Medicinal/herbal plants production and utilization:the Kapit-Bisig Farmers Association Inc. experience [Brgy. Sta. Catalina, Atimonan, Quezon, Philippines]

agriculteur agricultores agroforesteria agroforesterie agroforestry cultural methods drug plants farmers filipinas medicinal properties mode de culture multiplication des plantes participation philippines plant propagation plantas medicinales plante medicinale production de semences propiedades medicinales seed production