Advancements in Biochar Modification for Enhanced Phosphorus Utilization in Agriculture

IF 4.3 3区 材料科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Nazir Ahmed, Lifang Deng, Chuan Wang, Zia-ul-Hassan Shah, Lansheng Deng, Yongquan Li, Juan Li, S. Chachar, Zaid Chachar, Faisal Hayat, Bilquees Bozdar, Filza Ansari, Rashid Ali, Lin Gong, Panfeng Tu
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引用次数: 0

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.
生物炭改性在提高农业磷利用率方面的进展
改性生物炭在提高磷(P)可用性方面的作用日益受到关注,因为它是解决土壤缺磷这一全球农业挑战的环保方法。传统磷肥虽然对作物产量至关重要,但由于磷的固定和沥滤作用,成本高昂且对环境有害。经过改良的生物炭具有更好的特性,如孔隙度、表面积和阳离子交换能力,是一种很有前景的替代品。本综述深入探讨了生物炭特性因来源和生产方法的不同而存在的差异,以及如何优化这些特性以实现有效的磷吸附。通过调整 pH 值和官能团等特性,使其与磷酸盐的零点电荷相一致,我们可以增强生物炭吸附和保留磷的能力,从而提高其对植物的生物利用率。纳米技术与先进的表征技术相结合,有助于了解生物炭结构的细微差别及其与磷的相互作用。这种方法具有多重益处:它使农民能够更有效地利用磷,减少对传统肥料的需求,从而最大限度地减少对环境的影响,如温室气体排放和磷沥滤。本综述还指出了现有的研究空白和未来进一步改性生物炭的机会。这些发现强调了改性生物炭在可持续农业中的巨大潜力。
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来源期刊
CiteScore
7.20
自引率
4.30%
发文量
567
期刊介绍: ACS Applied Electronic Materials is an interdisciplinary journal publishing original research covering all aspects of electronic materials. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials science, engineering, optics, physics, and chemistry into important applications of electronic materials. Sample research topics that span the journal's scope are inorganic, organic, ionic and polymeric materials with properties that include conducting, semiconducting, superconducting, insulating, dielectric, magnetic, optoelectronic, piezoelectric, ferroelectric and thermoelectric. Indexed/​Abstracted: Web of Science SCIE Scopus CAS INSPEC Portico
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