unep country project on trade liberalisation in the agriculture sector and environment draft inception report integrated assessment of liberalization rice vietnam leader truong van tuyen phd hue university forestry february 2003 a 2 list acronyms afta cept asean free area common effective preferential tariff scheme gov government ha hectare hhs households hyv high yielding varieties ifpri international food policy research institute imf monetary fund ipm pest management isg support group mard ministry rural development molisa labour invalids social affairs mot mpi planning investment mrd mekong river delta mv modern variety nbr net benefit ratio ngo non governmental organization niapp national agricultural projection hanoi pc people s committee pra participatory qr quantitative restriction sla sustainable livelihood approach soe state owned enterprise tv traditional undp united nations program usbta bilateral agreement between states usd us dollars usda department vasem viet nam