CV Lattes
ORCID
Abstract
Nutritional and physiological state of plants is closely related to the color of the leaves. As an example, adequate levels of N, Mg and chlorophyll correlate with the intensity of the green color in plants. Symptoms of nutritional deficiency in plants are visually diagnosed in the field. Leaf color can be assessed qualitatively using a color chart (e.g., Munsell Color Chart) or more quan…