Recent data revealed Afghan opium production has increased dramatically . `` Farmers will be keeping small amounts back as credit for things such as a dowry or buying livestock , '' said Kemp . NATO says this should be treated with caution as country has been over - producing . Taliban suspected of stockpiling large quantities of opium ` ` as illegal '' U.S. has warned of growing link between Taliban and the drug trade .
Recent data revealed Afghan opium production has increased dramatically . NATO says this should be treated with caution as country has been over - producing . Taliban suspected of stockpiling large quantities of opium ` ` as illegal '' U.S. has warned of growing link between Taliban and the drug trade .