Long the world’s largest producer of opium, the raw ingredient of heroin, Afghanistan has now become the top supplier of cannabis, with large-scale cultivation in half of its provinces, the United Nations said on Wednesday.

Between 10,000 and 24,000 hectares of cannabis are grown every year in Afghanistan, with major cultivation in 17 out 34 provinces, the U.N. drug agency (UNODC) said in its first report on cannabis production in Afghanistan.

While some countries grow cannabis on more land, Afghanistan’s robust crop yields — 145 kg of resin per hectare compared to around 40 kg per hectare in Morocco — make it the world’s largest producer, estimated at 1,500-3,500 tons a year.

“This report shows that Afghanistan’s drug problem is even more complex than just the opium trade,” said Antonio Maria Costa, head of UNODC in the report.

“Reducing Afghanistan’s cannabis supply should be dealt with more seriously, as part of the national drug control strategy.”

For years Afghanistan has been the world’s largest producer of opium, a paste extracted from poppies and processed into heroin. While land cultivated with poppies fell by 22 percent last year, record yields meant production fell only 10 percent. Continue reading