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Title: Sensitivity of the Tomgro model to solar radiation intensity, air temperature and carbon dioxide concentration
Authors: Cooman, A ×
Schrevens, Eddie #
Issue Date: Feb-2007
Publisher: Academic press inc elsevier science
Series Title: Biosystems engineering vol:96 issue:2 pages:249-255
Abstract: In this study, variations on the output of the Tomgro model are analysed, as a function of variations in solar radiation intensity S, greenhouse air temperature T-A and CO2 concentration C-A, common for the production of greenhouse tomato in the Bogota Plateau, Colombia. The variation on the output of the model is apportioned to the sources of variation to obtain an analysis of sensitivity. Among the results of this test, a similar degree of variability on the prediction of fruit dry weight W-F is detected for the three climate variables, while S and TA were the most sensitive climate variables. Fruit dry weight increased with S and CA, while for TA an optimal range is detected. Next, a factorial experiment is performed where the same climate variables are varied in a small range. Variance decomposition showed that S is the most sensitive climate variable for WF, followed by TA and CA. The development of the vegetative plant parts is more sensitive to TA than to S and CA. The two innovative techniques that are presented for assessing the sensitivity to climate conditions can be used for the selection of production locations or for optimising greenhouse design. (c) 2006 IAgrE. All rights reserved Published by Elsevier Ltd.
URI: 
ISSN: 1537-5110
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Division M3-BIORES: Measure, Model & Manage Bioresponses (-)
× corresponding author
# (joint) last author

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