Security forces claim that opium fields are hidden among maize crops.
Mr. Sanchez turned over two samples of heroin, telling the informer that he was an owner of sizable opium fields in Colombia.
The Laotian opium fields are temporarily in the hands of the Pathet Lao.
The net result, say some officials, is that foreign money has frequently ended up fertilising or irrigating opium fields.
Up and around the steep bamboo-lined hills we climbed, past the opium fields of the local people.
The opium fields in Afghanistan have been shrinking since 2007.
Opium is more profitable than wheat and destroying opium fields could possibly lead to discontent or unrest among the indigent population.
French forces support anti-drug operations, though destruction of opium fields and capture of dealers is not part of their mission.
Afghanistan's vast opium fields are feeding a multi-million dollar drugs business.
Unfortunately, Parliament also chose to support a proposal under which the spraying of opium fields, which are to be found over large parts of the country, would cease.