Wenneck, Gustavo Soares, Vinicius Villa e Vila, Reni Saath, Roberto Rezende, Gustavo Lopes Pereira, and Bruna Mayara Conti Mondanez. 2021. “LEAF PIGMENTS IN PEA CROP: RELATIONSHIP BETWEEN SPAD INDEX AND CHLOROPHYLL CONTENT”. Brazilian Journal of Biosystems Engineering 15 (3). Tupã, São Paulo, Brazil:391-400. https://doi.org/10.18011/bioeng2021v15n3p391-400.