Farming start with a proper understanding of the soil. Most farmers globally know composition of their fields, but also look for methods that can precisely map the composition of their soils for applications as in precision farming of the selection of proper crops for their fields. This approach has been used by famers with larger fields and using precision farming, but also by famers that turn into biological farming. A European project on improving marginal Spanish soil showed this application. A poster shows the results of of this EU project Crops for Better soils.
An important application of gamma-ray spectrometers is for mapping soil properties and nutrients for agricultural purposes. Some of the parameters needed