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已读[27] 发布: 2013/09/11 15:59:58
喷雾器清洗不彻底 喷洒除草剂的喷雾器,如果清洗不彻底再用于对蔬菜喷雾农药,残余除草剂易对蔬菜产生药害。 抗药性因素 不同蔬菜、不同品种、不同生育期对农药的...
已读[31] 发布: 2013/09/11 15:59:53
专业合作社法人等进行茶叶生产加工技术培训,推广茶叶病虫害无公害防治和无公害茶叶生产等绿色防控技术,提倡人工除草或机器除草,杜绝使用化学除草剂,科学施用化肥农药,从...
已读[33] 发布: 2013/09/11 15:59:48
大火之前刚喷洒 过除草剂,林地上杂草随之枯萎,一遇雨水枯草就能化入泥土,没想到却成了火势蔓延的“帮凶”。 徐先生表示,这场大火让公司蒙受较大损失,但他们在情理...
已读[34] 发布: 2013/09/11 15:59:44
化学除草剂草甘膦的除草原理是:喷洒杂草,被茎叶吸收,传到全株,抑制氮代谢酶,阻断氮代谢;氮代谢的终端产物是蛋白质,蛋白质是细胞的必需成分,阻断氮代谢,就阻断了...
已读[25] 发布: 2013/09/11 15:59:33
除草剂 袋 大纪元 县府建设处农林科表示,农药空袋注明2,4─D钠盐,这是一种植物生长激素,也是一种常见的系统性 除草剂 ,当植物的叶子快速吸收酯类时,根部会很快吸收盐类,经由生理的转移及累积会跑到芽或根等分生组织,植物就会死亡,简 ...
已读[26] 发布: 2013/09/11 15:58:53
除草剂 ? 搜狐 郏县农民张春花来电咨询:种植菠菜都可以选用哪些 除草剂 ,该如何使用? 省经作站专家:菠菜田间杂草主要有看麦娘、早熟禾、繁缕、雀舌草、猪殃殃等。可采用丁草胺、高效禾草丹等 除草剂 防除。 在菠菜播种前,每亩用90%高效禾 ...
已读[27] 发布: 2013/09/10 16:37:16
Appleton Post Crescent Randy Riesterer holds up a bunch of Baco Noir grapes growing on a vine in their vineyard called the Himmelgarten Vineyard located on their property off of Newton Road in Newton. Grape farmers in Wisconsin are facing a growing threat, and in many cases ...
已读[26] 发布: 2013/09/10 16:36:37
Agri News RESEARCH TRIANGLE PARK, N.C. — Through the On Target Application Academy training sessions, BASF and Bob Wolf, Wolf Consulting and Research , have educated tho...
已读[34] 发布: 2013/09/10 16:35:50
FarmersWeekly Growing a herbicide -resistant oilseed rape to overcome a severe charlock problem has enabled one grower to reintroduce the crop into his rotation after a...
已读[33] 发布: 2013/09/10 16:34:57
Pierce County Herald Grape farmers in Wisconsin are facing a growing threat, and in many cases it is coming from their own neighbors. Herbicides that are used to kill weeds in crops such as corn and soybeans can be deadly to other plants, including grapes. Food or wine ... 更多 »
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