天气预报15天查询> 生产> 莴笋叶发黄怎么办

莴笋叶发黄怎么办

更新时间: 2021-06-02 08:21:36     

1、叶片变黄的情况:积水,根系无法呼吸生长,导致叶片变黄。病害,比如霜霉病。虫害,螨类蓟马等虫害都会造成叶片发黄。缺素,缺镁、锌、铜、硼等中微量元素,都会造成叶片黄化。

2、所以要仔细观察,主要田间排水,要打药防病治虫,可以冲施微补根力钙+微补精力,磷钙同补,促进根系发育,叶片翠绿厚实;叶面喷施微补果力+微补碧力,叶片翠绿油亮。

关键词: 莴笋 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-398287/ | 耗时:0.2126 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=398287 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=398287 LIMIT 0,1
select * from tbl_Articles_sphinx where id=398287 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(82140,1377935,740193,615563,398287,3167224,708570,3194895,2411357,1549887,897007,3504699,1111533,830005,2749842,2922876,1213630,2099226,581165,3358534,782939,962810,1280057,1082516,693499,2538661,703810,3367263,415288,1857319) ORDER BY field (ArticleID,82140,1377935,740193,615563,398287,3167224,708570,3194895,2411357,1549887,897007,3504699,1111533,830005,2749842,2922876,1213630,2099226,581165,3358534,782939,962810,1280057,1082516,693499,2538661,703810,3367263,415288,1857319)