Published online 19 October 2005
Published in Agron J 97:1515-1523 (2005)
DOI: 10.2134/agronj2005.0040
© 2005 American Society of Agronomy
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Determination of a Multivariate Indicator of Nitrogen Imbalance (MINI) in Potato Using Reflectance and Fluorescence Spectroscopy
M-C. Bélangera,*,
A. A. Viaua,
G. Samsonb and
M. Chamberlandc
a Laboratoire de Géomatique Agricole et dAgriculture de Précision, Local 3731-A, Pavillon Casault, Université Laval, QC, G1K 7P4, Canada
b Université du Québec à Trois-Rivières, Case Postale 500, Trois-Rivières, QC, G9A 5H7, Canada
c Telops, 100-2600, Avenue Saint-Jean-Baptiste, Québec, QC, Canada, G2E 6J5

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Fig. 1. Schematic representation of data acquisition and treatment.
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Fig. 2. Chi-square probability distribution function.
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Fig. 3. Validation of IN2 using CateNelson partitioning procedure.
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Fig. 4. Position of sufficient and deficient plants according to their CAN1 value.
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Copyright © 2005 by the American Society of Agronomy.