d Agriculture Organization (FAO) and the 
International Rice Research Institute (IRRI) methodology 
for land evaluation. Development of ALUES is inspired by 
similar tool for land evaluation, Land Use Suitability 
Evaluation Tool (LUSET). The package uses fuzzy logic 
approach to evaluate land suitability of a particular
area based on inputs such as rainfall,
temperature, topography, and soil properties. The 
membership functions used for fuzzy modeling are the
following: Triangular, Trapezoidal, Gaussian, 