Advancements in Biochar Modification for Enhanced Phosphorus Utilization in Agriculture

Nazir Ahmed, Lifang Deng, Chuan Wang, Zia-ul-Hassan Shah, Lansheng Deng, Yongquan Li, Juan Li, Sadaruddin Chachar, Zaid Chachar, Faisal Hayat, Bilquees Bozdar, Filza Ansari, Rashid Ali, Lin Gong and Panfeng Tu ()
Additional contact information
Nazir Ahmed: College of Horticulture and Landscape Architecture, Zhongkai University of Agriculture and Engineering, Guangzhou 510550, China
Lifang Deng: Institute of Biomass Engineering, South China Agricultural University, Guangzhou 510642, China
Chuan Wang: College of Horticulture and Landscape Architecture, Zhongkai University of Agriculture and Engineering, Guangzhou 510550, China
Zia-ul-Hassan Shah: Faculty of Crop Production, Sindh Agriculture University, Tandojam 70060, Pakistan
Lansheng Deng: College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
Yongquan Li: College of Horticulture and Landscape Architecture, Zhongkai University of Agriculture and Engineering, Guangzhou 510550, China
Juan Li: College of Horticulture and Landscape Architecture, Zhongkai University of Agriculture and Engineering, Guangzhou 510550, China
Sadaruddin Chachar: College of Horticulture and Landscape Architecture, Zhongkai University of Agriculture and Engineering, Guangzhou 510550, China
Zaid Chachar: College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou 510550, China
Bilquees Bozdar: Faculty of Crop Production, Sindh Agriculture University, Tandojam 70060, Pakistan
Filza Ansari: Faculty of Crop Production, Sindh Agriculture University, Tandojam 70060, Pakistan
Rashid Ali: Faculty of Crop Production, Sindh Agriculture University, Tandojam 70060, Pakistan
Lin Gong: Dongguan Yixiang Liquid Fertilizer Co., Ltd., Dongguan 523135, China
Panfeng Tu: College of Horticulture and Landscape Architecture, Zhongkai University of Agriculture and Engineering, Guangzhou 510550, China

Land, 2024, vol. 13, issue 5, 1-27

Abstract: The role of modified biochar in enhancing phosphorus (P) availability is gaining attention as an environmentally friendly approach to address soil P deficiency, a global agricultural challenge. Traditional phosphatic fertilizers, while essential for crop yield, are costly and environmentally detrimental owing to P fixation and leaching. Modified biochar presents a promising alternative with improved properties such as increased porosity, surface area, and cation exchange capacity. This review delves into the variability of biochar properties based on source and production methods and how these can be optimized for effective P adsorption. By adjusting properties such as pH levels and functional groups to align with the phosphate’s zero point of charge, we enhance biochar’s ability to adsorb and retain P, thereby increasing its bioavailability to plants. The integration of nanotechnology and advanced characterization techniques aids in understanding the structural nuances of biochar and its interactions with phosphorus. This approach offers multiple benefits: it enables farmers to use phosphorus more efficiently, reducing the need for traditional fertilizers and thereby minimizing environmental impacts, such as greenhouse gas emissions and P leaching. This review also identifies existing research gaps and future opportunities for further biochar modifications. These findings emphasize the significant potential of modified biochar in sustainable agriculture.

Keywords: nutrient management; agro-sustainability; engineered biochar; feedstock variability; nanotechnology; characterization; artificial intelligence (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2024
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