Crop Coefficients for: Sugar beets Temperature Limits for Growing Degree Day Estimation Upper Limit = 86.0 F Lower Limit = 50.0 F Coefficient and GDD accumulation at the beginning of each growth stage for various maturity groups: STAGE KC Emergence 0.10 0.0 0.0 0.0 Cover20-30 0.14 247.0 247.0 247.0 Cover30-50 0.21 438.0 438.0 438.0 Cover50-70 0.34 637.0 637.0 637.0 Cover70-80 0.48 846.0 846.0 846.0 Cover80-90 0.60 1070.0 1070.0 1070.0 Cover90-Fu 0.73 1267.0 1267.0 1267.0 Full Cover 0.83 1486.0 1486.0 1486.0 Max LAI 0.91 1619.4 1668.6 1717.8 Root Stg 0.91 2031.8 2232.9 2434.1 After Fros 0.90 2300.0 2600.0 2900.0