Home Publications & Data Report Soils and the production of cassava in the Llanos Orientales of Colombia author(s) Howeler, Reinhardt H. published in1982 regions Colombia original file download full citation Howeler, Reinhardt H. 1982. Soils and the production of cassava in the Llanos Orientales of Colombia. Centro Internacional de Agricultura Tropical (CIAT), Cali, CO. 8 p.