Forecasting of cashew yield from plantations

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dc.contributor.authorGeorge, M.V.
dc.contributor.authorVijayakumar, K.
dc.contributor.authorAmarnath, C.H.
dc.date.accessioned2014-06-19T06:38:46Z
dc.date.available2014-06-19T06:38:46Z
dc.date.issued2007-02
dc.description.abstractA method to forecast the cashew yield from targe plantations based on biometrical characters/yield attributes from small sample of trees was attempted. For this purpose, data collected during 1982 and 1983 from Cashew Plantations at Muliyar and Perla and during 1982, 1983 and 1984 from Periya belonging to the Plantation Corporation of Kerala were made use of. A double sampling procedure was used to get a ratio estimate by which a small sample (n) is used for detailed observations and a large sample (n)is used for recording an easily observable character. In gardens ranging between 100 to 300 cashew trees a maximum of 200 trees for recording the character condition of flowering graded 0 to 5 and a sub sample of 20 trees for recording the canopy area and estimated number of nuts at all stages of maturity are sufficient to give an yield estimate of the garden with 20 per cent deviation at 5% level of significance. Double sampling was relatively two to three times efficient than simple random sampling. This methodology can be safely adopted to forecast the total yield from large plantations by subdividing the area into blocks of 150 to 300 trees considering the natural boundaries and selecting a small sample of such blocks, according to any suitable sampling design.en_US
dc.identifier.citationJ.Plantn.Crops 1989 Suppl. 16 493-497en_US
dc.identifier.urihttp://hdl.handle.net/123456789/3086
dc.language.isoenen_US
dc.titleForecasting of cashew yield from plantationsen_US
dc.typeArticleen_US

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