Summary
Abstract. One century ago, within the context of crop yield investigations conducted at Rothamsted Research in the UK, William Haines and Bernard Keen measured the spatial variability of soil mechanical resistance attaching a dynamometer to a plough, and argued: “a measurement of the degree of variation of soil characteristics over any area on which variety, or manurial, or implement trials are being made, would be of the greatest value”. This initial idea has since grown, acknowledging the links between agricultural management and soil variability, giving rise to the field of Agrogeophysics. This discipline has evolved to harness geophysical methods for non-invasive, multiscale mapping and monitoring of key soil properties as well as physical, chemical and biological processes occurring i
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