Vol - 17, Issue - 01
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Journal of the Austrian Society of Agricultural Economics (JASAE)
Journal ID : JASAE-20-01-2021-57
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Abstract : Postharvest quality of eggplant fruit diminishes rapidly after harvest especially if placed or displayed in inappropriate storages which is very evident in local markets of Samar. Calcium as major element needed by plants, it is reported to promote postharvest qualities of vegetables. A study was arranged in Randomized Complete Block Design (RCBD) to evaluate the effects of calcium derived from organic source (eggshell and “kohol” shell) and chemical fertilizer (calcium nitrate) on the postharvest qualities, horticultural characteristics and yield components of eggplant. Results showed that yield components and growth parameters in terms of height was enhanced applied with different source of calcium (calcium nitrate, eggshell, “kohol” shell) compared to control while the days to flower initiation, number of flowers and leaves were not significantly different. Postharvest qualities of fruits was improved in plants treated with calcium. Weight loss was minimal in plants applied with calcium nitrate. Carbon dioxide percentage and respiration rate were also minimal in plants applied with calcium wherein calcium nitrate had the least CO2 production (0.37 to 0.13 %) and respiration rate (0.0275 to 0.0148 %). Visual quality appearance and firmness of fruits was prolonged with application of calcium both organic and inorganic compared. Results suggests that calcium application could improve the growth, yield, postharvest qualities of fruits and eventually the storage/shelf life.

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