Yuma, Chansa

The impact of the introduction of Chingovwa (improved sweet potato cultivars) on the local cultivars in Ndola district. / by Chansa Yuma - Kitwe : Copperbelt University, 2012 - ix, 47 pages : illustrations


SWEET POTATOES - VARIETIES - AFRICA, SUB-SAHARAN
ROOT CROPS
FOOD CROP DIVERSIFICATION--ZAMBIA

CBU-UG THESIS/YUM