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各縣項目投資30萬,山西省推廣水肥一體化技術實施方案定了!

2022-06-08 14:36:37 來源:農機網整理發布 閱讀量:33243 評論

  【農機網 政策與標準】山西省位于黃土高原東部,境內地形復雜高低相關懸殊,土地面積1562.7萬公頃,其中平原為308.2萬公頃,山地和丘陵占土地面積的80.3% ;全省均為大陸性氣候,是我國北方典型的半干旱區;地面水和地下水資源均缺乏,人均水資源占有量居全國倒數第二位。
 

 

  大力發展節水農業,實施化肥使用量零增長行動,推廣普及水肥一體化技術,全面提升水資源和化肥利用率,是保障國家糧食安全、發展現代節水型農業、轉變農業發展方式、促進農業可持續發展的必由之路。
 
  近日,山西省農業機械發展中心印發了糧食作物生產9個機械化新技術示范推廣項目實施方案。其中,《水肥一體化技術試驗示范項目實施方案》要求結合各地農業生產特點和需求,以水肥一體化技術試驗示范工作為主要內容,促進農業可持續發展,提升山西省生態農業水平。
 
  資金使用計劃:每個縣項目資金30萬元。其中,示范裝備購置補助資金28萬元(單系統補貼額不得超售價80%);示范點建設、試驗示范物料購置、數據采集、技術培訓觀摩等推廣活動2萬元。
 
  主要工作內容:
 
  在晉源區、渾源縣、懷仁市、新絳縣、嵐縣五縣(市、區)分別建立水肥一體化節本增效灌溉技術項目示范點各200畝。選型引進水肥一體化智能灌溉系統裝備,示范點內進行物聯網智能定時灌溉施肥、遠程控制分區灌溉施肥、比例自主注肥、土壤氣象監控等技術的應用示范,對引進設備進行技術試驗,驗證、完善水肥一體化技術規范。
 
  開展應用考核,做好水肥一體化節本增效灌溉技術作業成本核算工作。認真開展灌溉、施肥、施藥等生產作業,做好節水、節肥、節藥、節能和長勢、產量諸方面的數據采集分析,核算機具作業成本(包括電費、人工、維護保養等環節),各環節成本主要包括人工、折舊、維修等費用,在此基礎上分析作業成本,形成機具試驗考核報告。
 
  適時開展示范、觀摩及推廣演示活動。
 
  主要技術內容及規范——水肥一體化技術根據作物需求,對農田水分和養分進行綜合調控和一體化管理,以水促肥、實現水肥耦合,全面提升農田水肥利用效率。
 
  組成部分:水肥一體化系統一般包括供水系統、供肥系統和灌溉系統三部分。供水系統由蓄水池、水泵、管網、過濾系統及閥門組成;供肥系統由施肥機、肥料桶及閥門組成;灌溉系統由田間管網和灌溉器組成。
 
  灌溉方式:水肥一體化的灌水方式可采用管道灌溉、噴灌、微噴灌、泵加壓滴灌、重力滴灌、滲灌、小管出流等。
 
  灌溉方法:灌溉施肥的程序分三個階段:第一階段,在水泵運行正常后緩慢開啟水泵出水管道上的控制閥門,逐條沖洗管道并進行灌水;第二階段,按照農藝要求根據設定好的程序,將肥料溶液經水肥機注入管道中施入作物根部土壤;第三階段,用不含肥的水清洗灌溉系統,將管道中殘留的肥液完全排除。
 
  注:本文由農機網(www.goodqmj.com)整理發布,資料來源:山西省農業機械發展中心。
 
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