天气预报15天查询> 其他> 番茄叶子变紫色怎么办

番茄叶子变紫色怎么办

更新时间: 2020-09-27 00:00:00     

番茄叶子变紫色的两种原因:

1、幼苗缺磷,下部叶变绿紫色,并逐渐向上部叶扩展,施加使用磷酸二氢钾肥,增加土壤中的磷元素含量,改善作物缺磷情况;

2、低温,低温导致作物发紫,可以增加大棚内温度,保持温度为番茄适合范围;

3、施肥和提高温度共同作用,使番茄叶子变紫情况更快改善。

关键词: 番茄 叶子 紫色 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-2412739/ | 耗时:0.2350 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=2412739 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2412739 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2412739 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2000016,2614977,3301383,1355674,2609138,1095237,1109288,1101603,1938050,2823261,3078708,1125195,1075823,1125440,2344263,2799777,1376720,1447180,158691,186121,1705568,3192218,1969844,1937316,468677,1061944,1928658,1071271,1092844,1113972) ORDER BY field (ArticleID,2000016,2614977,3301383,1355674,2609138,1095237,1109288,1101603,1938050,2823261,3078708,1125195,1075823,1125440,2344263,2799777,1376720,1447180,158691,186121,1705568,3192218,1969844,1937316,468677,1061944,1928658,1071271,1092844,1113972)