二、zhongshibajiefei,zengjiasuili。bajieqidexiaomaisuifenhuajinruerlengqi,jiejianxunsushenchang,shishengzhishengchangyuyingyangshengchangbingjinshiqi,duiyingyangdexuqiuliangjiaoda。yinciyaozhongshibajiefei,jiangquanbushidanliangde50-60%於此期一次施入,一般每畝施尿素10-15公斤。拔節肥可以起到保穗數、增粒重的作用。對於群體過大的麥田,可以適當推遲施肥期,以加速小分蘖死亡。
三、根gen外wai追zhui肥fei,增zeng加jia粒li重zhong。抽chou穗sui灌guan漿jiang期qi是shi爭zheng取qu小xiao麥mai粒li數shu和he粒li重zhong的de重zhong要yao時shi期qi,應ying少shao施shi氮dan肥fei,補bu施shi磷lin肥fei,滿man足zu灌guan漿jiang所suo需xu水shui分fen,保bao葉ye護hu根gen,防fang止zhi倒dao伏fu。一yi般ban不bu再zai進jin行xing土tu壤rang施shi肥fei,以yi免mian造zao成cheng貪tan青qing遲chi熟shu,每mei畝mu可ke用yong磷lin酸suan二er氫qing鉀jia1-2千克加水葉麵噴施,或噴施鋅、錳等微肥液(活力素、豐力寶、豐產靈等),促進養分的合成與運輸,加快灌漿速度,增加粒重。
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