Crop: |
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Earliest planting: |
Total area: |
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Latest planting: |
Duration of crop growth phases |
Crop factors (Kc) | |
Initial stage: |
days |
Kc: |
Crop devt. Stage: |
days |
Kc: |
Mid season: |
days |
Kc: |
Late season: |
days |
Kc: |
Month |
Jan |
Feb |
Mar |
Apr |
May |
June |
July |
Aug |
Sept |
Oct |
Nov |
Dec |
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ET0 (mm/day) |
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Pe (mm/mon) |
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Growth stages |
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Kc per gr. st. |
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Kc per month1 |
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ETcr mm/mon2 |
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INe mm/mon3 |
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Growth stages |
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Kc per gr. st. |
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Kc per month1 |
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ETcr mm/mon2 |
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INl mm/mon3 |
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INav mm/mon |
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SINnet l/s4 |
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1
average of Kc per month
2 ETcr (mm/mon) = ET0 (mm/day) x crop growing days per month x Kc (per month)
3 INe or INl (mm/mon) = ETcr (mm/mon) - Pe (mm/mon)
4 SINnet = (INav x Area) / 260