Torres Netto, Cmpostrini, E. Oliveira, J.G. de Yamanishi, O.K. Portable, chorophyll meter for the quantification of photosynthetic pigments, nitrogen and the possible use for assessment of the photochemical process in Carica papaya L. Subjects--Topical Terms: MAMÃOPAPAYACLOROFILABIOLOGIA VEGETALFOTOSSÍNTESENITROGÊNIO