The use of computer vision to classify Xaraés grass according to nutritional status in nitrogen - Mancin, Wellington Renato; Pereira, Lilian Elgalise Techio; Carvalho, Rachel Santos Bueno; Shi, Yeyin; Silupu, Wilson Manuel Castro; Tech, Adriano Rogério Bruno (Revista Ciência Agronômica, 2022)