Irrigation Calculator
Calculate water requirements and irrigation scheduling for your crops
Frequently Asked Questions
What is evapotranspiration (ET)?
Evapotranspiration is the combined water loss from soil evaporation and plant transpiration. It’s measured in inches per day and varies with temperature, humidity, wind, and solar radiation.
What is a crop coefficient?
The crop coefficient (Kc) adjusts reference ET for specific crops and growth stages. It typically ranges from 0.5 for early growth to 1.2 for peak demand, then decreases as crops mature.
How do I determine my irrigation system efficiency?
Efficiency depends on system type: flood (50-70%), sprinkler (70-85%), drip (85-95%). Account for losses from evaporation, runoff, and non-uniform distribution when calculating actual efficiency.
How often should I irrigate?
Irrigation frequency depends on soil type, crop stage, weather, and system capacity. Sandy soils need frequent, light applications; clay soils benefit from less frequent, heavier irrigations to allow proper infiltration.
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