… In this paper the concentration of starch and soluble proteins (mg g-1 DM) in tubers of
Caladium bicolor was evaluated through the application of organic products (humic and fulvic
acids) diluted in irrigation water. Treatments consisted in the interaction of three doses of
organic product (0 (control), 4 and 8 ml L-1) and three phenological stages of the crop (flowering,
predormancy and dormancy. The variables were measured based on UV-visible
spectrophotometry, using … Furthermore, the highest concentration of soluble proteins in …