TY - JOUR T1 - Comparing two versions of a non-linear model for simulating leaf number and developmental stages in maize based on air temperature JO - Ciência Rural A1 - Streck, Nereu Augusto A1 - Gabriel, Luana Fernandes A1 - Samboranha, Flavia Kaufmann A1 - Lago, Isabel A1 - Schwantes, Ana Paula A1 - Schons, Alfredo SN - 0103-8478 UL - 10.1590/S0103-84782008005000089 VL - 39 Y1 - 2009 PB - Brasil ER -