Congo-Brazzaville (1) Congo-Kinshasa (1) Varieties (1) Biomass (1) Wood (1) Timber (1) Production (Economic theory) (1) Poor (1) Plants (1) Leucaena (1) Legumes (1) Hedges (1) Green (1) Grassland fires (1) Face (1) Etiquette (1) Cutting (1) Culture (1) Corn (1) Cities and towns (1) Yields (1) Planting (1) Soils (1) Social life and customs (1) Labor productivity (1) Performance (1) Trabajo--Productividad (1) Biomasa (1) Leguminosas (1) Etiqueta (1)