天气预报15天查询> 其他> 蔬菜生虫子怎么办

蔬菜生虫子怎么办

更新时间: 2020-09-17 00:00:00     

1、了解不同种类害虫的繁衍周期及高峰时间,选取合适的农药在幼虫高峰期进行大范围杀害即可大幅度降低害虫对蔬菜的危害,交替轮换复配用药,长期单一使用一种农药易使病菌或害虫产生抗药性。改变农药剂型,使用烟剂、粉尘剂,这些是保护蔬菜生产专用剂型;

2、及时清洁田园,降低田间湿度,一旦发现被害株残体、杂草集中沤肥或烧毁。发现植株叶面或茎上存有大范围虫卵时,及时摘取虫卵烧死。

关键词: 蔬菜 虫子 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-3308755/ | 耗时:0.2134 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=3308755 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3308755 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3308755 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(108727,116111,111001,109061,118502,127499,1061564,3045021,117423,2679748,1126430,2240491,121040,119585,3173665,1801842,121281,2564765,3158061,123052,3018907,117667,2154173,1062468,125500,124595,2953961,1993019,2274805,1070852) ORDER BY field (ArticleID,108727,116111,111001,109061,118502,127499,1061564,3045021,117423,2679748,1126430,2240491,121040,119585,3173665,1801842,121281,2564765,3158061,123052,3018907,117667,2154173,1062468,125500,124595,2953961,1993019,2274805,1070852)