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雹災(zāi)后農(nóng)作物技術(shù)減損措施

2024-07-02 08:44:18 來(lái)源:鄂爾多斯市農(nóng)牧局 閱讀量:11471 評(píng)論

導(dǎo)讀:部分地區(qū)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(shù)措施,供受災(zāi)農(nóng)牧民、專業(yè)技術(shù)人員參考。

  【農(nóng)機(jī)網(wǎng) 科技創(chuàng)新】    近日我市部分地區(qū)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(shù)措施,供受災(zāi)農(nóng)牧民、專業(yè)技術(shù)人員參考。
 
  一、受害較輕地塊
 
  (一)排澇。雹災(zāi)導(dǎo)致積水地塊應(yīng)及時(shí)采取人工或機(jī)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(zāi)過(guò)后應(yīng)及時(shí)進(jìn)行人工或機(jī)械中耕,疏松土壤、降低土壤含水量、提升地溫,以促進(jìn)根系恢復(fù)性生長(zhǎng)。并及時(shí)剪去枯葉和被冰雹打碎的爛葉,使頂心似露未露,以促進(jìn)心葉發(fā)出。
 
  (三)病害預(yù)防。植株受到雹災(zāi)危害后,葉片和莖稈的受損傷口易受細(xì)菌、真菌等病原物侵染而引發(fā)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(shuō)明配置藥液整株噴霧1-2次,以減少病原物侵染。
 
  (四)及時(shí)追肥。雹災(zāi)過(guò)后應(yīng)及時(shí)調(diào)整受災(zāi)作物的施肥方案,提早追肥或增加一次機(jī)動(dòng)肥,追肥以氮肥為主搭配一定量鉀肥,同時(shí),配合根系追肥,可葉面噴施磷酸二氫鉀+尿素水+蕓苔素內(nèi)酯1-2次,以促進(jìn)后發(fā)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(shí)充實(shí)。
 
  二、受害較重地塊
 
  對(duì)雹災(zāi)嚴(yán)重?zé)o法挽回地塊,建議及時(shí)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(guò)除草劑毀種地塊須對(duì)地塊進(jìn)行深翻。
 
  請(qǐng)各旗區(qū)務(wù)必高度重視,因地制宜制定救災(zāi)指導(dǎo)意見,并第一時(shí)間組織相關(guān)專家、技術(shù)人員赴受災(zāi)現(xiàn)場(chǎng)開展減損技術(shù)服務(wù),最大限度減輕雹災(zāi)損失。同時(shí)在后續(xù)工作中,要注意加強(qiáng)對(duì)冰雹災(zāi)害的預(yù)警和響應(yīng),消災(zāi)于無(wú)形。
 
  來(lái)源:糧油作物站  種植業(yè)科
 
  作者:蘇偉、田步濤
 
  審核:苗春樂(lè)
 
  校對(duì):田步濤
 
  編輯:任必歆
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