The agriculture in Brazil is focused on sugarcane. Ethanol is also produced by the Brazilian sugarcane industry. The primarily agricultural product of Colombia is coffee. Colombia is the 4th largest producer of coffee in the world. Chile is the large producer of apples, pears and grapes ( fruit industry ). One forth of the Argentina exports are mostly cereals: corn, soybean, wheat and maize.
Answer:
Brazil - sugarcane,
Colombia - coffee,
Chile - fruit industry,
Argentina - cereals.