spatial

Global and National Soils and Terrain Databases (SOTER)

The standardized SOil and TERrain SOTER methodology has been proposed by the International Union of Soil Sciences (IUSS)...

QUEFTS, model to analyse the effect of nitrogen, phosphorus and potassium limitation on crops growing on tropical soils

QUEFTS can be used for quantitative evaluation of the native fertility of tropical soils, using calculated yields of...

Spatial Sampling with R

Scientific research often starts with data collection. However, many researchers pay insufficient attention to this...