百草枯留入鱼塘对鱼有害吗
本篇经验会给全国农资人分解“百草枯留入鱼塘对鱼有害吗”的内容进行精确分析,期望对各位有几分帮助,下面开始阅读吧!

都是除草剂,草甘膦杀根,百草枯不杀根(一年生的嫩草也会死根,但多年生的以及比较老、大的草回重新抽芽);草甘膦见效较慢要3到5天,百草枯速效,有阳光的天气2小时就见效;百草枯是中等毒性,但没有特效解毒药,中毒后致死率高,水剂已禁止生产,2年后禁止**,草甘膦为低毒,很少见到致死的报告;至于谁更厉害,你指的是什么呢?
2、二甲四氯对鲈鱼的影响?二甲四氯钠属于水溶性的苯氧乙酸类阴离子消毒剂它一般是用于植物除草,和百草枯、草铵膦等阳离子除草剂作用相似,对鱼类和大多数微生物都有蓄积遗传毒性
3、牛蛙池长浮萍要处理吗?牛蛙池长浮萍要处理。
养殖池塘大多采用的土池,池塘埂滋生大量杂草,严重影响日常生产操作,而且杂草丛易躲藏天敌,给养殖的牛蛙带来严重危害。以前传统方法是使用除草醚、百草枯、草甘膦等除草剂,但其毒性较强,而且残留严重,对人、畜及养殖产品造成严重危害,我国已逐步开始禁止使用除草醚等除草剂,相信不久会有更多的除草剂将被禁止生产和**及使用。
拓展好文:百草枯对水生动物的毒性效应研究进展
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