Working Document Series Open Access Characterisation of Selected Sorghum Genotypes in Zambia for Field Traits and Aluminium Tolerance S. Chikuta · M.S. Mwala Sorghum (Sorghum bicolor L.) is a major crop of the hotter and drier regions of the tropics and subtropics grown by resource poor farmers for their subsistence. It can also be cultivated in marginal lands and areas of high rainfall charact… RUF-31507 2012 CC BY 4.0 5 Oct 2013