Irrigation Engineering
Effective precipitation for a crop may be defined as

Total precipitation minus the loss due to infiltration
Available water stored in soil within root zone of the crop
Total precipitation during the crop period
Total precipitation minus the loss due to evaporation

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Irrigation Engineering
Infiltration rate is always

less than the infiltration capacity
more than the infiltration capacity
equal to or more than the infiltration capacity
equal to or less than the infiltration capacity

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