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各县项目投资30万,山西省推广水肥一体化技术实施方案定了!

2022-06-08 14:36:37 来源:农机网整理发布 阅读量:32908 评论

导读:近日,山西省农业机械发展中心印发《水肥一体化技术试验示范项目实施方案》,要求大力发展节水农业,实施化肥使用量零增长行动,推广普及水肥一体化技术。

  【农机网 政策与标准】山西省位于黄土高原东部,境内地形复杂高低相关悬殊,土地面积1562.7万公顷,其中平原为308.2万公顷,山地和丘陵占土地面积的80.3% ;全省均为大陆性气候,是我国北方典型的半干旱区;地面水和地下水资源均缺乏,人均水资源占有量居全国倒数第二位。
 

 

  大力发展节水农业,实施化肥使用量零增长行动,推广普及水肥一体化技术,全面提升水资源和化肥利用率,是保障国家粮食安全、发展现代节水型农业、转变农业发展方式、促进农业可持续发展的必由之路。
 
  近日,山西省农业机械发展中心印发了粮食作物生产9个机械化新技术示范推广项目实施方案。其中,《水肥一体化技术试验示范项目实施方案》要求结合各地农业生产特点和需求,以水肥一体化技术试验示范工作为主要内容,促进农业可持续发展,提升山西省生态农业水平。
 
  资金使用计划:每个县项目资金30万元。其中,示范装备购置补助资金28万元(单系统补贴额不得超售价80%);示范点建设、试验示范物料购置、数据采集、技术培训观摩等推广活动2万元。
 
  主要工作内容:
 
  在晋源区、浑源县、怀仁市、新绛县、岚县五县(市、区)分别建立水肥一体化节本增效灌溉技术项目示范点各200亩。选型引进水肥一体化智能灌溉系统装备,示范点内进行物联网智能定时灌溉施肥、远程控制分区灌溉施肥、比例自主注肥、土壤气象监控等技术的应用示范,对引进设备进行技术试验,验证、完善水肥一体化技术规范。
 
  开展应用考核,做好水肥一体化节本增效灌溉技术作业成本核算工作。认真开展灌溉、施肥、施药等生产作业,做好节水、节肥、节药、节能和长势、产量诸方面的数据采集分析,核算机具作业成本(包括电费、人工、维护保养等环节),各环节成本主要包括人工、折旧、维修等费用,在此基础上分析作业成本,形成机具试验考核报告。
 
  适时开展示范、观摩及推广演示活动。
 
  主要技术内容及规范——水肥一体化技术根据作物需求,对农田水分和养分进行综合调控和一体化管理,以水促肥、实现水肥耦合,全面提升农田水肥利用效率。
 
  组成部分:水肥一体化系统一般包括供水系统、供肥系统和灌溉系统三部分。供水系统由蓄水池、水泵、管网、过滤系统及阀门组成;供肥系统由施肥机、肥料桶及阀门组成;灌溉系统由田间管网和灌溉器组成。
 
  灌溉方式:水肥一体化的灌水方式可采用管道灌溉、喷灌、微喷灌、泵加压滴灌、重力滴灌、渗灌、小管出流等。
 
  灌溉方法:灌溉施肥的程序分三个阶段:第一阶段,在水泵运行正常后缓慢开启水泵出水管道上的控制阀门,逐条冲洗管道并进行灌水;第二阶段,按照农艺要求根据设定好的程序,将肥料溶液经水肥机注入管道中施入作物根部土壤;第三阶段,用不含肥的水清洗灌溉系统,将管道中残留的肥液完全排除。
 
  注:本文由农机网(www.nongjx.com)整理发布,资料来源:山西省农业机械发展中心。
 
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