Coffee and agroforestry systems

The most important innovation studied in this chapter is the introduction of arabusta coffee. In 1981 the national extension service, Dinas Perkebunan, launched several PRPTE (Proyek Rehabilitasi Perkebunan Tanaman Eksport) projects to promote various tree crops in all Indonesian provinces. In coffeeproducing areas-even minor regions-most projects concentrated either on robusta or arabica coffee, depending on the latitude. In a very limited number of districts, however, the directorate of Dinas Perkebunan also decided to try introducing arabusta, a famous hybrid of the coffees arabica and robusta not previously grown in Indonesia (except in Timor, which was then part of Indonesia). (Résumé d'auteur