Two farmers cut stalks of rice using a special knife called 'anggapan' during harvest season in Tabanan, Bali, Indonesia.

Poor infrastructure makes stable pricing difficult at the best of times in Indonesia, but the rural poor are increasingly pinning the blame for wild fluctuations in the price of staples on the policies and unmet promises of President Joko Widodo.

With Southeast Asia's biggest economy growing at its slowest pace in six years, and half its 250 million population living on less than $2 a day, price spikes on foods such as rice, sugar, beef and chillies can be devastating.