、农业废弃物全部协同处理资源化利用,并且改良了土壤培肥了地力,为粮食的稳产丰产提供了基础保障。
 
  北京市创新团队粮食作物团队种养结合技术研发岗位专家熊波介绍到,通过“良种、良机、良法、良制”的综合施策,在农业生产要素和生产投入不变甚至减少的情况下,即实现了粮食单产水平的提升,又解决了农业废弃物处理难的问题,达到了绿色又增产、高产又高效的目标。
 
  先进农机装备为粮食增产保供提供保障
 
  现在正是三夏农忙时节,即冬小麦夏收、玉米夏种、作物夏管,被农业人称为三夏。三夏时间短,抢收、抢种任务重,要想在冬小麦收获后实现秸秆粉碎还田,或捡拾打捆离田应用,在夏玉米播种前抢施有机肥就要有先进的农机装备来帮忙,园区配套的高质量小麦收获机可实现小麦收获的同时,将秸秆粉碎均匀的抛洒在农田里。
 
  小麦收获机后面作业的是小麦秸秆捡拾打捆机,对于秸秆还田量饱和的地块就进行秸秆捡拾打捆离田应用,该设备可实现粉碎的秸秆进行捡拾、打捆,作业效率高、打捆质量好、地面捡拾也干净,还有配套的秸秆捆捡拾堆垛车,没一会儿的功夫就都打捆装车完毕。
 
  接下来就是有机肥撒施作业,这就需要有机肥撒施设备大显身手了,该设备为液压推动系统匀速将箱体内的肥料推出,配合尾部的螺旋抛撒系统,实现有机肥的快速均匀撒施。经过实地检测,该设备行进方向撒肥均匀度较高,平均能达到90%左右,作业效率在20亩/小时,而人工撒施有机肥一天也就作业2-3亩地,省工效果十分明显,再配套一个高质量的玉米免耕播种机,完全不耽误夏玉米播种日期。
 
  有这样一套先进的机械装备助力,提高了各环节的作业效率,抢回了农时,也就实现了园区内的种养资源循环利用了。
 
  通过种养循环技术模式的探索,种养加循环平台的搭建,先进农机装备的配套,实现了区域内投入品减量化、生产清洁化、废弃物资源化发展目标,在提高粮食单产水平的基础上还培肥了地力,真正实现了“藏粮于地、藏粮于技”的目的。
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