A pesticide is a material used to kill or reject a pest. Pesticides have
disadvantages and advantages. They are able to restrain pests, but it can also
kill other organisms as well. Not only do they affect animals but they can
effect us, as humans.
A pesticide is a biological, physical, or chemical agent used to kill
plants or animals that are harmful to people. The name pesticide is generally
applied only to chemical agents. Examples of different pesticides are known
as, herbicides nematicides and rodenticides.
There has been concern regarding the effects of chemical pesticides on
human and on the environment.
The advantages of pesticides are; to improve crop quality and supply
and greatly improved Human health around the world. Pesticides improve
crop production and harvest productivity. Pesticides also prevent diseases
found in fresh fruits and vegetables as well.
Chemical pesticides now go through thorough and expensive test
before government registration and release. Pesticides sprayed onto crops can
be washed off. So it is very rare to get poisoned by vegetables you eat.
Poisonous and possible health effects have been verified.
New types of pesticides makes the use of herbicides or fertilizers
possible and there is no damage to the crops. Now many fruit and vegetable
growers use fewer pesticides to protect their crop from pests, so it is better
for the farmers health. With the use of pesticides more crops grow on our
land. The more crops we grow on our land, the more we can gain from
exporting our produce to other countries.
The disadvantages of using the pesticides are; for instant,pesticdes
cause a number of pollution problems through spray drift on to surrounding
areas direct contamination of users or the public and as residues on food.
"The World Health Organization" (WHO) estimated in 1999...