Bourdon, EmmanuelBlavet, D.Luankongkam, O.Soulileuth, B.Chanhphengxay, A.Pierret, AlainRibolzi, Olivier2014-06-132014-06-13https://hdl.handle.net/10568/40695Semi-quantitative evaluation of waterlogging duration using two models based on soil colour in a representative upland catchment of northern Lao PDR