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Now showing items 21-25 of 25
What is Happening in Africa in the 1990s?
(1992)
I think we are concerned about Africa because the performance of the economies generally, and
agriculture specifically, is declining not only compared with other developing regions but also
compared with the past. And, ...
A productivity index based on population dynamics and energy flow at the herd or flock level
(University of Nairobi, 1992)
Animal products include liveweight, deadweight, milk, wool, work and manure. Feed energy is the most relevant input that can easily be linked to other inputs. A bio-economic productivity index is total output value per ...
Evaluation for resistance to the spotted stem borer, Chilo partellus, in a maize (Zea mays L.) population
(CIMMYT, Addis Ababa (Ethiopia), 1999)
Genetic variability and predicted responses to S2 and testcross selection methods were studied in an open-pollinated variety resistant to the spotted stem borer, (Chilo partellus Swinhoe). Evaluation after one cycle of ...
A Study of Drying Behaviour of Potato Slices
(University Of Nairobi, 1997)
Potato (Solarium tuberosum) is an underexploited tuber with promising economic value and the potential to help ease the world food problem. It produces more calories per unit area of land than other tropical root crops and ...