微门户首页  新闻  讨论区  活动  博客  求职招聘  行业报告  圈内成员  供应   
已读[67] 发布: 2013/05/29 15:26:44
AgraNet (subscription) Three neonics restricted in Europe, fipronil 'under suspicion'. Tuesday May 28 2013. Restrictions on the application of three neonicotinoid pesticides were made official by the European Commission Monday and a fourth pesticide came under suspicion by ...
已读[1152] 发布: 2013/05/29 13:35:02
从需求的数量来看,国内农药品种比重已呈现出多元化的走向,杀虫剂、杀菌剂、除草剂三大类农药品种比例在逐步调整,其中除草剂比重上升最快,杀虫剂比重将会下降,高效、...
已读[235] 发布: 2013/05/29 13:28:02
防治方法:防治棉苗蚜,每桶水加10%吡虫啉10克或15%啶虫脒10克均匀喷雾,防治伏蚜,每桶水加15%啶虫脒10克+2%阿维菌素15毫升+有机硅5克喷雾。 2、盲蝽蟓:...
已读[275] 发布: 2013/05/28 21:24:12
按药水比例1:1,注入高渗氧化乐果、氯胺磷、吡虫啉、氯胺磷等内吸剂,药量一般按胸径1厘米注药1毫升,注药后一定要用泥将孔口封死。此法比较适宜在城区和农村居民...
已读[69] 发布: 2013/05/28 21:01:25
Chicago Tribune Allectus is a broad spectrum product that also contains an insecticide called Bifenthrin . Allectus controls both subsurface and surface feeding insects in one application. Not only will you get rid of those nasty grubs, but you will also eliminate ...
已读[73] 发布: 2013/05/28 15:20:28
AgraNet (subscription) ... have major implications as a previous report by the agency on threats to bee health (see AE2549, 22.01.13) led the European executive last w...
已读[173] 发布: 2013/05/28 15:16:35
在基本没有枝叶的棉田,可先选用赤霉素、细胞分裂素、芸苔素内脂等促进植物生长的调节剂及时喷施,待长出枝叶后再加强叶面喷肥;对于受害较轻、枝叶保留较多的,可化学...
已读[435] 发布: 2013/05/28 13:35:15
10%吡虫啉20-30克+4.5%高效氯氰菊酯40-50毫升+99%磷酸二氢钾40克,配以适量的水喷洒;也可结合小麦中后期“一喷三防”同时进行(一喷:喷洒杀虫剂、杀菌剂和叶...
已读[1778] 发布: 2013/05/28 13:27:59
当棉叶螨有螨株率低于15%时挑治,超过15%时普治,可亩用有效成份阿维菌素1克或哒螨灵4克或噻螨酮3克或炔螨特30克或联苯菊酯10克。棉蓟马在棉苗移栽后被害株...
已读[1415] 发布: 2013/05/28 13:27:48
当棉叶螨有螨株率低于15%时挑治,超过15%时普治,可亩用有效成份阿维菌素1克或哒螨灵4克或噻螨酮3克或炔螨特30克或联苯菊酯10克。棉蓟马在棉苗移栽后被害株...
« 上一页  |   查看结果991-1000共1203   |  下一页 »

新闻标签:

没有标签


最新报告


求职招聘