A Novel Cosmic-Ray Neutron Sensor for Soil Moisture Estimation over Large Areas

Luca Stevanato, Gabriele Baroni, Yafit Cohen, Cristiano Lino Fontana, Simone Gatto, Marcello Lunardon, Francesco Marinello, Sandra Moretto and Luca Morselli
Additional contact information
Luca Stevanato: Department of Physics and Astronomy, University of Padova, Via Marzolo 8, 35131 Padova, Italy
Gabriele Baroni: Department of Agricultural and Food Sciences, University of Bologna, Viale Fanin 50, 40127 Bologna, Italy
Yafit Cohen: Department of Sensing, Information and Mechanization Engineering, Agricultural Research Organization (ARO), Volcani Center, Rishon Lezion 7505101, Israel
Cristiano Lino Fontana: Department of Physics and Astronomy, University of Padova, Via Marzolo 8, 35131 Padova, Italy
Simone Gatto: Department of Land, Environment, Agriculture and Forestry, University of Padova, Viale dell’Università 16, 35020 Legnaro, Italy
Marcello Lunardon: Department of Physics and Astronomy, University of Padova, Via Marzolo 8, 35131 Padova, Italy
Francesco Marinello: Department of Land, Environment, Agriculture and Forestry, University of Padova, Viale dell’Università 16, 35020 Legnaro, Italy
Sandra Moretto: Department of Physics and Astronomy, University of Padova, Via Marzolo 8, 35131 Padova, Italy
Luca Morselli: Department of Physics and Astronomy, University of Padova, Via Marzolo 8, 35131 Padova, Italy

Agriculture, 2019, vol. 9, issue 9, 1-14

Abstract: A correct soil moisture estimation is a fundamental prerequisite for many applications: agriculture, meteorological forecast, flood and drought prediction, and, in general, water accounting and management. Traditional methods typically provide point-like measurements, but suffer from soil heterogeneity, which can produce significant misinterpretation of the hydrological scenarios. In the last decade, cosmic-ray neutron sensing (CRNS) has emerged as a promising approach for the detection of soil moisture content. CRNS can average soil moisture over a large volume (up to tens of hectares) of terrain with only one probe, thus overcoming limitations arising from the heterogeneity of the soil. The present paper introduces the development of a new CRNS instrument designed for agricultural applications and based on an innovative neutron detector. The new instrument was applied and tested in two experimental fields located in Potsdam (DE, Germany) and Lagosanto (IT, Italy). The results highlight how the new detector could be a valid alternative and robust solution for the application of the CRNS technique for soil moisture measurements in agriculture.

Keywords: CRNS; neutron; cosmic-ray; soil moisture; water; precision farming (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2019
References: View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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