On coins, on the frescoes of the presidential palace, in the fields at all seasons and in all weathers, farmers take centre stage. They grow mainly rice (there are more than 1,000 varieties in the country), maize and manioc, but also cash crops such as vanilla, litchi, cloves, cocoa, coffee and pink berries. 83.2% of Madagascar’s households are farmers, out of a total population of 25.7…