Theses & Dissertations Open Access Investigating viability of premium influenced land agro-usage structure for increased phyto-diversity and production of African leafy vegetables S. Munialo Decreasing land holdings among smallholder farmers in Vihiga and Jinja have resulted in intensive land utilization. This has in turn led to low soil fertility level which has resulted in decline in the abundance and distribution of phyto-d… RUF-35527 2013 CC BY 4.0 29 Sep 2015