AgriMet Crop Coefficients: Spring Grain
|
Growth
Stage (%) |
Crop
Coefficient |
Growth Stage Indicators
|
| 0 | 0.20 | Emergence |
| 10 | 0.20 | |
| 20 | 0.30 | |
| 30 | 0.60 | |
| 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 | |
| 160 | 0.96 | |
| 170 | 0.76 | |
| 180 | 0.60 | |
| 190 | 0.43 | |
| 200 | 0.28 | Leaves and Stem Dead |
Curve developed by ARS, Kimberly, Idaho, Lysimeter plots 1977-79.
See About Crop Coefficients for more information on AgriMet Crop Coefficients.
