Effects of rock phosphate and vermicompost on off-season longan production
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Abstract
Results showed that applying rock phosphate and vermicompost to longan plants, as partial replacement of chemical fertilizer prior to the KClO3 application, showed effectiveness in off-season longan production. Application of rock phosphate and vermicompost to longan plants at a 4:8 kilogram per plant level, resulted in the best off-season longan production quality. Yield quality in terms of fruit number, fruit weight and total fruit weight were highest, significantly higher than other levels and control group (p £0.05). It also resulted in highest in inflorescences, flowers numbers and total soluble solids content (°Brix). These findings benefit to longan producers by reducing chemical fertilizers and also helps to improve soil quality as well, since soil pH improved in the experimental group.
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