fujishibaoyuduofajijie,zhengzhiqiucaibozhongheyuexiashucaishengchangdeguanjianshiqi。cishidatianshucaishichangyinzaoshoubaoyuxiji,erdaozhichanlianghepinzhidafuxiajiang。rubozhongbujiuhaiweichumiaodeshucai,zaoshoubaoyuchongshuahou,zhongziyoudeluoludibiao,youdebeichongdaogoudi,daozhiquemiaoduanlong;生長幼小的菜苗,經過暴雨衝刷,幼根暴露的土壤外,經過太陽暴曬便出現萎蔫枯死;即便植株較大的蔬菜,暴雨過後也都會受到程度不同的損傷,因此,一定要做好蔬菜防治措施。
伏季蔬菜如何防治暴雨損害呢?對於剛播種蔬菜,播種後及時用草苫、稻草、遮陽網等覆蓋物遮蓋,這樣既可遮陰保墒,防止種子落幹,又能有效降低暴雨的衝刷,有利於“一播全苗”。暴bao雨yu過guo後hou迅xun速su排pai除chu田tian間jian積ji水shui,扶fu理li倒dao伏fu的de植zhi株zhu,用yong清qing水shui噴pen洗xi淨jing植zhi株zhu上shang的de泥ni土tu,以yi利li於yu光guang合he作zuo用yong的de進jin行xing,使shi植zhi株zhu盡jin快kuai恢hui複fu生sheng長chang。為wei了le促cu進jin受shou災zai蔬shu菜cai的de生sheng長chang,暴bao雨yu過guo後hou迅xun速su追zhui施shi速su效xiao肥fei,先xian葉ye麵mian噴pen施shi0.3%磷酸二氫鉀與1%尿素混合液一次,待土壤水分適宜時,再每畝土壤追施尿素6~8公斤。另外,加強中耕鬆土,撒施草木灰,噴施波爾多液等措施,對促進蔬菜健壯生長,預防病害發生,都有良好效果。
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