TY - GEN AU - Briones, Roehlano M. TI - Addressing land degradation: : benefits, costs and policy directions / T2 - Vol. 37 No. 1 First Sem 2010 KW - Land degradation KW - Agricultural development KW - Environmental problem KW - Soil erosion KW - Soil-conserving farm technologies KW - Sustainable agricultural production UR - http://dirp3.pids.gov.ph/ris/pjd/pidspjd10-1landdegradation.pdf ER -