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),晚(wan)霜(shuang)凍(dong)害(hai)最(zui)有(you)效(xiao)的(de)補(bu)救(jiu)措(cuo)施(shi)是(shi)澆(jiao)水(shui)。水(shui)澆(jiao)得(de)越(yue)足(zu),恢(hui)複(fu)生(sheng)長(chang)越(yue)快(kuai),成(cheng)穗(sui)質(zhi)量(liang)越(yue)高(gao)。澆(jiao)水(shui)的(de)質(zhi)量(liang)很(hen)重(zhong)要(yao),受(shou)凍(dong)後(hou)要(yao)立(li)即(ji)灌(guan)水(shui),而(er)且(qie)要(yao)充(chong)分(fen)澆(jiao)足(zu)、澆透,灌水方式最好采取畦灌。
donghouzhuifei。zaijiaotoushuideqingkuangxia,bushidanfeinenggouzengjiaxinshengfenniechengsuilv,zengjiameimuchengsuishu,danchengshuqituichi,qianlizhongjiaodi。tiaozhafaxian,yixieshangqingshaohao,donghoumeiyoujiaoshui,zhijinxingzhuifeidedikuai,donghoushengchanlihuifujiaocha,yuanyuanbibushangzhijiaoshuibuzhuifeidedikuai。shijianbiaoming,wanshuangdonghaidebujiubixuyishuiweizhu,bufeizhinengzuoweifuzhucuoshi。
手機版




