Discriminating organic and conventional coffee production systems through soil and foliar analysis using multivariate approach - Azevedo Junior, Romildo Rocha; Santos, Janaina Biral dos; Baretta, Dilmar; Ramos, Alessandro Coutinho; Otto, Rafael; Façanha, Arnoldo Rocha; Cardoso, Elke Jurandy Bran Nogueira (Communications in Soil Science and Plant Analysis, 2019)