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Alginate based hydrogels shows water holding capacities and is used as a water reservoir for agricultural applications due to its unique chemical composition and structural characteristics. Sodium alginate-based hydrogels were prepared by adding nano cellulose, diammonium phosphate, and urea using calcium chloride as cross-linking agent. The hydrogels formed were characterized using FT-IR spectroscopy, and evaluated their swelling behavior, water holding capacity, nitrogen, phosphorus and urea release, water retention and biodegradation.

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Preparation and Evaluation of Alginate Based Hydrogel for Controlled Fertilizer Delivery

  • 会议论文

  • 发表日期：

    2025年

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  • Deepa Thomas,
  • R. Saranya,
  • R. Reshmy

摘要

Alginate based hydrogels shows water holding capacities and is used as a water reservoir for agricultural applications due to its unique chemical composition and structural characteristics. Sodium alginate-based hydrogels were prepared by adding nano cellulose, diammonium phosphate, and urea using calcium chloride as cross-linking agent. The hydrogels formed were characterized using FT-IR spectroscopy, and evaluated their swelling behavior, water holding capacity, nitrogen, phosphorus and urea release, water retention and biodegradation.