Comprehensive benefit evaluation of multiple cropping subsys-tems in agroforestry system of hilly area in Sichuan Basin

By comparing energy and value con ve rsion rates,ten multiple cropping subsystems of hilly area agroforestrysystem have been studied.The AHP method is adopted in evalu-ating the comprehensive benefit of the subsystems The resulttsare:wheat-peanut subsystem shows the highest benefit,flvesubsystems show fairly good benefit,and the other four,subrys-tems have relatively lower benefit Practical improving approachesare provided.