CANBERRA, Aug. 31 (Xinhua) -- Australia, a world leader in farming on arid lands, needs to devote some of that expertise to help struggling Afghanistan farmers, a new study said on Tuesday.

A paper by the Australian Strategic policy Institute (ASPI) said agriculture remained the main source of income for most of Afghanistan's population.

In Australia's area of operations in Oruzgan Province of Afghanistan, the economy is almost entirely dependent on agriculture based on surface water, ASPI analyst Raspal Khosa said in the study released on Tuesday.

Various projects have already been launched, such as a German scheme which distributed 400,000 almond trees to local farmers.

"What we need now are more experts in dryland agriculture and livestock management to follo...