
AgriMet Crop Coefficients: Winter Grain
Growth
Stage (%) |
Crop
Coefficient |
Growth Stage Indicators
|
0 | 0.22 | Break Dormancy |
10 | 0.40 | |
20 | 0.56 | |
30 | 0.70 | |
40 | 0.83 | |
50 | 0.94 | |
60 | 0.98 | |
70 | 1.00 | Full Canopy |
80 | 1.00 | |
90 | 1.00 | |
100 | 1.00 | Heading |
110 | 1.00 | |
120 | 1.00 | |
130 | 1.00 | |
140 | 1.00 | |
150 | 1.00 | Medium Dough |
160 | 0.96 | |
170 | 0.76 | |
180 | 0.60 | |
190 | 0.43 | |
200 | 0.28 | Leaves and Stems Dead |
Curve developed by ARS, Kimberly, Idaho, from lysimeter plots 1977-78.
See About Crop Coefficients for more information on AgriMet Crop Coefficients.