Research Article
Principal Component Analysis in Monitoring Soybean Fields of Brazil through the MODIS Sensor
Carlos Antonio da Silva Junior,
Marcos Rafael Nanni,
Everson Cezar,
Aline de Carvalho Gasparotto,
Anderson Antonio da Silva,
Guilherme Fernando Capristo Silva,
Cassiele Uliana Facco and Josė Alexandre M. Demattė