As we all know, some radioactive materials may be absorbed and utilized by plants in the presence of soil, and plants may have radioactive hazards. The large accumulation of pesticides in the soil will have any harm to the soil and will not affect the plants.
First, the impact of pesticides on soil quality.
In long-term polluted soils, the soil is obviously acidic. The soil nutrients (nitrogen, phosphorus, potassium, etc.) decrease as the degree of pollution increases; the porosity of the soil becomes smaller, resulting in structural compaction of the soil.
Second, the impact of pesticides on soil organisms.
The abundance of soil animals is an important feature of fertile soil. Pesticides are the killers of pests, and they are not helpful to other beneficial insects and beneficial animals. Residues of pesticides in the soil will affect microorganisms in the soil, protozoa, and other arthropods such as armor, tiger, ant, spider, annelids, roe deer, mollusks, roe deer, linear animals, nematodes, etc. Produce varying degrees of harm. After 10 days of dimethoate application, the respiration of soil microorganisms was significantly reduced. In the soil contaminated with organophosphorus pesticides, the species and number of animal populations were significantly reduced.
Third, the impact of pesticides on crops.
Pesticides that remain in the soil are very detrimental to crop growth. Excessive abuse of herbicides or irrigation of farmland with wastewater containing high herbicidal doses can cause serious damage to crop growth. When the pesticide residues in the soil are large, the pesticide levels of the fruit crops are also higher, and whoever eats them will be unlucky.
For the sake of our earth, we suggest that we should use pesticides in small quantities, and biological pesticides will have more room for development in the future.
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