With high and accelerating population growth and with low and declining efficiency in the use of resources, Africa is currently facing a long-term declining trend. Since agriculture accounted for 41% of the GDP of Africa in 1982, formulation and implementation of efficient land use policies are prerequisites if the long-term adverse trend is to be reversed.
Asit K. Biswas and Cecilia Tortajada, 2018, Hydropower & Dams Journal [...]
James Horne, Cecilia Tortajada and Larry Harrington, 2018, Internatio [...]
Rosario Sanchez, Laura Rodriguez and Cecilia Tortajada, 2018, Journal [...]