误区一:含量越高就越好制剂中原药含量过高或者直接使用原药,一般会降低药效。农药药效大多是与助剂协同发挥的,比如提高附着、渗透等作用。廉价农药因为没有各种助剂加入,售价便宜,但影响效果,得不偿失,不应提倡。误区二:药效越快越好任何农药药效的发挥都有其自身规律,效果会有一定差别,但都有一个合理的范围。药效过快的产品,不 Misunderstanding one: the higher the content the better the preparation of the original drug content is too high or the direct use of the original drug, generally reduce the efficacy. Most of the pesticide efficacy and synergistic agents to play together, such as improving attachment, penetration and so on. Cheap pesticides because there is no variety of additives to join, the price is cheap, but the effect is worth the candle, it should not be advocated. Mistakes II: The sooner the better The effect of any pesticide have their own laws of efficacy, the effect will be a certain difference, but have a reasonable range. Efficacy products, no