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The idea is that they kill pests, usually farm pests such as locusts, weevils, wasps, flies, aphids and so on. The problem is that they also injure or kill wild animals, farm animals, farmers and other people. Check out herbicide, insecticide, biocide, and vermicide.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoModern pesticides are not persistent in the environment since they are designed to disappear.
Wiki User
∙ 9y agoThey don't really benefit but reduce pest damage. Some would argue that benefit offset since many pesticides repel nature's pollinator's-bees.
Wiki User
∙ 8y agoThe purpose of pesticide is to prevent, destroy, repel or mitigate any pest.
Wiki User
∙ 10y ago- Eliminate the pests.
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How bio pesticides are beneficial over chemical pesticides?
It is supposed that biopesticides are not so dangerous for the environment as artificial pesticides.
Pesticides are what?
THE pesticides which donot pollute environment and decompose in to environmental friendly siple molecles.
How does herbicises and pesticides affects the environment?
Herbicides and pesticides affects the environment by helping the food yield from being affected by bugs. On the other hand, they adversely affect the environment and our health.
Are pesticides environmentaly friendly?
Yes, modern day pesticides are designed not to become part of the environment in the first place.
What is a form of technology used by farmers that is harmful to the environment?
Pesticides.
What has the author W G S Haddow written?
W. G. S. Haddow has written: 'Pesticides and the environment' -- subject(s): Bibliography, Environmental aspects of Pesticides, Pesticides
How might these genetically-engineered crops impact the environment?
They will help the environment by allowing farmers to use fewer pesticides.
Should chemical pesticides be banned?
Chemical pesticides harm the ecosystem, the environment, and could be harmful to humans; however, without them, we would not be able to produce enough food for the current population. The best alternative is to put more energy into finding natural pesticides (such as garlic oil) which don't harm the environment, but keep insects from ruining the crops, and to make those natural pesticides available before banning chemical pesticides.
Do natural or synthetic pesticides last longer?
Normally synthetic pesticides have a longer residual period. Most natural pesticides breakdown within 5 to 7 days - making them a safer option to the environment
How do persistent and non-persistent pesticides differ?
Non-persistent pesticides are compounds that break down quickly in the environment. Several different classes of pesticides make up this group: • Cholinesterase-inhibiting pesticides, which includes the organophosphates and carbamates • Chlorinated phenols • Herbicides • Pyrethroids • Fungicides • Repellents Non-persistent pesticides became widely used after persistent organochlorine pesticides were banned from manufacture and use in the United States in the 1970s. Non-persistent pesticides are less harmful to the environment because they do not build up but they have to be applied more often to households and crops to be effective.
Why should school serve organic food?
So children do not get unnecessary pesticides, and because schools are public institutions and purchase a lot of food, so farm workers do not get unnecessary pesticides, and the environment is not poisoned with unnecessary pesticides.
What is the third generation of pesticides?
The third generation of pesticides are made of chemicals that break down in the environment quickly, as compared to the second and first generation which were DDT and arsenate of lead respectively.
