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There is, especially in precision agriculture, an increasing demand world over for affordable sensors for in situ (field deployable) soil quality assessment (SQA) applicable at an ecological scale due to the interplay between soil quality and environmental degradation. Although spectrometric (particularly optical) techniques offer the opportunity to meet this demand due to their high analytical versatility,...
Precision agriculture depends on the knowledge and management of soil quality (SQ), which calls for affordable, simple and rapid but accurate analysis of bioavailable soil nutrients. Conventional SQ analysis methods are tedious and expensive. We demonstrate the utility of a new chemometrics-assisted energy dispersive X-ray fluorescence and scattering (EDXRFS) spectroscopy method we have developed...
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