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山西省农业农村厅关于做好倒春寒天气应对工作的紧急通知

2024-03-22 09:18:05 来源:山西省农业农村厅 阅读量:19251 评论

导读:春分已过,当前正值春季农业生产的关键时期,桃、杏、梨等果树正在陆续开花,冬小麦从南到北进入起身拔节期。

  【农机网 地方农机】 春分已过,当前正值春季农业生产的关键时期,桃、杏、梨等果树正在陆续开花,冬小麦从南到北进入起身拔节期。据省气象局预报,3月27-28日将出现大风降温天气,3月28日凌晨长治大部、临汾大部最低气温降至0℃左右;4月1-5日过程降温6℃,南部最低气温接近0℃;4月7-8日过程降温4℃,南部最低气温在1℃以上。突然的“倒春寒”天气可能对花期林果和苗期农作物造成冻害,使春播春管受阻。根据省委农村工作领导小组“倒春寒”专题工作会议要求,为切实做好“倒春寒”防范工作,减轻对农业生产的不利影响,现就有关事项通知如下:
 
  一、强化政治站位。各地要深入贯彻落实习近平总书记对春耕备耕工作的重要指示精神,贯彻落实全国春季农业生产暨防灾减灾救灾工作会议精神,充分认识“倒春寒”天气防御工作的重要性,把“倒春寒”防范作为保障农民增产增收的具体举措,切实增强责任感和紧迫感,坚决克服麻痹思想和侥幸心理,加强组织领导,强化责任担当,周密部署、积极应对,落实好防灾减灾措施,最大限度减轻“倒春寒”影响和损失。
 
  二、强化预警会商。各地要积极主动做好预警预报和防范应对工作,农业农村部门要密切关注天气变化,及时与气象部门沟通会商,分析“倒春寒”天气对农业生产影响,提出针对性措施。要充分利用手机短信、广播电视、互联网等灵活多样的渠道,第一时间将“倒春寒”预警信息和防范措施传达到县乡到农村,通知到广大农户和生产主体,提前做好防范准备,增强主动避灾、科学防灾意识。
 
  三、强化分区防范。各地要坚持预防为主,全面摸清本地“倒春寒”发生的时间、频次和强度,结合果菜等作物开花、坐果时间,以县为单位制定“倒春寒”防范方案,对于县域地形、气候条件复杂的县(市、区),可一乡一策、一村一策、一地一策、一主体(规模主体)一策,提高“倒春寒”防范精准性、及时性。
 
  四、强化分类施策。针对不同作物采取不同的“倒春寒”防范措施。对于果园,在霜冻来临前2~3天,对树体喷施防冻液(0.3%的磷酸二氢钾+0.3%尿素或布芸苔素等营养液),增强树体对低温的抗性;在霜冻来临前一天下午或傍晚对树体连续喷水,防止降温过快;冻害来临前利用锯末、麦糠、碎秸秆或果园杂草落叶等交互堆积作燃料,在果园上风口处堆放后,上压薄土层或使用发烟剂(2份硝铵,7份锯末,1份柴油充分混合,用纸筒包装,外加防潮膜),当气温低于-1℃开始点燃发烟,以暗火浓烟为宜,使烟雾弥漫整个果园,一般每亩果园4—6堆;有条件的地方可在果园上空使用大功率鼓风机搅动空气,吹散凝集的冷空气。针对蔬菜,设施蔬菜采取棚膜外加盖草苫或无纺布,棚膜内多层覆盖等保温措施,防止冻害;露地蔬菜可叶面喷施蔬菜防冻剂,田间加盖小拱棚、铺设地膜进行防寒。针对冬小麦,可在“倒春寒”来临前,组织农户因地制宜追肥浇水,划锄镇压,喷施化控剂,调节近地面小气候,减轻降温对小麦植株的影响。
 
  五、强化指导服务。加强防“倒春寒”技术指导和服务,组织小麦、园艺、畜牧等有关专家和农技人员深入生产一线开展技术指导,组织乡镇、村干部动员农户落实熏烟、灌水等有效防措施。加强“倒春寒”后生产指导,组织农户对受冻果树追施果树专用肥或喷施 0.3%~0.5%尿素及其他肥料,加强养分管理,及时浅锄松土促进根系生长,加强花果管理,做好人工授粉或蜜蜂、壁蜂授粉,及时防治病虫害。对受冻蔬菜,合理追施速效肥、喷施叶面肥,增强植株耐寒抗冻能力,促进恢复生长,剪除受冻组织、防止次生病害发生。对受冻麦田,在气温开始回升后,结合浇水亩施尿素7.5-10公斤,或叶面喷施植物生长调节剂,促进小蘖赶大蘖、大蘖多成穗,精准防控小麦锈病、蚜虫等病虫。
 
  六、强化灾情监测。各地要强化调度值守,加强与各类生产主体联系,及时掌握降温对农业生产的影响。主动收集、整理、核实倒春寒对农业生产的影响和灾情发生情况。一旦发生灾情,要及时上报,立即采取应急措施。积极协调保险部门跟进、查勘、理赔,切实发挥好保险保障作用,努力减轻灾害损失。寒潮过后要及时追施氮肥、喷施叶面肥和生长调节剂,减轻冻害影响。
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