Monday 20 April 2009

exposition text

Title


Integrated Pest Management

Thesis

Position

Preview (appetizer)

There is no one best way to deal with pests in agriculture. Pesticides are commonly used, but this may cause many problems. Combining different management operations is the most effective way to control pests.

Argument 1

Assertion

Elaboration

Firstly, the chemicals in pesticides may build up as residues in the environment. This reduces the quality of farm produce.

Argument 2

Assertion

elaboration

As well, pests can gradually become resistant to pesticides. This means that newer and sometimes stronger ones have to be developed.

Argument 3

Assertion
elaboration

Some pesticides affect non target animals such as fish and bees. This affects the natural balance.

argument 4

Assertion

elaboration

Also aiming to completely wipe out agricultural pests may be very expensive. Sometimes pest damage costs less than the method of control.

argument 5

Assertion

elaboration

Lastly, understanding the ecology of the area helps a lot in pest control. Natural enemies can be used to control a pest. Pesticides should be chosen that don’t affect the natural enemies.

reiteration


Therefore, integrated pest management is a safe and more effective option in agriculture.