1.   They argue the chemicals farmers use are damaging the countryside.

2.   Companies are also exploring gene switches tailored to chemicals farmers use anyway, like fertilizer.

3.   If you want to grow your own, turn to the same catalogs the farmers use.

4.   That gives the administration extensive influence over everything from the kinds of automobile Detroit produces to which pesticides farmers use on their crops.

5.   But critics point out that farmers use less water than they are allocated, so the actual cuts are smaller.

6.   Corn can be engineered to produce a natural pesticide called Bt, one of the best natural pesticides organic farmers use.