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已读[978] 发布: 2013/06/07 02:57:42
作为中间体原料,其农药用途最为广泛,涉及杀虫剂、杀菌剂、除草剂、植物生长调节剂等农药品种,其所使用的吡啶约占全部消费量的50%,包括百草枯、敌草快、毒死蜱、...
已读[30] 发布: 2013/06/06 22:11:59
1.选用抗病品种,用呋喃丹或吡虫啉拌种。 2.玉米适期早播,尽量使玉米苗期避开灰飞虱、蓟马或蚜虫的活动盛期。 3.清除田间和田边杂草,消灭毒源和传毒昆虫,...
已读[32] 发布: 2013/06/06 22:11:52
大葱、洋葱、青蒜、蒜黄农药残留也很少。另外,近年来我国都广泛采用高效低毒、低残留的杀虫剂,如吡虫啉、吡虫清等等,所以不用太在意农药残留的问题。...
已读[104] 发布: 2013/06/06 22:11:34
PR Newswire UK (press release) Products containing one or more of the three active ingredients imidacloprid , thiamethoxam and clothianidin may no longer be applied from November 30th 2013 in domestic and allotment gardens across the entire European Union. The sale of these products ... and more »
已读[30] 发布: 2013/06/06 22:11:17
Moab Times Independent Young larvae can be controlled with insecticidal soaps and horticultural oils and older larvae and adults can be controlled with commercial chemicals such as acephate, carbaryl and likely imidacloprid . There are also organic biorational or botanical ...
已读[31] 发布: 2013/06/06 22:10:54
Yakima Herald-Republic A perusal of local grocery, garden and home improvement stores found imidacloprid , a neonic, is common in products sold by companies such as Bayer and Ortho. “You actually never see the word 'neonicotinoid' on the label; there are 128 different ...
已读[149] 发布: 2013/06/06 22:10:43
FoodNavigator.com Three of these pesticides , known as neonicotinoid pesticides (clothianidin, imidacloprid and thiamethoxam) are subject to an EU wide ban that is scheduled to begin no later than 1 July this year. EFSA has recently identified a fourth pesticide – BASF ... and more »
已读[116] 发布: 2013/06/06 22:10:31
FarmersWeekly But after reviewing the study, EFSA said the weaknesses it had identified would not alter EU-wide restrictions on three neonicotinoids from December - clot...
已读[651] 发布: 2013/06/06 16:57:03
预计未来三年增长分别为42%/31%/30%,维持“买入”评级。不考虑此次资产注入情况...含磷高分子聚合物的研究也在小试上取得有前景的进展4.公安部350号文扫除了聚氨...
已读[951] 发布: 2013/06/06 14:55:39
7月上中旬、8月中旬各喷一次杀菌剂(200~240倍倍量式波尔多液与50%多菌灵可湿性粉剂800倍液、70%甲基托布津可湿性粉剂1000倍交替使用)防止枣锈病和果实病害。 ...
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