TY  - SER
AU  - Lucas,D.D.P.
AU  - Heldwein,A.B.
AU  - Innah,F.D.
AU  - Maldaner,I.C.
AU  - Loose,L.H.
TI  - Estimation of leaf area index in the sunflower as a function of thermal time
KW  - GIRASSOL
KW  - MODELO MATEMÁTICO
KW  - ANÁLISE FOLIAR
ER  -