11.   In a reversal of past government policy, Banzer has pledged to phase out payments to coca growers for voluntarily eradicating their illegal crops.

12.   In recent months, the Mexican groups have begun making deals with coca growers in the Andean mountain ranges in Bolivia and Peru, undercutting the traditional Colombian buyers.

13.   In previous negotiations with the coca growers, the government agreed last month to forgo plans to build three new army bases in the Chapare area.

14.   It also relies on taxing coca growers and cocaine traffickers.

15.   Now both the paramilitaries and the guerrillas skim millions from drug-runners and coca growers, battling for control over swaths of valuable countryside.

16.   Several major leaders of the coca growers are threatening armed conflict if they are not permitted to grow at least small amounts of coca.

17.   State Department officials, tired of subsidizing coca growers, pushed hard for the policy change.

18.   That price collapse, analysts said, helped convince thousands of Peruvian coca growers to seek replacement crops.

19.   The coca growers, known here as cocaleros, responded to the eradication effort the way they always did when the government intermittently turned up the pressure.

20.   The state is a virtual free zone for coca growers, and it attracts thousands of migrant farmers.