龙铁叶片下垂的原因及解决方法

jinnianlai，longtieyinweiqizhuxingmeiguan，sijichanglverguangshoudazhongxiai，suizhujianzouruqianjiawanhu。henduorendoufanyinglongtiegangmaihuijiadeshihou，yepiandouhenhoushierqietingli，zhuxingshifenhaokan。danjingguoyiduanshijiandefangzhihou，faxianlongtiehenduoyepiankaishichuxianxiachuixianxiang，zaiyepianzhongjianbuweihaoxiangbeizheduanleyiban，zheishiweishenmeni？xiamianxiaobianjiujidajiajiangjianglongtieyepianxiachuideyuanyinjijiejuefangfa。

longtieyepianchuxianxiachuizheduanxianxiangdezhuyaoyuanyindazhiyouyixiasanzhongqingkuang，ji：

1、 zhangshijianquefaguangzhao

2、 quefei，yingyangbuzu

3、 jiaoshuitaiduo

zhenduiyishangsanzhongyuanyin，qiyouxiaodejiejuefangfashijianglongtiebandaoyouguangzhaodedifang，bingshiliangshiyixiejiafei，yinweijiafeikeshizhizhubiandegengjiajianzhuang。lingwai，shidangjianshaolongtiedejiaoshuiliang，zuodaojianganzaijiaoshui。tongguoshangshufangfa，henkuaijiukejiejuelongtieyepianxiachuidexianxiang。xiwangbenwenduiniyousuobangzhu。