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AgriMet Crop Coefficients: Potatoes


Growth
Stage (%)
Crop
Coefficient
Growth Stage Indicators
0 0.30 Emergence
10 0.30  
20 0.35  
30 0.40  
40 0.50  
50 0.60  
60 0.70  
70 0.80  
80 0.86  
90 0.90  
100 0.93 Rows Closed
110 0.93  
120 0.93  
130 0.93  
140 0.91  
150 0.87  
160 0.82  
170 0.80  
180 0.75  
190 0.65  
200 0.50 Vines Dead

Curve developed by ARS, Kimberly, Idaho, from lysimeter plots 1972.

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Last Updated: 1/28/16