Improving rubber plantation practices in Zamboanga Sibugay [Philippines] through CBFM [Community-based forest management]

administration locale agriculteur agricultores agroforesteria agroforesterie agroforestry ciencias forestales communal forests conservation des ressources cultivos alimenticios farmers filipinas food crops forest management forest plantations foresterie forestry gobierno local local government philippines plante alimentaire resource conservation rubber crops technologie technology tecnologia