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雹災后農作物技術減損措施

2024-07-02 08:44:18 來源：鄂爾多斯市農牧局 閱讀量：11489 評論

　　【農機網 科技創新】    近日我市部分地區玉米、馬鈴薯、向日葵、西瓜、辣椒等作物受到冰雹危害，為將損失降到最低，提出以下技術措施，供受災農牧民、專業技術人員參考。
 
　　一、受害較輕地塊
 
　　(一)排澇。雹災導致積水地塊應及時采取人工或機械措施排除田間積水，以防作物二次受害。
 
　　(二)中耕和剪葉。雹災過后應及時進行人工或機械中耕，疏松土壤、降低土壤含水量、提升地溫，以促進根系恢復性生長。并及時剪去枯葉和被冰雹打碎的爛葉，使頂心似露未露，以促進心葉發出。
 
　　(三)病害預防。植株受到雹災危害后，葉片和莖稈的受損傷口易受細菌、真菌等病原物侵染而引發病害，建議用中生菌素、菌毒清或其他有相似殺菌消毒功效的藥劑按照使用說明配置藥液整株噴霧1-2次，以減少病原物侵染。
 
　　(四)及時追肥。雹災過后應及時調整受災作物的施肥方案，提早追肥或增加一次機動肥，追肥以氮肥為主搭配一定量鉀肥，同時，配合根系追肥，可葉面噴施磷酸二氫鉀+尿素水+蕓苔素內酯1-2次，以促進后發葉片快速展開并形成較大的葉面積，提高植株的光合能力，保證籽粒灌漿、果實充實。
 
　　二、受害較重地塊
 
　　對雹災嚴重無法挽回地塊，建議及時毀種其他作物，目前生育期尚充足，可以選種早熟鮮食玉米、早熟向日葵、燕麥青飼料、蕎麥、大白菜、蔓菁等作物，如打過除草劑毀種地塊須對地塊進行深翻。
 
　　請各旗區務必高度重視，因地制宜制定救災指導意見，并第一時間組織相關專家、技術人員赴受災現場開展減損技術服務，最大限度減輕雹災損失。同時在后續工作中，要注意加強對冰雹災害的預警和響應，消災于無形。
 
　　來源：糧油作物站  種植業科
 
　　作者：蘇偉、田步濤
 
　　審核：苗春樂
 
　　校對：田步濤
 
　　編輯：任必歆

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