Theses & Dissertations Open Access Optimizing phosphorus availability for bean production on a high altitude andosol A. Cyamweshi Rusanganwa In Sub-Saharan Africa, common bean (Phaseolus vulgaris L.) is a food security and income sourcing crop as well as a contributor to soil fertility improvement through biological nitrogen fixation. In Uganda, bean production is widespread, w… RUF-35503 2011 CC BY 4.0 29 Sep 2015