Modelling Visible Foliar Injury Effects on Canopy Photosynthesis and Potential Crop Yield Losses Resulting from Fluoride Exposure

Crop production models are highly developed to account for different nitrogen, light, temperature and water availability conditions and, in some species, disease or air pollutant effects. There is very limited knowledge on responses of many tropical crops, such as oil palm (Elaeis guineensis), to ai...

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Bibliographic Details
Published in:Journal of environmental protection (Irvine, Calif.) Calif.), 2012-09, Vol.3 (9), p.979-988
Main Authors: Doley, David, Rossato, Laurence
Format: Article
Language:English
Subjects:
Air pollution
Canopies
Crop production
Elaeis guineensis
Fluoride
Foliage
Injuries
Nitrogen
Photosynthesis
Prediction
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Summary:Crop production models are highly developed to account for different nitrogen, light, temperature and water availability conditions and, in some species, disease or air pollutant effects. There is very limited knowledge on responses of many tropical crops, such as oil palm (Elaeis guineensis), to air pollutants although predictions of these effects are essential for industrial planning in several countries. In the absence of limitations due to water supply, the effects of leaf area loss due to necrosis and chlorosis are much more important to canopy photosynthesis than are changes in the physiological attributes that influence the efficiency of light use. Therefore, potential losses of crop production due to air pollutants such as fluoride can be inferred usefully from the extent of visible injury to foliage that may be associated with different levels of pollutant exposure.
ISSN:2152-2197
2152-2219
DOI:10.4236/jep.2012.39113