Ala ugbo dịnụ nwere ihe karịrị 205,000 square kilomita (79,000 square kilomita) nke ala ubi na 611,000 square kilomita (236,000 square kilomita) nke ebe ịta nri na ala hay. Ihe karịrị 80% nke mba ahụ dum dị ka ala ugbo, gụnyere ihe fọrọ nke nta ka ọ bụrụ 70% nke ebe ịta nri. Ala ubi ya nwere nke abụọ kachasị elu kwa onye bi na ya (1.5 hectare). Isi ngwaahịa anụ ụlọ bụ ngwaahịa mmiri ara ehi, akpụkpọ anụ, anụ, na ajị anụ. Mkpụrụ ndị dị na mba ahụ gụnyere ọka, ọka wit, owuwe ihe ubi, osikapa, na ọka wit.
ọka wit, ọka bali, owu, na osikapa