Are chlorophylls good indicators of nitrogen and phosphorus levels?Footnote¹

This study was supported by a grant from the Council of Agriculture and Fish of the Andalusian Regional Government, and by the Centro de Investigacion y Desarrollo Hortícola La Mojonera in Almeria (Spain).

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• This study was supported by a grant from the Council of Agriculture and Fish of the Andalusian Regional Government, and by the Centro de Investigacion y Desarrollo Hortícola La Mojonera in Almeria (Spain).
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• Department of Plant Biology, University Polytechnic School of Technical Agricultural Engineering, E‐04120, Almeria, Spain
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