| http://www.w3.org/ns/prov#value | - These three CDs, produced by CIMMYT's Natural Resources Group (NRG) and Maize Program, contain spatial data including climate, soils, elevation, population, ... land use and maize mega-environments for Sub-Saharan Africa (20W-52E, 35S-15N), southern Asia (60-165E, 10S-35N), and all of Mexico, Central America, and South America.
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