Field Performance of Nine Soil Water Content Sensors on a Sandy Loam Soil in New Brunswick, Maritime Region, Canada

An in situ field test on nine commonly-used soil water sensors was carried out in a sandy loam soil located in the Potato Research Center, Fredericton, NB (Canada) using the gravimetric method as a reference. The results showed that among the tested sensors, regardless of installation depths and soi...

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Autores principales: Chow, Lien, Xing, Zisheng, Rees, Herb W., Meng, Fanrui, Monteith, John, Stevens, Lionel
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Molecular Diversity Preservation International (MDPI) 2009
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3260647/
https://www.ncbi.nlm.nih.gov/pubmed/22291570
http://dx.doi.org/10.3390/s91109398
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author Chow, Lien
Xing, Zisheng
Rees, Herb W.
Meng, Fanrui
Monteith, John
Stevens, Lionel
author_facet Chow, Lien
Xing, Zisheng
Rees, Herb W.
Meng, Fanrui
Monteith, John
Stevens, Lionel
author_sort Chow, Lien
collection PubMed
description An in situ field test on nine commonly-used soil water sensors was carried out in a sandy loam soil located in the Potato Research Center, Fredericton, NB (Canada) using the gravimetric method as a reference. The results showed that among the tested sensors, regardless of installation depths and soil water regimes, CS615, Trase, and Troxler performed the best with the factory calibrations, with a relative root mean square error (RRMSE) of 15.78, 16.93, and 17.65%, and a r(2) of 0.75, 0.77, and 0.65, respectively. TRIME, Moisture Point (MP917), and Gopher performed slightly worse with the factory calibrations, with a RRMSE of 45.76, 26.57, and 20.41%, and a r(2) of 0.65, 0.72, and 0.78, respectively, while the Gypsum, WaterMark, and Netafim showed a frequent need for calibration in the application in this region.
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spelling pubmed-32606472012-01-30 Field Performance of Nine Soil Water Content Sensors on a Sandy Loam Soil in New Brunswick, Maritime Region, Canada Chow, Lien Xing, Zisheng Rees, Herb W. Meng, Fanrui Monteith, John Stevens, Lionel Sensors (Basel) Article An in situ field test on nine commonly-used soil water sensors was carried out in a sandy loam soil located in the Potato Research Center, Fredericton, NB (Canada) using the gravimetric method as a reference. The results showed that among the tested sensors, regardless of installation depths and soil water regimes, CS615, Trase, and Troxler performed the best with the factory calibrations, with a relative root mean square error (RRMSE) of 15.78, 16.93, and 17.65%, and a r(2) of 0.75, 0.77, and 0.65, respectively. TRIME, Moisture Point (MP917), and Gopher performed slightly worse with the factory calibrations, with a RRMSE of 45.76, 26.57, and 20.41%, and a r(2) of 0.65, 0.72, and 0.78, respectively, while the Gypsum, WaterMark, and Netafim showed a frequent need for calibration in the application in this region. Molecular Diversity Preservation International (MDPI) 2009-11-24 /pmc/articles/PMC3260647/ /pubmed/22291570 http://dx.doi.org/10.3390/s91109398 Text en © 2009 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
spellingShingle Article
Chow, Lien
Xing, Zisheng
Rees, Herb W.
Meng, Fanrui
Monteith, John
Stevens, Lionel
Field Performance of Nine Soil Water Content Sensors on a Sandy Loam Soil in New Brunswick, Maritime Region, Canada
title Field Performance of Nine Soil Water Content Sensors on a Sandy Loam Soil in New Brunswick, Maritime Region, Canada
title_full Field Performance of Nine Soil Water Content Sensors on a Sandy Loam Soil in New Brunswick, Maritime Region, Canada
title_fullStr Field Performance of Nine Soil Water Content Sensors on a Sandy Loam Soil in New Brunswick, Maritime Region, Canada
title_full_unstemmed Field Performance of Nine Soil Water Content Sensors on a Sandy Loam Soil in New Brunswick, Maritime Region, Canada
title_short Field Performance of Nine Soil Water Content Sensors on a Sandy Loam Soil in New Brunswick, Maritime Region, Canada
title_sort field performance of nine soil water content sensors on a sandy loam soil in new brunswick, maritime region, canada
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3260647/
https://www.ncbi.nlm.nih.gov/pubmed/22291570
http://dx.doi.org/10.3390/s91109398
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