In-line estimation of falling number using near-infrared diffuse reflectance spectroscopy on a combine harvester

In-line estimation of falling number using near-infrared diffuse reflectance spectroscopy on a... Quality is an essential attribute of agricultural products and production processes. Wheat (Triticum aestivum L.) quality is primarily classified according to protein concentration and sub-classified depending on additional parameters, such as moisture content, sedimentation value and Hagberg falling number (HFN). Real-time sensing of grain protein concentration by means of near-infrared reflectance spectroscopy (NIRS) is an established method of assessing cereal grain quality during harvest. The objective of this study was to obtain NIRS calibration models for determining α-amylase activity of wheat and to identify changes of wheat quality. Performance characteristics were obtained during field trials in 2011 and 2012. HFN predictions correlated with reference measurements (R2 = 0.70). The standard deviation of differences between the NIR-predicted and reference values denoted as standard error of prediction was 37 s. Processed data were classified using principal component analysis, the prediction range of HFN and Hotelling T2-statistics. The average difference of NIR HFN estimation and HFN laboratory analysis was 34 s. The results obtained indicated that the use of near-infrared reflectance inline spectroscopy on combine harvesters can provide information for grain growers to optimize grain processing and marketing. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Precision Agriculture Springer Journals

In-line estimation of falling number using near-infrared diffuse reflectance spectroscopy on a combine harvester

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Publisher
Springer US
Copyright
Copyright © 2014 by Springer Science+Business Media New York
Subject
Life Sciences; Agriculture; Soil Science & Conservation; Remote Sensing/Photogrammetry; Statistics for Engineering, Physics, Computer Science, Chemistry and Earth Sciences; Atmospheric Sciences
ISSN
1385-2256
eISSN
1573-1618
D.O.I.
10.1007/s11119-014-9374-5
Publisher site
See Article on Publisher Site

Abstract

Quality is an essential attribute of agricultural products and production processes. Wheat (Triticum aestivum L.) quality is primarily classified according to protein concentration and sub-classified depending on additional parameters, such as moisture content, sedimentation value and Hagberg falling number (HFN). Real-time sensing of grain protein concentration by means of near-infrared reflectance spectroscopy (NIRS) is an established method of assessing cereal grain quality during harvest. The objective of this study was to obtain NIRS calibration models for determining α-amylase activity of wheat and to identify changes of wheat quality. Performance characteristics were obtained during field trials in 2011 and 2012. HFN predictions correlated with reference measurements (R2 = 0.70). The standard deviation of differences between the NIR-predicted and reference values denoted as standard error of prediction was 37 s. Processed data were classified using principal component analysis, the prediction range of HFN and Hotelling T2-statistics. The average difference of NIR HFN estimation and HFN laboratory analysis was 34 s. The results obtained indicated that the use of near-infrared reflectance inline spectroscopy on combine harvesters can provide information for grain growers to optimize grain processing and marketing.

Journal

Precision AgricultureSpringer Journals

Published: Sep 10, 2014

References

  • Critical review of chemometric indicators commonly used for assessing the quality of the prediction of soil attributes by NIR spectroscopy
    Bellon-Maurel, V; Fernandez-Ahumada, E; Palagos, B; Roger, J-M; McBratney, A

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