AgriMet Crop Coefficients: Grass Hay (Mean)
|
Growth
Stage (%) |
Crop
Coefficient |
Growth Stage Indicators
|
| 0 | 0.60 | Break Dormancy |
| 10 | 0.69 | |
| 20 | 0.78 | |
| 30 | 0.85 | |
| 40 | 0.88 | |
| 50 | 0.92 | |
| 60 | 0.94 | Full Canopy |
| 70 | 0.95 | |
| 80 | 0.95 | |
| 90 | 0.95 | |
| 100 | 0.94 | Heading |
| 110 | 0.87 | |
| 120 | 0.80 | |
| 130 | 0.80 | |
| 140 | 0.80 | |
| 150 | 0.80 | |
| 160 | 0.80 | |
| 170 | 0.80 | |
| 180 | 0.76 | |
| 190 | 0.70 | |
| 200 | 0.65 | Killing Frost |
Curve developed by ARS research on lysimeter plots, Kimberly, Idaho 1990.
Note: Grass Hay-Mean represents an average daily water use that takes 3 seasonal cuttings into account.
See About Crop Coefficients for more information on AgriMet Crop Coefficients.
