In his backyard in Kerala, India, Vinod Sahadevan Nair, 60, grows bananas and plantains and rears chickens and ducks. Situated as it is in an agrarian region, abutting the biodiverse Western Ghats, his farm may seem typical. But a walk through his four acres reveals bananas growing in every conceivable shape, size, and hue: from deep red to turquoise blue. An avid farmer since the age of 12, Vinod has conscientiously collected some 430 varieties of banana over the past 30 years. Vinod’s farming practices were not always so quixotic….