Villa e Vila, Vinicius, Gustavo Soares Wenneck, Daniele de Souza Terassi, Roberto Rezende, and Reni Saath. “SPAD INDEX AS AN INDIRECT ESTIMATE OF CHLOROPHYLL CONTENT IN OKRA PLANTS”. REVISTA DE AGRICULTURA NEOTROPICAL 9, no. 2 (July 21, 2022): e6787. Accessed October 4, 2022. https://periodicosonline.uems.br/index.php/agrineo/article/view/6787.