Madras Agricultural Journal
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RAINFALL CLIMATOLOGY-A TOOL FOR CROP PLANNIN

Abstract

                                Analaysis of rainfall for 47 years (1951-1997) at Coimbatore was done to find out the occurance of normal, abnormal and drought months. Monthly probability analysis was also made to compute R/PE ratio. For Coimbatore a growing period of 75 days may be planned for annual cropping from last week of September to first week of December without any greater risk.

Key words : Rainfall data, Probability analysis, R/PE ratio, Crop growing period

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