CHIRADZULU, Malawi — Diana Sitima’s farm on the outskirts of Malawi’s commercial capital, Blantyre, is both example and an exception. Where neighboring farmers have planted mostly maize for food and for sale in nearby markets, people drive out to buy sweet potato, pigeon peas and vegetables, bananas and avocado, and eggs produced on Sitima’s 3.5-hectare […] Source: Conservation news