Muong Ang is a mountainous district in the middle of Dien Bien province (the northwest of Viet Nam). Its climatic conditions are quite different compared to the surrounding areas. Specifically, mountainous terrain with a high slope and severe division leads to considerably differentiation in terms of meteorological and hydrological conditions. | Zoning agro climatic factors and evaluating adaptation ability of arabica coffee in Muong Ang district, Dien Bien province