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AgriMet Crop Coefficients: Alfalfa (Peak)


Growth
Stage (%)
Crop
Coefficient
Growth Stage Indicators
0 0.15 Break Dormancy
10 0.20  
20 0.40  
30 0.58  
40 0.69  
50 0.79  
60 0.90 Full Cover
70 1.00  
80 1.00  
90 1.00  
100 1.00 First sign of bloom
110 1.00  
120 1.00  
130 1.00  
140 1.00  
150 1.00  
160 1.00  
170 1.00  
180 1.00  
190 1.00  
200 1.00 Killing Frost

Curve developed by ARS research on lysimeter plots, Kimberly, Idaho 1969-75.
Note: Alfalfa-Peak represents the daily consumptive use for actively growing mature (uncut) alfalfa.

See About Crop Coefficients for more information on AgriMet Crop Coefficients.