Soil Texture Classification
grid_analysis
QgsProcessingParameterRasterLayer|SAND|Sand|None|True
QgsProcessingParameterRasterLayer|SILT|Silt|None|True
QgsProcessingParameterRasterLayer|CLAY|Clay|None|True
QgsProcessingParameterRasterDestination|TEXTURE|Soil Texture
QgsProcessingParameterRasterDestination|SUM|Sum