Large rice-based irrigation systems in Lao PDR

摘要

Lao PDR is located in the heart of peninsular Indochina. It is located between 14 to 23 degrees north latitude and 100 to 108 degrees east longitude. It is a landlocked country and shares a 505 km border with China to the north, 435 km border with Cambodia to the south, 2 069 km border with Viet Nam to the east, a 1 835 km border with Thailand to the west, and a 236 km border with Myanmar to the northwest. The country stretches 1 700 km from north to south, with an east-west width of over 500 km at its widest point and only 140 km at the narrowest point. The Lao PDR covers a total of 236 800 square kilometres. Most of the country is mountainous and thickly forested and the Mekong River forms a large part of the western boundary with Thailand.