 BANKGKOK: When her husband suddenly died, Nakimo set up a small shop in Bhutans southern Chukha district to provide for her family of seven, then began growing hazelnut trees, which not only boosted her income, but also helped preserve the soil on her land. Nakimo benefited from a program by social enterprise Mountain Hazelnuts that aims to find sustainable uses for fallow land and prevent soil erosion an increasing challenge for small-scale farmers in the Himalayan nation. 