This year, many Afghan poppy farmers are expecting a windfall as they get ready to harvest opium from a new variety of poppy seeds said to boost yield of the resin that produces heroin.
The plants grow bigger, faster, use less water than seeds they've used before, and give up to double the amount of opium, they say.
No one seems to know where the seeds originate from. The farmers of Kandahar and Helmand provinces, where most of Afghanistan's poppies are grown, say they were hand-delivered for planting early this year by the same men who collect the opium after each harvest, and who also provide them with tools, fertilizer, farming advice - and the much needed cash advance.
The trend is expected to continue in 2015, in part thanks to the new poppy seeds, according to officials tasked with overseeing the eradication of poppy crops.
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Experts say the Taliban, who have been waging war on the Kabul government for more than a decade, derive around 40 per cent of their funding from opium, which in turn fuels their insurgency.
Fierce fighting in recent months in poppy-growing regions shows the Taliban's determination to protect their trafficking routes and the seasonal workers who come to earn money at harvest time from government forces under orders to eradicate the crop.
"This is a big threat to everyone," he said, adding that Afghanistan's central authorities had failed to act on his warnings.