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Optimization of NPK and silica fertilizations for seed production of IPB 3S rice varieties in Pinrang, South Sulawesi

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Research Paper 01/12/2017
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Optimization of NPK and silica fertilizations for seed production of IPB 3S rice varieties in Pinrang, South Sulawesi

Memen Surahman, Candra Budiman, Hajrial Aswidinnoor, Abdul Qadir, Ridwan Diaguna
Int. J. Agron. Agri. Res.11( 6), 102-107, December 2017.
Certificate: IJAAR 2017 [Generate Certificate]
Key: Application frequencyCultivation techniquesFertilizer combinationSeed production

Abstract

The research aim to determinee the proper NPK dose and application frequency of silica fertilizer to seed production of IPB 3S rice. The research was carried on June – September 2017 in Pinrang, South Sulawesi. A Randomyzed Completely Block Design with nine levels (75% dose + once silica application, 75% dose + twice silica application, 75% dose + thrice silica application, 100% dose + once silica application, 100% dose + twice silica application)/ (300kg NPK ha-1+ 150kg Urea ha-1 + twice silica application), 100% dose + thrice silica application, 125% dose + once silica application, 125% dose + twice silica application, and 125% dose + thrice silica application. 100% dose of fertilization is 300kg NPK ha-1 + 150kg Urea ha-1. The combinations showed significant effect to flag leaves length, filled grain panicle-1, filled grain percentage, grain weight plant-1, and grain yield ha-1. The combination of 300kg NPK ha-1 + 150kg Urea ha-1 + twice silica application obtained the highest filled grain panicle-1, filled grain percentage, grain weight plant-1, and grain yield ha-1 than others. The combination of 300kg NPK ha-1 + 150kg Urea ha-1 + twice silica application was the best fertilization on seed production of IPB 3S rice in Pinrang, South Sulawesi.

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