凍後灌水。澆水是補救晚霜凍害的關鍵措施。補救凍害麥田，必須講究灌水質量，凍後要立即灌足灌透。大麵積多點調查表明， 在天氣幹旱的情況下(包括土壤墒情不太差的麥田)，wanshuangdonghaizuiyouxiaodebujiucuoshishijiaoshui。shuijiaodeyuezu
，huifushengchangyuekuai，chengsuizhiliangyuegao。jiaoshuidezhilianghenzhongyao，shoudonghouyaolijiguanshui，erqieyaochongfenjiaozu
、澆透，灌水方式最好采取畦灌。

凍dong後hou追zhui肥fei。在zai澆jiao透tou水shui的de情qing況kuang下xia，補bu施shi氮dan肥fei能neng夠gou增zeng加jia新xin生sheng分fen蘖nie成cheng穗sui率lv
，增zeng加jia每mei畝mu成cheng穗sui數shu
，但dan成cheng熟shu期qi推tui遲chi，千qian粒li重zhong較jiao低di。調tiao查zha發fa現xian，一yi些xie墒shang情qing稍shao好hao，凍dong後hou沒mei有you澆jiao水shui，隻zhi進jin行xing追zhui肥fei的de地di塊kuai，凍dong後hou生sheng產chan力li恢hui複fu較jiao差cha
，遠yuan遠yuan比bi不bu上shang隻zhi澆jiao水shui不bu追zhui肥fei的de地di塊kuai。實shi踐jian表biao明ming，晚wan霜shuang凍dong害hai的de補bu救jiu必bi須xu以yi水shui為wei主zhu，補bu肥fei隻zhi能neng作zuo為wei輔fu助zhu措cuo施shi。