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關注天氣問題,做好各項農業工作

2018-06-12 15:19:31 來源:中國農機網整理發布 閱讀量:43519 評論

  【中國農機網 市場行情】近日,第四號臺風“艾云尼”強勢來襲。受其影響,海南島、廣東等地有大到暴雨,同時還伴有雷電、雷暴大風等強對流天氣。
 
  廣東多地出現水浸街現象,雨水觸電意外頻發更是讓人提心吊膽,在網絡上引發眾議。暴雨不僅給當地民眾出行造成了困難,對于我們農業發展來說,更是影響重大。我們應該時時關注天氣狀況,及時做好應對工作。
 
  未來幾天天氣預報
 
  預計未來幾天,西南地區東部、江南南部、華南等地自西向東將出現大到暴雨,局地大暴雨;上述部分地區還有短時強降水,局地有雷暴大風等強對流天氣。同時,受冷渦系統影響,內蒙古東部、華北中北部、東北地區等地的部分地區將先后有中到大雨,局部地區有暴雨、雷暴大風或冰雹等強對流天氣。
 
  另外,12-15日,華北南部、黃淮西部、陜西中南部等地有階段性高溫天氣,尚未成熟的小麥可能出現熱枯逼熟。
 
  氣象條件對農業的影響
 
  北方氣溫偏高,分散性降水等因素都使得墑情適宜,氣象條件利于春播作物幼苗生長、冬小麥灌漿成熟及夏玉米適時播種。
 
  江南、西南等地陰雨寡照天氣不利于早稻拔節孕穗,也不利于一季稻返青分蘗、馬鈴薯開花。而受臺風“艾云尼”影響,南方多地出現暴雨或大暴雨,臺風帶來的豐沛降水有效補充了前期降水偏少、庫塘蓄水的不足,但也有可能造成農田被淹、影響早稻授粉結實等情況發生。
 
  另外,隨著夏季的到來,氣溫逐漸升高,應做好高溫熱害預防工作。高溫熱害多發生在長江流域,在水稻抽穗揚花期會對花粉發育產生影響,使水稻開花授粉、受精不良。甚至還有可能縮短水稻灌漿期,導致水稻早熟,千粒重下降。對玉米、馬鈴薯等經濟作物以及果樹、林木也有不同程度的危害。
 
  農業生產工作有序展開
 
  各地應密切關注天氣變化。北方正值小麥收割晾曬的關鍵時期,應避開降水時段,及時收曬小麥。同時,加強田間管理,適時中耕、施肥,合理灌溉,爭取形成豐產群體。特別東北前期受旱地區應根據苗情、墑情,采取分級管理,促進作物苗情轉化升級,以減輕干旱的不利影響。
 
  南方地區要做好灌溉防汛工作,抵御暴雨洪澇和漬害,同時預防水稻高溫熱害。也要注意農田水肥管理工作,促進水稻和春玉米等作物健壯生長。
 
  另外,病蟲害監測及防治工作依然不能懈怠,盡量減少或避免病蟲害對農作物帶來的傷害。室外作業的農民或農機手也要做好防曬消暑工作,注意自身安全。
 
  此文由本網整理發布,如有侵權或異議請聯系我們。
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