Pesticides can control crop diseases and insect pests. This is what you know, but do you know that pesticides can directly cause pests to multiply rapidly? The so-called water can also be used to carry boats. This is followed by a small series of Chinese pesticide nets . Let's have a look.
Humans have been fighting pests for nearly a century, but humans have not controlled the harm of "pest". More than one hundred years later, humanity did not give up the wrong route of killing pests, but went further and further. The mistake made by the West in the past is now repeated in China. Let us take a look at the following list of pesticides: potassium bromate, nitrofuran metabolite, dichlorvos, chlorothalonil, fenthion, phenbutyltin, glyphosate, diflubenzuron, mancozeb, DDT, enemy hundred Insect, chlorpyrifos, parathion, carbendazim, diazinon, fluvalfenate, phorate, carbaryl, metalaxyl, carbaryl, captan, dimethoate, flumethrin , permethrin, fenvalerate, alkyne, thiazolone, triazole tin, chlorpyrifos...
The above list is just the tip of the iceberg of the types of pesticides that may be in contact with our food. If you are not a professional, I believe many people are very strange to them... For the past six centuries, the "6-6" used in China. The pesticides reached 4 million tons, DDT more than 50 million tons, and 13.3 million hectares of contaminated farmland. China's annual pesticide use is 3.37 million tons, which is distributed to 1.3 billion people, which is 2.59 kilograms per person! Where are these pesticides going? In addition to a very small part (<10%) playing a role in insecticide, most of them have entered the ecology. surroundings.
What's more, pesticides are not only used in farmland, but also in forests, grasslands, deserts, and wetlands. They are densely populated urban residential communities and cannot escape the shadow of pesticides. If Carson lived to this day, she saw that humans use so many pesticides in such a large scale, then her "silent spring" title may be replaced by "Spring of Death." Large-scale, high-concentration, high-intensity use of pesticides , although temporarily controlled pests, but also accidentally injured many natural enemies of pests, destroying the natural ecological balance, causing a large number of pests and diseases that did not constitute serious harm in the past, such as red spiders, shells Insects, leafhoppers and various soil-borne diseases. In addition, pesticides can also directly cause pests to multiply rapidly. In the late 1980s, the southern farmland used methamidophos and triazophos to control rice planthoppers. As a result, the egg production of rice planthoppers was increased by more than 50%, and the rice planthoppers were again sputum after 7 to 10 days of treatment. The vicious circle caused by pesticides not only increases the cost of pest control, but also causes an increase in human and animal poisoning accidents.
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