Dear Colleagues,

The increasing global population is placing enormous pressure on soil resources. To maintain productivity while ensuring sustainable use, information about the soil status is required. Recent technological advances in proximal and remote sensors have made their usage feasible, providing more affordable ways to map soil physical and chemical properties. Moreover, the use of these digital soil maps is increasingly helping us to find and improve their applications in precision agriculture; archeological reconstruction; soil health assessment; environmental, industrial, and urban soil exploration; and the remediation of contaminated sites.

In terms of proximal sensors, this includes the use of nondestructive smart sensing technologies such as direct current resistivity, electromagnetic induction, ground-penetrating radar, magnetometry, as well as gamma-ray and visible near-infrared (vis–NIR) spectroscopy. In some instances, these sensors are also used remotely, available on UAVs, or from airborne and satellites in different wavelength bands. Their use has proven to be a rapid and cost-effective augmentation to the labor-intensive, time-consuming, and cumbersome traditional methods that typically provide only localized and discrete measurements for various soil properties.

In this Special Issue, we invite manuscripts that show cutting-edge research and recent developments on the use of soil sensor data for mapping and monitoring different soil physical and chemical properties at various spatial and temporal scales. We would like to include contributions on applications of novel technologies and methodologies (e.g., mathematical modeling of soil and sensor data) for soil mapping and monitoring, particularly in multisensor data fusion, about the integration of proximal and/or remote sensor data to derive comprehensive soil information.

We look forward to receiving manuscripts from you and your colleagues. Should you require further information, please do not hesitate to contact us.

Dr. Triven Koganti
Dr. Ellen Van De Vijver
Dr. Bo Vangsø Iversen
Dr. Barry J. Allred
Dr. John Triantifilis
Guest Editors

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• Proximal soil sensing
• Remote soil sensing
• Digital soil mapping and monitoring
• Multisensor data fusion
• Multisensor systems
• Nondestructive techniques