促進緩苗 yishizheyangjiangwen。chuqiuqiwenrengjiaogao,shucaitianyaojiagaizheyangwang,fangzhigaowenqiangguangshichuyuhuanmiaoqideshucaishishuiweinian。ershibaozhengshidu。shucaihuanmiaoqixuyaoyoujiaogaodeshidu,dingzhihouyaojishijiaoshui,danshuiliangbunengguoda,yifangougen。sanshiqinhuachu。meicijiaoshuihoujishihuachu,zengjiaturangtouqixing,cujingenxizaofashenzha。sishiyufangmiaoqibinghai。shucaihuanmiaoqiyifashengbinghaichuxiansimiao,keyitiqianyongshajunjiguangenyufang。
控苗生長 蔬菜緩苗後生長迅速,要注意控水蹲苗,控製植株長勢。具體措施:加強通風、設置遮陽網,以降低棚溫,白天棚溫不超過30℃;控水控肥,底肥施用充足的田塊不再施肥,盡量減少澆水量和澆水次數。對已經發生徒長的田塊,可以噴施甲呱 或愛多收1.8%複硝酚鈉水劑,控製植株長勢,促進其生長健壯。
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