马蹄莲叶子发黄的原因：
1、浇水过多
matilianxishi，congchuyajiubunengqueshui，yimeitianjiao，danjiaoshuiguoduo，huidaozhichuxianyezifahuangqingkuang。jiejuefangfa：matilianjiaoshuiyaojianganjijiao，jiaozejiaotou，qiejiguoduo。
2、浇水过少
matilianshishishenghuahui，ganhanqueshuiyerongyizaochengyepianfahuang。jiejuefangfa：yaozhuyibaochijiaoshui，baochichongzushuifen，danyeyaozhuyibimianyexinshuishi，yimianyinqiruanfubing。
3、湿度过低
matilianshengzhangduikongqishiduyouyidingyaoqiu，kongqishidukongzhizai70-85%zhijianweiyi，diyu50%shiyepianyehuiyoufahuangdexianxiang。jiejuefangfa：yaojingchangjiaoshui、penshui，baochipentujihuanjingshirun，shidutongfengbaochikongqiqingxinliutong。
4、施肥过多
matilianshifeiguoduohuizaochengnongfeishaogen，zheishizuichangjiandematilianyezifahuangyuanyin。jiejuefangfa：matilianshifeiyaogenjushengzhangqishidangshifei。
5、施肥过少
matilianhaofei，feiliangguoshaohuiyinqiyezifahuang。jiejuefangfa：yibanmeige10~15tianshifushuyefeiyici，kaihuaqijianyishilinfeiweizhu。
6、温度过低
matilianyangzhiyaozhuyiwendu，wenduzhangwozai20-25℃zhijianweiyi，pahanleng，jiyanjian,dongjiyejianbukediyu10℃，guogaohuoguodizhizhuyichuxianhuangyexianxiang。jiejuefangfa：wenduguodishiyaozhuyiyirushineibaowen。
7、烟熏
matilianyishouyanshanghai，jingchangshouyanxunhuiyinqiyefahuang，yingxiangkaihua。jiejuefangfa：matilianyangzhiyaozhuyikongqihuanjingwenti，yaozhuyiliutongkongqi，fangzhiyanxun。
matilianyezifahuangshimatilianyangzhizhongbijiaochangjiandeyigewenti，yuanyinyebijiaoduo，matilianchangjiandeyezifahuangyuanyinjijiejuefangfaxiaobiandouhuizongjidajiale，xiwangduidajiayangzhimatilianyousuobangzhu。
