Why are chemical pesticides considered harmful even though they kill insects pests that damage crops?

Why are chemical pesticides considered harmful even though they kill insects pests that damage crops?

Because insecticides are poisonous compounds, they may adversely affect other organisms besides harmful insects. When an insecticide is applied, much of it reaches the soil, and groundwater can become contaminated from direct application or runoff from treated areas.

Why Are pesticides harmful?

Pesticides are stored in your colon, where they slowly but surely poison the body. After countless studies, pesticides have been linked to cancer, Alzheimer’s Disease, ADHD, and even birth defects. Pesticides also have the potential to harm the nervous system, the reproductive system, and the endocrine system.

Why do farmers use harmful pesticides?

Synthetic pesticides are extensively used in agriculture to control harmful pests and prevent crop yield losses or product damage. Farmers are routinely exposed to high levels of pesticides, usually much greater than those of consumers.

What is the reason that pesticides should not be used to deal with pests in agriculture?

Firstly, the chemicals in the pesticides may build up as residues in the environment and in the soil which absorbs the chemicals. This reduces the quality of farm product. Secondly, pests can gradually become resistant to pesticides.

What are the harmful chemicals in pesticides?

These products contain some of the most harmful pesticide active ingredients still used today, including atrazine, paraquat, methyl bromide, chloropicrin, chlorpyrifos, abamectin, bifenthrin, oxamyl, tefluthrin, lambda-cyhalothrin and diphacinone. Most of the approved products are for widespread agricultural use.

Why do insecticides kill insects but not humans?

But they are not as toxic in mammals (including humans) because they work on a neural pathway that is more abundant in insects. Because these are natural compounds and because there are several species that kill different species of insects, these Bt insecticides have become very popular with organic farmers.

Why are chemical pesticides used?

Pesticides are chemical compounds that are used to kill pests, including insects, rodents, fungi and unwanted plants (weeds). Pesticides are used in public health to kill vectors of disease, such as mosquitoes, and in agriculture to kill pests that damage crops.

Why are pesticides used on crops?

Pesticides are used to control various pests and disease carriers, such as mosquitoes, ticks, rats and mice. Pesticides are used in agriculture to control weeds, insect infestation and diseases. Herbicides to kill or inhibit the growth of unwanted plants, also known as weeds. Insecticides to control insects.

What is the disadvantages of using chemical pesticides *?

On the other hand, the disadvantages to widespread pesticide use are significant. They include domestic animal contaminations and deaths, loss of natural antagonists to pests, pesticide resistance, Honeybee and pollination decline, losses to adjacent crops, fishery and bird losses, and contamination of groundwater.