Tuesday, March 15, 2011

English for Agriculture:1 Farmers and the environment

Watch the videoclips and post your opinion in the comment box.on how farmers affect the environment.

Farmers and the Environment

Agriculture is one of the world’s most important industries.
It produces food and provides employment for millions of people.
Farmers work on the land and try to control and adapt the natural ecosystem.
They use fire to clear the land and they irrigate crops.
They plant crops at certain times of the year.
They try to control pests and diseases.
In hunting and gathering societies, people have very little impact on the natural environment.
In urban societies, people have a very large impact.

Agricultural ecosystems affect the environment more than hunting and gathering societies, but not as much as urban societies.
Agro-ecosystems can be complex, with hundreds of crops and animals, or they can havejust one type of plant and animal.
Two of the most important agro-ecosystems in Asia are slash-and-burn cultivation (also called ‘swidden’ or ‘upland agriculture’) and lowland rice cultivation.

Look up and write the definition in the comment box that best applies to the reading.

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