1.   Farmers must apply for permits to use the new chemicals and attend training sessions, Minch said.

2.   Farmers must apply for permits to use the new chemicals.

3.   Although the reasons remain unclear, many experts suspect that the increase may be partly the result of growing exposure to new chemicals in the environment.

4.   Although the reasons remain unclear, many experts suspect the increase may be partly the result of growing exposure to new chemicals in the environment.

5.   Analysts said the spinoff will benefit both Sandoz and the new chemicals firm.

6.   Analysts said the spin-off will benefit both Sandoz and the new chemicals firm.

7.   And like AZT, the new chemicals can be extremely toxic.

8.   Army worms also hit the Coastal Bend, but the farmers there were ready for them with new chemicals, Buehring said.

9.   Because the new chemicals are preventative, it will be important that cotton farmers use them early in the growing cycle to curb the whitefly population, Minch said.

10.   A review panel established by the treaty will consider new chemicals according to an agreed-upon scientific standard.