TY  - SER
AU  - Ferri,C.P.
AU  - Formaggio,A.R.
AU  - Schiavinatu,M.A.
TI  - Narrow band spectral indexes for chlorophyll determination in soybean canopies (Glycine max (L.)Merril)
KW  - SOJA
KW  - BIOLOGIA VEGETAL
KW  - CLOROFILA
ER  -