二、重zhong施shi拔ba節jie肥fei,增zeng加jia穗sui粒li。拔ba節jie期qi的de小xiao麥mai穗sui分fen化hua進jin入ru二er棱leng期qi,節jie間jian迅xun速su伸shen長chang,是shi生sheng殖zhi生sheng長chang與yu營ying養yang生sheng長chang並bing進jin時shi期qi,對dui營ying養yang的de需xu求qiu量liang較jiao大da。因yin此ci要yao重zhong施shi拔ba節jie肥fei,將jiang全quan部bu施shi氮dan量liang的de50-60%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、genwaizhuifei,zengjializhong。chousuiguanjiangqishizhengquxiaomailishuhelizhongdezhongyaoshiqi,yingshaoshidanfei,bushilinfei,manzuguanjiangsuoxushuifen,baoyehugen,fangzhidaofu。yibanbuzaijinxingturangshifei,yimianzaochengtanqingchishu,meimukeyonglinsuanerqingjia1-2千克加水葉麵噴施,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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