The Environmentalist

, Volume 28, Issue 3, pp 231–235 | Cite as

Nutrient-impregnated charcoal: an environmentally friendly slow-release fertilizer

  • Modabber Ahmed Khan
  • Ki-Wook Kim
  • Wang Mingzhi
  • Bu-Kug Lim
  • Weon-Hee Lee
  • Jong-Yoon Lee
Article

Abstract

The widespread contamination of surface and ground water quality from the heavy use of fertilizer in modern agriculture is the current concern. Therefore, this study was carried out to develop a slow-release fertilizer using charcoal. The morphology of the charcoal impregnated fertilizer was investigated by scanning electron microscopy (SEM). This study also evaluated the release patterns of N, P, and K from impregnated charcoal using a simulated soil solution and distilled water as leaching solutions. The patterns of N, P, and K releases were examined in both static and continuous-flow conditions for 360 h. Releases of N, P, and K from impregnated charcoal were found to be slow and steady. However, the release trends of N, P, and K were higher in soil solution than distilled water under both the above conditions. Dissolution occurred when N, P, and K were released in the above leached solutions. As a result, the fertilizer impregnated charcoal could be developed as slow-release type fertilizer to minimize the contamination.

Keywords

Charcoal Slow-release Fertilizer Impregnation 

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Notes

Acknowledgment

The Agricultural R & D Promotion Center (ARPC) of Korea (2030099-3) supported this work.

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • Modabber Ahmed Khan
    • 1
  • Ki-Wook Kim
    • 1
  • Wang Mingzhi
    • 1
  • Bu-Kug Lim
    • 1
  • Weon-Hee Lee
    • 1
  • Jong-Yoon Lee
    • 1
  1. 1.Department of Wood Science & Technology, College of Agriculture & Life SciencesKyungpook National UniversityDaeguRepublic of Korea

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