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Sensors 2017, 17(1), 99;

PHYLIS: A Low-Cost Portable Visible Range Spectrometer for Soil and Plants

The James Hutton Institute, Invergowrie, Dundee DD2 5DA, UK
Ecole d’Ingénieurs de Purpan, 75 Voie du Toec, 31076 Toulouse, France
Author to whom correspondence should be addressed.
Academic Editor: Russell Binions
Received: 12 November 2016 / Revised: 30 December 2016 / Accepted: 4 January 2017 / Published: 7 January 2017
(This article belongs to the Special Issue Sensors for Environmental Monitoring 2016)
Full-Text   |   PDF [1850 KB, uploaded 7 January 2017]   |  


Monitoring soil and crop condition is vital for the sustainable management of agricultural systems. Often, land management decision-making requires rapid assessment of conditions, which is difficult if samples need to be taken and sent elsewhere for analysis. In recent years, advances in field-based spectroscopy have led to improvements in real-time monitoring; however, the cost of equipment and user training still makes it inaccessible for most land managers. At the James Hutton Institute, we have developed a low-cost visible wavelength hyperspectral device intended to provide rapid field-based assessment of soil and plant conditions. This device has been tested at the Institute’s research farm at Balruddery, linking field observations with existing sample analysis and crop type information. We show that it is possible to rapidly and easily acquire spectral information that enables site characteristics to be estimated. Improvements to the sensor and its potential uses are discussed. View Full-Text
Keywords: spectroscopy; soil; agriculture; crop assessment; precision agriculture spectroscopy; soil; agriculture; crop assessment; precision agriculture

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Aitkenhead, M.J.; Gaskin, G.J.; Lafouge, N.; Hawes, C. PHYLIS: A Low-Cost Portable Visible Range Spectrometer for Soil and Plants. Sensors 2017, 17, 99.

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