ARID - Agricultural Reference Index for Drought

Drought is the shortage of water with respect to a specified need. An agricultural drought occurs when the amount of water in the root zone is not sufficient to meet the need of a crop at a particular time. Generally, agricultural drought indices are developed to monitor crop water stress. However, ARID has been designed not merely to quantify crop water stress at a particular time or period but to estimate yield loss due to drought, in which farmers are ultimately interested...
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