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疫情期間春季蔬菜機械化生產指導意見

2020-03-20 09:14:23 來源:農業農村部農機推廣與監理網 閱讀量:22073 評論

  【農機網 熱點關注】春季雨水多,氣溫回升起伏大,蔬菜進入生長盛期。同時,疫情期間受多種因素影響,蔬菜供需時常錯位。需要科學進行肥水運籌、溫光管理、植株調整,調控蔬菜生長、適時采收、及時補種,確保產量和品質。現就疫情期間春季蔬菜機械化生產提出以下指導意見,供各地蔬菜生產經營主體參考。
 
  1.不失時機抓好春季生產。按照分區分級差異化疫情防控要求,不失時機抓好春季生產,根據自身需求,積極參加線上、線下技術培訓和指導,選擇配置適用蔬菜生產機具,充分享受政府、企業和社會組織提供的公益性和社會化技術服務,合理使用農機,能下田、下好田,提高蔬菜生產效率。
 
  2.了解市場變化,保障均衡供應。充分利用現代信息網絡手段,及時獲取氣象、市場、農業等部門信息服務,了解掌握疫情期間春季蔬菜生產特點和市場供應狀況,做好農資準備,調整與落實好春季生產計劃,及時采收成熟蔬菜,適當擴種葉菜和速生蔬菜面積,合理規避風險,均衡穩定供應蔬菜。
 
  3.嚴格防疫、安全生產。在作業過程中要嚴格執行防疫規范,盡量采用機械化生產,減小作業人員密度。做好機具消毒,確保身體健康和生命安全,杜絕在蔬菜生產過程中傳播疫情。嚴格落實水、電、藥、肥、機等相關安全操作技術規范與保障措施,確保蔬菜安全生產和品質要求。
 
  4.各環節機械化生產要求
 
  (1)菜地準備。根據設施條件、前茬殘留作物種類及其處理方式,選配秸稈粉碎還田機、粉碎還田耕整機、殘膜回收機等,對前茬殘留物清除或處理作業。
 
  (2)施肥。根據設施條件、肥料種類及撒施方式,選用顆粒肥撒肥機、廄肥撒肥機、糞肥撒肥機等,在定植前施足基肥。
 
  (3)耕地。選用大棚王配套旋耕機械為主、微耕機為輔進行旋耕作業,滿足多種耕作需要。作業深度15—20cm,碎土率在90%以上,土地細碎平整。對于粘性土壤可作業兩遍。
 
  (4)整地。根據蔬菜品種、種植方式、農藝要求以及土壤類型,選用開溝機、起壟機、鋪膜機或起壟鋪膜復式機械等進行開溝、起壟(作畦)、壓實、鋪膜等作業。一般壟面寬度50—80cm,壟高15—25cm,溝寬大于20cm,壟面平整,壟行排列整齊。鋪膜膜邊覆土寬度5—10cm,覆土厚度3—5cm。
 
  (5)直播。根據蔬菜種子形態大小和農藝要求,選用電動(人力驅動)蔬菜精密直播機、機動蔬菜精密直播機或拖拉機懸掛蔬菜精密直播機進行蔬菜直播作業。
 
  (6)育苗播種。播前應選種和浸種。根據種子形狀大小、穴盤規格和農藝要求,選用半自動穴盤育苗播種機、全自動穴盤育苗播種機或全自動穴盤育苗播種流水線等設備進行播種作業,一穴一粒。
 
  (7)移栽。根據田塊條件和種植規模,選用全自動、半自動蔬菜移栽機進行田間定植作業,作業前根據當地農藝要求調整好株距、行距和栽植深度。
 
  (8)設施環境調控。結合天氣變化,及時調節溫室內環境,確保溫度、濕度、光照等條件滿足蔬菜生產需要。若需延期采收,可通過通風及減少覆蓋等措施,適當降低設施內的溫度,降低蔬菜生長速度,減緩成熟期。根據條件選配卷簾機、卷膜機、通風機、熱風爐、熱泵、濕簾、二氧化碳發生器、微噴系統、補光系統等環境調控設施設備。
 
  (9)肥水管理。隨著氣溫的回升,快速生長的蔬菜需要充足的肥水,要適時適量追施肥料,灌溉采取膜下暗灌或滴灌的方式進行,利于降低室內濕度,切忌大水漫灌。適當控水控肥,控制作物生長速度,可延緩成熟,使采收期延后。建議選用固定式、移動式噴滴灌設備、節水灌溉(水肥一體)系統,根據墑情和植株需求定量精準施肥灌溉。
 
  (10)病蟲害防治。在蔬菜定植前,采取物理、化學及生物綜合防治措施進行棚室殺蟲消毒處理。防病先降濕,采取通風降溫除濕等技術措施,預防病害發生。棚內化學防治建議選配電動(靜電)噴霧器、動力(靜電)噴霧機、熱煙霧機或常溫煙霧機(系統)等;物理防治建議選配臭氧發生器、殺蟲燈、吸蟲機、性誘捕器、誘蟲板等。
 
  (11)植株調整。番茄、黃瓜、辣椒等果菜類蔬菜在生長過程中要進行整枝打杈、支架綁蔓、摘葉束葉、疏花疏果、壓蔓。甘藍等結球蔬菜在生長后期應進行折葉。各類蔬菜要及時清除老葉、病葉、病株。根據條件選用吊蔓器具、修剪器具以及移動升降作業平臺等設備。
 
  (12)采收和運輸。蔬菜收獲及運輸勞動強度大,疫情期間勞動力短缺,盡量利用機械進行收獲和運輸。莖葉類蔬菜可采用割刀式收獲機將莖葉切割、輸送、裝箱,完成收獲作業;果菜類蔬菜可采用半機械方式收獲,利用收獲作業平臺,人工采收,將果實通過輸送裝置運送至集果箱。運輸建議選配專用蔬菜采收搬運機、電瓶車、箱式貨車、冷藏運輸車等。
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