Applying the NDVI from satellite images in delimiting management zones for annual crops - Damian, Júnior Melo; Pias, Osmar Henrique de Castro; Cherubin, Maurício Roberto; Fonseca, Alencar Zachi da; Fornari, Ezequiel Zibetti; Santi, Antônio Luis (Scientia Agricola, 2020)