Preparation of slow-release fertilizer derived from rice husk silica, hydroxypropyl methylcellulose, polyvinyl alcohol and paper composite coated urea.

Heliyon · 2025 · PMC11791223 · PMID 39906810

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marginally significantno p-value reported

Regression analysis produced a response surface equation for percentage nutrient release, capturing both significant and marginally significant terms.

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