the potential of High Yielding Sweet Potato (Ipomoea batatus L. lam) Variety to Allevieate Food Shortage in Mid-altitude Area of Ethiopia.
2000
Abdissa Gemeda
Seasonal food shortage is amongst the principal problems of farmers in the mid-altitude areas of Western Ethiopia. Supplementary to early maturing maize variety developed earlier-Gutto-researchers proposed introduction, verification/ demonstration and popularization of improved and high yielding sweet potato variety to alleviate the problem. During 1992-1993 cropping seasons, an improved sweet potato variety-Cemsa- was verified against two check varieties, Whitestar and the Local. The verification was done along with the recommended fertilizer rate (100-100 kg N/P. ^/ha) and without fertilizer (farmers 'practice) in researcher-farmer managed trials and informers managed trials. Statistical analyses showed that the three sweet potato varieties were significantly different in fresh marketable root yields (p 0.01). Cemsa out yielded Whitestar as well as the Local; and Cemsa with recommended fertilizer rate was the most feasible treatment. Besides higher root yield, farmers preferred Cemsa to the other varieties for several characteristics like ease for intercropping and marketability. Under present scant storage and processing technologies informers' hands, in situ storing of sweet potato (Cemsa) roots intact with soil and stagerred harvesting and consumption over the four months of November to February was suggested to contribute to family food security. This is done by supplementing the roots with grain and reserving buffer amount of cereals and pulses for "hungry months" of the rainy (Kiremt) season.
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