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[137] 发布: 2013/05/11 15:27:27
关于菟丝子的防除,最便捷的方法为利用除草剂抑制菟丝子的生长或种子的发芽。可以防除菟丝子的化学药剂有:2,4-D(2,4-二氯苯氧乙酸)、dazomet(棉隆)、DCPA(敌草...
已读[45] 发布: 2013/05/10 18:13:37
在播种前5~7天,用48%氟乐灵乳油每亩120~150克,兑水30~50公斤对地表均匀喷雾,随即进行耙耢混土2~3厘米,注意混土不能过深以免造成药害。也可每亩使用33%...
已读[42] 发布: 2013/05/10 18:13:19
Ct Post When used in accordance with the manufacturers' recommendations, these products are absolute lifesavers, but I hesitate to use them, opting to heavy mulch instead. Trifluralin is the common ingredient and is sold under brand names like Preena and ... and more »
已读[392] 发布: 2013/05/10 15:27:10
除草剂药害及症状:包括生长受抑制、茎叶扭曲、节间缩短、叶片加厚、褪绿、白化、枯斑、畸形等等。如氟乐灵和乙草胺用于苗床除草,稍有不慎棉花就会受害。扑草净...
已读[268] 发布: 2013/05/08 15:25:37
除草剂 介绍 汉丰网 在气温较低的季节,为了使蔬菜提早上市卖个好价钱,近年来,常采用覆盖地膜的方法增温、保温来促进蔬菜早熟增产,同时应用药剂除草,起到省工增效的作用。但是,多年膜内化学除草的经验教训告诉我们,如果选用的 除草剂 品 ...
已读[37] 发布: 2013/05/07 17:19:40
The Land Newspaper The first product, BioAg Soil & Seed, was applied at 2 litres/ha at the same time as the spraying program, which used 1L of Trifluralin and 1L of Roundup. Another 2L/ha of BioAg Balance & Grow was applied at mid-tiller, again mixed in and applied at ... and more »
已读[69] 发布: 2013/05/06 20:51:06
这次欧盟加大了对氰戊菊酯、氯氰菊酯等菊酯类农药及丙溴磷、氟乐灵、三唑磷等10种农药的检查力度,业内认为势必会对茶叶出口欧盟造成影响,且其他贸易国可能参照欧盟...
已读[37] 发布: 2013/05/06 19:23:47
Michigan State University Extension An example of a pre-emergent herbicide, one that prevents weed seeds from germinating, is trifluralin (Preen). It can be used on a ...
已读[67] 发布: 2013/05/06 16:15:31
“其实这就可以看出,我国茶叶出口还需要大品牌、龙头企业来支撑。”该负责人表示...这次欧盟加大了对氰戊菊酯、氯氰菊酯等菊酯类农药及丙溴磷、氟乐灵、三唑磷等...
已读[97] 发布: 2013/05/06 15:32:46
Lincoln Journal Star Look for these chemical names among the active ingredients on the fertilizer bag: pendimethalin , balan (Benefin), betasan (Bensulide), prodiamine (Barricade) or Team, a combination of trifluralin and benefin. Remember, pre-emergence herbicides should ...
« 上一页  |   查看结果81-90共93   |  下一页 »

新闻标签:

没有标签


最新报告


求职招聘