| Summary: | In Africa, cassava-growing areas are located
from Senegal in the west, through Nigeria and Zaire,
east to Malagasy and from 15°N-15°S latitude,
according to de Viliers (1965). Optimum production
requires an annual rainfall of 1000-2000 mm; average annual temperatures of 25-29 °C; daylengths
not greater than 15 hours; altitudes less than 2000
m above sea level; and freely draining sandy loam
soils dominated by oxisols, ultisols, and alfisols.
The diversity of cassava cropping systems in the
lowland humid tropics is based on high population
densities, personal tastes, economic and political
factors, and the overall level of technological development and resource availability.
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