番茄下部壓蔓主要是為了防止秧苗徒長,要早進行。一般在植株長至40厘米左右時進行。該次壓蔓可將植株下部20~30limidejingmanzhijieyadao,bingyongtuguding。zaiyizhiledingduanyoushideqiantixia,youchongfenliyonglefanqieyishengbudinggendetexing,zengjiagenxishuliang,zengdalezhizhuxishouyingyangdefanwei,gengliyuzhuangkedexingcheng。zhongbuyamanzhuyaoshiweiletiaojieyingyangshengchangyushengzhishengchangdepingheng,yibanzai3~4穗花時進行即可。該次壓蔓可將上部20厘米的莖蔓彎曲或者壓倒。除具有矮化植株、調節生長的作用外,該次壓蔓還可將植株調整在同一高度,使植株整齊劃一,利於管理。
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