Working Document Series Open Access Market-chain innovation enhances smallholders’ access to markets: Insights from the sweet potato sub-sector in Uganda B. Akello · P. Lusembo · I. Mugisa · W. Nakyagaba +1 more Smallholder farmers in developing countries such as Uganda are faced with the difficulty of accessing sustainable markets. Such farmers include those growing sweet potato, and are becoming increasingly marginalized as urban markets demand … RUF-34815 2010 CC BY 4.0 11 Sep 2015