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<p>Pursuing sustainable agricultural production necessitates innovative approaches to enhance nutrient use efficiency and mitigate the environmental impact of fertilizer use in cropping systems. Biochar-based controlled-release fertilizers (BCRFs) have emerged as a promising solution to address these challenges. This paper reviews BCRF production methods, nutrient retention mechanisms, and effects on plant growth and the environment compared with conventional fertilizers. Various techniques have been used to improve the fertilizer efficiency of BCRFs, including impregnation, coating, granulation, co-pyrolysis, hydrothermal synthesis, and in-situ pyrolysis, each offering unique advantages in controlling nutrient release. BCRFs facilitate nutrient retention and gradual release, improving soil nutrient use efficiency. The BCRFs also improve soil structure and enhance microbial activities and root growth, thereby fostering resilient and productive crops. BCRFs have considerable potential for carbon sequestration, mitigation of greenhouse gas emissions, reduction in nutrient leaching and environmental impact, contributing to sustainable agricultural practices compared to the use of conventional fertilizers (e.g., synthetic or chemical fertilizers). However, attention is needed to address challenges concerning the economic feasibility, scalability, and regulatory frameworks associated with using BCRFs. BCRFs offer a promising pathway for improving nutrient management in agriculture; however, interdisciplinary efforts are needed to unlock their full potential in enhancing plant growth and environmental sustainability.</p>

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Biochar-based controlled-release fertilizers for enhancing plant growth and environmental sustainability: a review

  • 期刊论文

  • 发表日期：

    2025年1月11日

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  • Kumuduni Niroshika Palansooriya,
  • Pavani Dulanja Dissanayake,
  • Ali El-Naggar,
  • Erandi Gayesha,
  • Hasintha Wijesekara,
  • Nageshwari Krishnamoorthy,
  • Yanjiang Cai,
  • Scott X. Chang

摘要

Pursuing sustainable agricultural production necessitates innovative approaches to enhance nutrient use efficiency and mitigate the environmental impact of fertilizer use in cropping systems. Biochar-based controlled-release fertilizers (BCRFs) have emerged as a promising solution to address these challenges. This paper reviews BCRF production methods, nutrient retention mechanisms, and effects on plant growth and the environment compared with conventional fertilizers. Various techniques have been used to improve the fertilizer efficiency of BCRFs, including impregnation, coating, granulation, co-pyrolysis, hydrothermal synthesis, and in-situ pyrolysis, each offering unique advantages in controlling nutrient release. BCRFs facilitate nutrient retention and gradual release, improving soil nutrient use efficiency. The BCRFs also improve soil structure and enhance microbial activities and root growth, thereby fostering resilient and productive crops. BCRFs have considerable potential for carbon sequestration, mitigation of greenhouse gas emissions, reduction in nutrient leaching and environmental impact, contributing to sustainable agricultural practices compared to the use of conventional fertilizers (e.g., synthetic or chemical fertilizers). However, attention is needed to address challenges concerning the economic feasibility, scalability, and regulatory frameworks associated with using BCRFs. BCRFs offer a promising pathway for improving nutrient management in agriculture; however, interdisciplinary efforts are needed to unlock their full potential in enhancing plant growth and environmental sustainability.