Crop year versus calendar year as basis for compiling annual yield in coconut
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Date
2007-02-08
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Abstract
Coconuts are harvested throughout the year at an interval of about 30-60 days and the annual yield is the number of nuts obtained in a 12 month period. Two different methods of compilation of annual yield data showed that the year to year variation is more pronounced in the case of calendar year tabulation, as compared to agricultural years. When two year averages were taken, these differences were found to come down. With the help of experimental data, it has been shown that conclusions drawn can be different depending on the method of compilation of annual yield data. Analysis of mean yield for two consecutive years is suggested to overcame this problem.
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J.Plantn.Crops 1989 suppl. v-16 p-475-479