天气预报15天查询> 其他> 西红柿的茎为什么会变黑

西红柿的茎为什么会变黑

更新时间: 2020-07-04 00:00:00     

西红柿的茎变黑有几下几点原因:

连作地,土质黏重、偏酸,土壤中积存的枯萎病菌较多。土壤中有一定量的线虫等地下害虫,病菌从害虫危害的伤口侵入根部危害。育种子带菌、育苗用的营养土带菌;或有机肥带菌,或有机肥没有充分腐熟,粪蛆危害根部,病菌从伤口侵入而危害。田块氮肥施用过多,磷、钾不足。连阴雨后或大雨过后骤然放晴,气温迅速升高;或时晴时雨、高温闷热天气导致。

关键词: 西红柿 为什么

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-3192781/ | 耗时:0.9246 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=3192781 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3192781 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3192781 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1068900,1298039,1089506,1097633,1048506,1087313,1071701,1105087,1088628,1075901,1105029,1066470,1078150,1065303,1092139,1062993,1081969,1093152,1094705,1091362,1077619,1081195,1127070,1045867,1100091,1087337,1088694,1077639,1102328,1078677) ORDER BY field (ArticleID,1068900,1298039,1089506,1097633,1048506,1087313,1071701,1105087,1088628,1075901,1105029,1066470,1078150,1065303,1092139,1062993,1081969,1093152,1094705,1091362,1077619,1081195,1127070,1045867,1100091,1087337,1088694,1077639,1102328,1078677)