has subject area clarisaCountry-170 Andropogon Andropogon gayanus Colombia acid soils agronomic characters drought resistance feed grasses savannas soil fertility
keywords acid soils agronomic characters andropogon gayanus caracterÍsticas agronÓmicas colombia drought resistance feed grasses fertilidad del suelo gramÍneas forrajeras resistencia a la sequÍa soil fertility suelo Ácido