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关注天气问题,做好各项农业工作

2018-06-12 15:19:31 来源:中国农机网整理发布 阅读量:43244 评论

导读:近日,第四号台风“艾云尼”强势来袭。受其影响,海南岛、广东等地有大到暴雨,同时还伴有雷电、雷暴大风等强对流天气。

  【中国农机网 市场行情】近日,第四号台风“艾云尼”强势来袭。受其影响,海南岛、广东等地有大到暴雨,同时还伴有雷电、雷暴大风等强对流天气。
 
  广东多地出现水浸街现象,雨水触电意外频发更是让人提心吊胆,在网络上引发众议。暴雨不仅给当地民众出行造成了困难,对于我们农业发展来说,更是影响重大。我们应该时时关注天气状况,及时做好应对工作。
 
  未来几天天气预报
 
  预计未来几天,西南地区东部、江南南部、华南等地自西向东将出现大到暴雨,局地大暴雨;上述部分地区还有短时强降水,局地有雷暴大风等强对流天气。同时,受冷涡系统影响,内蒙古东部、华北中北部、东北地区等地的部分地区将先后有中到大雨,局部地区有暴雨、雷暴大风或冰雹等强对流天气。
 
  另外,12-15日,华北南部、黄淮西部、陕西中南部等地有阶段性高温天气,尚未成熟的小麦可能出现热枯逼熟。
 
  气象条件对农业的影响
 
  北方气温偏高,分散性降水等因素都使得墒情适宜,气象条件利于春播作物幼苗生长、冬小麦灌浆成熟及夏玉米适时播种。
 
  江南、西南等地阴雨寡照天气不利于早稻拔节孕穗,也不利于一季稻返青分蘖、马铃薯开花。而受台风“艾云尼”影响,南方多地出现暴雨或大暴雨,台风带来的丰沛降水有效补充了前期降水偏少、库塘蓄水的不足,但也有可能造成农田被淹、影响早稻授粉结实等情况发生。
 
  另外,随着夏季的到来,气温逐渐升高,应做好高温热害预防工作。高温热害多发生在长江流域,在水稻抽穗扬花期会对花粉发育产生影响,使水稻开花授粉、受精不良。甚至还有可能缩短水稻灌浆期,导致水稻早熟,千粒重下降。对玉米、马铃薯等经济作物以及果树、林木也有不同程度的危害。
 
  农业生产工作有序展开
 
  各地应密切关注天气变化。北方正值小麦收割晾晒的关键时期,应避开降水时段,及时收晒小麦。同时,加强田间管理,适时中耕、施肥,合理灌溉,争取形成丰产群体。特别东北前期受旱地区应根据苗情、墒情,采取分级管理,促进作物苗情转化升级,以减轻干旱的不利影响。
 
  南方地区要做好灌溉防汛工作,抵御暴雨洪涝和渍害,同时预防水稻高温热害。也要注意农田水肥管理工作,促进水稻和春玉米等作物健壮生长。
 
  另外,病虫害监测及防治工作依然不能懈怠,尽量减少或避免病虫害对农作物带来的伤害。室外作业的农民或农机手也要做好防晒消暑工作,注意自身安全。
 
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