天气预报15天查询> 其他> 小叶黄杨叶子发黄怎么办

小叶黄杨叶子发黄怎么办

更新时间: 2020-07-04 00:00:00     

黄杨叶子变黄,视其发生特点,有以下几种情况:1、水黄:因浇水过勤引起,其特点是老叶无明显变化、幼叶变黄,此现象应立即控水。2、旱黄:因缺水、干旱引起,其特点是自下而上老叶先黄,若缺水时间稍长,则会全株黄叶,甚至死亡,应及时浇水;3、肥黄:因施肥过勤或浓度过高引起,特点是幼叶肥厚,有光泽,且凹凸不平,此时应控肥、中耕、浇水。4、饿黄:因肥料不足、施肥浓度偏低,且施肥间隔时间过长而引起,其特点为幼叶、嫩茎处先黄,如见此现象后不及时施肥,也会造成全株黄叶甚至死亡,对缺肥的花卉,切忌一次大量施用浓肥,以免造

关键词: 小叶 黄杨 叶子 发黄 怎么办

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-1418419/ | 耗时:0.9443 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1418419 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1418419 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1418419 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2827467,2411500,129460,495944,308787,2409212,2217400,1846039,2029727,1125586,302808,1091141,2472508,1117786,357401,1088593,3185556,2866577,2266534,2998625,2575859,1977951,1080187,2295530,192016,1922767,366184,2148570,108652,1632972) ORDER BY field (ArticleID,2827467,2411500,129460,495944,308787,2409212,2217400,1846039,2029727,1125586,302808,1091141,2472508,1117786,357401,1088593,3185556,2866577,2266534,2998625,2575859,1977951,1080187,2295530,192016,1922767,366184,2148570,108652,1632972)