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Excessive use of pesticides to kill insects is not scientific
In rural areas, many farmers who are trying to combat pests often lack proper knowledge about the pesticides they use. They are unaware of how to mix them correctly or how much to apply. Instead, they simply pour several pesticide bottle caps into a bucket of water, assuming that this is the right way to proceed. This practice is widespread and reflects a serious gap in understanding and education.
This situation is closely linked to the low level of education among farmers and the insufficient dissemination of pesticide-related knowledge. In the past, farmers were more familiar with common pesticide names, but with the removal of several highly toxic pesticides from the market—especially the five types of organophosphorus pesticides banned in 2007—newer, safer alternatives have emerged. However, these new products remain largely unknown to farmers, and many still don’t understand their proper usage. Even some pesticide dealers haven’t fully adapted. They fail to recognize the importance of phasing out toxic chemicals and often adopt a passive attitude, believing that farmers will always choose what they want, regardless of safety or effectiveness.
According to the China Pesticide Network, the lack of practical education on pesticide use has become a major blind spot. Government agencies issue official documents, but few actually engage with farmers directly. Meanwhile, dealers—who are in constant contact with farmers—often neglect their responsibility. Their mindset of self-interest and minimal effort has created a barrier to proper pesticide education.
Moreover, many pesticide sellers are not well-trained or knowledgeable. They lack the necessary skills and are indifferent to learning. Their approach is careless and unprofessional, focusing only on selling as much as possible. They believe that farmers just need to kill pests, so they encourage excessive use. Some even teach farmers to use multiple bottle caps per bucket of water, sometimes up to five or six, based on the size of the cap. This leads to overuse, which increases sales but also raises risks for the environment, crop health, and human safety.
Additionally, many farmers follow the dosage instructions on labels, but often find that the results are unsatisfactory. Pests may develop resistance, or manufacturers may exaggerate the effectiveness of their products. As a result, farmers tend to increase the dosage themselves, without understanding the long-term consequences. This habit further contributes to environmental pollution and health hazards.