Coefficients Heat units (°C) Description
tt_emerg_to_endjuv 110 Thermal time from seedling emergence to end of juvenile (°C)
tt_flower_to_maturity 750 Thermal time accumulation from flowering to maturity (°C)
tt_flag_to_flower 200 Thermal time accumulation from flag stage to flowering (°C)
tt_flower_to_start_grain 50 Thermal time from flowering to start of grain filling (°C)
TPLA_max 2.9 Coefficient of total maximum plant leaf area
tpla_prod_coef 0.031 curvature coefficient for total plant leaf area
Table 1: Genetic coefficients used for modeling sorghum in APSIM.