Florencia lies outside a rebel-held zone in the south and is the base for right-wing paramilitary gunmen.
Officials said the rebel position softened and a compromise was worked out to have a special commission review contested land claims in rebel-held zones on a case-by-case basis.
Some farmland that the Government has agreed to try to secure for peasants in rebel-held zones has already been written off by its owners.
Most of the other operators are believed to be already active in rebel-held zones.
The treaty promises land to peasants in rebel-held zones and the possibility of partial ownership for some workers in state enterprises that are to be privatized.
United States officials said today that no Americans were killed or injured in the fighting, but that some Americans remained trapped within the rebel-held zone.
Investigators must cross into the rebel-held zones of Darfur to exhume evidence and conduct inquiries there as well.
Following her wounding, several days later, the Sri Lankan government said it would allow foreign journalists to travel in rebel-held zones.
The accord was celebrated by many of the 90,000 people in the rebel-held zone.
Coca fields are now often hidden away in rebel-held zones that are easier to defend.