We
know that in the field of agriculture can not be separated from pesticides.
Pesticides are chemical substances used to control or kill the crop pests, such as worm, insect, rice pests,
etc. Pesticide usually is sprayed by farmers to their crops. Period in spraying
of pesticides depends on the type of plants. It can be said that the pesticides
have many benefits, which is faster in killing pests, but it doesn’t mean that
the use of pesticides has no bad impact. The uncontrolled use of pesticides can
affect the natural balance and dangerous for our health.