collect more information about reason for avoiding the use of chemical pesticides
Answers
Pesticides led to numerous advances in many spheres of human life. However, it is necessary to know what the disadvantages of pesticides are. Pesticides embrace insecticides, herbicides, and fungicides. Pesticides suppress particular species of pests. These pests may comprise insects, rodents, plants, molds, and fungi. In farming, pesticides are applied on fruit and vegetables to raise yields. Pesticides are used in gardens and homes to destroy insects and weeds. At homes pesticides are used against flies, cockroaches, termites, and wood boring insects. Notwithstanding the beneficial effects of pesticides, they underwent serious reevaluation. Pesticides are toxic and can cause serious health problems. Professionals advocate for reasonable awareness to the dangers of pesticides.
What are the disadvantages of pesticides for environment?
Pesticides are detrimental for the environment and produce considerable damage to ecosystems. Insecticides and herbicides may be harmful for non-target species. Pesticides pollute air, water and soil. Carried by the wind, pesticide suspensions contaminate other areas. Pesticides affect considerably natural biological equilibrium. Pesticides diminish biodiversity, reduce nitrogen fixation, contribute to the disappearance of pollinators, threaten fish, and destroy bird and animal habitats. Pets may also become affected by strong pesticides.
What is pesticide resistance?
The use of some pesticides may contribute to the development of resistance among the target pests. Extensive herbicide use resulted in genetic modifications in some weeds with resistance to pesticide compounds. The use of the same herbicides in some areas for many years led to the development of immunity to the herbicides among targeted plant species. Resistance makes weed control considerably difficult.
What are the disadvantages of pesticides for health?
Particularities of working conditions expose some people to dangerous concentrations of pesticides. Farmers, pesticide applicators, veterinarians, forestry, horticultural, and park workers may contact with pesticides in their professional environment. Several millions of cases of pesticide poisoning are registered every year. Risks of poisoning depend on toxicity, dose, period of exposure, and sensitivity. Pesticides may cause neurological and psychiatric complications, brain tumors, cancers, spontaneous abortions, stillbirths, and birth defects. Pesticide exposure is damaging to the immune system. The endocrine system is particularly sensitive to pesticides. Many pesticides are endocrine disrupters and can produce detrimental effect upon hormonal balance of human body.