天气预报 > 生产 > 尿素多大浓度能除草
尿素多大浓度能除草
更新时间: 2021-03-21 12:01:43  

1、尿素浓度为1~2%之间能除草。

2、尿素中的缩二脲能杀灭杂草。缩二脲是尿素生产过程中,处理不当产生的物质,又称双缩脲。但在实际尿素生产过程中,缩二脲是很难控制的,只要是尿素作为原料,通过高温生产的肥料都含有缩二脲。所以尿素浓度应控制在1~2%之间。

关键词: 尿素 浓度 除草

尿素多大浓度能除草相关经验

天气预报

最新推荐

页面:/news/view-793177/ | 耗时:0.4377 s | 内存:2.11 MB | 查询:5 | 缓存读取:3 写入:1 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=793177 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=793177 LIMIT 0,1
select * from tbl_Articles_sphinx where id=793177 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3185757,546268,1032489,2515727,2949156,1210114,1658819,3288181,1850776,3390171,3292944,1122556,1097416,2236103,1416183,804303,3495619,1917613,1095719,1166493,1010227,2606371,3214567,617531,684046,2271102,2451213,656283,3281639,2165117) ORDER BY field (ArticleID,3185757,546268,1032489,2515727,2949156,1210114,1658819,3288181,1850776,3390171,3292944,1122556,1097416,2236103,1416183,804303,3495619,1917613,1095719,1166493,1010227,2606371,3214567,617531,684046,2271102,2451213,656283,3281639,2165117)
SELECT * FROM tbl_categories where CategoryID=90028 LIMIT 0,1