TY - JOUR

T1 - Cow Dung-Based Superabsorbent Polymers as Water-Retaining Amendments of Soils

AU - Zhou, Y.

AU - Guo, X.

AU - Li, Z.

AU - Liu, W.

AU - Yang, W.

AU - Zhang, Y.

AU - Du, H.

AU - Abakumov, E.

AU - Wu, D.

AU - Dai, J.

AU - Zhang, P.

AU - Yao, F.

AU - Xie, X.

N1 - Export Date: 21 October 2024 Адрес для корреспонденции: Xie, X.; Key Laboratory of Poyang Lake Environment and Resource Utilization, China; эл. почта: 24255542@qq.com Сведения о финансировании: National Natural Science Foundation of China, NSFC, 52070094 Сведения о финансировании: Nanchang University, NCU, 202210403102, S202210403083 Сведения о финансировании: HX202112220004 Сведения о финансировании: Natural Science Foundation of Jiangxi Province, 20232ACB203009 Сведения о финансировании: S2021CQKJ0696/jxsq2023101022 Сведения о финансировании: 230724572207282 Сведения о финансировании: 075-15-2022-322 Сведения о финансировании: 20223BBF61019 Сведения о финансировании: JXJG-22-1-17 Текст о финансировании 1: This work was supported by the Federal budget of the Russian Federation, by a Grant to support for the creation and development of a World-Class Scientific Center Agrotechnologies for the Future (project no. 075-15-2022-322; date, 22 April 2022), Jiangxi Province \u201CDouble Thousand\u201D Plan Innovation Leading Talent Long Term Project (S2021CQKJ0696/jxsq2023101022), Key R&D projects in Jiangxi Province (20223BBF61019), Key Projects of Jiangxi Natural Science Foundation (20232ACB203009), National Natural Science Foundation of China (52070094), University-Industry Collaborative Education Program of Chinese Education Ministry (230724572207282), Higher Education Reform Research Project of Jiangxi Province (JXJG-22-1-17), Project of Nanjing University & Yancheng Academy of Environment Protection Technology and Engineering (HX202112220004), First class undergraduate course construction project and Student innovation and entrepreneurship training program of Nanchang University (202210403102 and S202210403083).

PY - 2024/10/7

Y1 - 2024/10/7

N2 - Persistent dry conditions have significantly affected agricultural productivity, while also posing a threat to food security. To alleviate the effects of aridity, superabsorbent polymers have been widely used to improve soil water retention and increase drought tolerance in the soil recently. However, most of their raw materials originate from petroleum-based materials, which raises concerns about their biodegradability and environmental effect. This study focuses on creating cow dung-based superabsorbent polymers (CDSP) with excellent swelling capacities, achieving up to 494 g/g at solubilization equilibrium due to its porous properties and excellent water affinity. After five cycles, the swelling ratio of the group with better performance remained at nearly 300 g/g. The water retention capacity of the soil amended with CDSP increased by 1-3 times compared to the original, with the duration of water retention extending from 51 h to 72-120 h. More interestingly, CDSP improved soil pore structure and plant drought resistance, extending the survival time of plant under water deficit and increasing fresh plant weight by up to 2.6 times. These findings demonstrated the CDSP as a potential soil enhancer and a solution to climate-induced drought challenge, showing their effectiveness in sustainable agricultural development and waste resource utilization. © 2024 American Chemical Society.

AB - Persistent dry conditions have significantly affected agricultural productivity, while also posing a threat to food security. To alleviate the effects of aridity, superabsorbent polymers have been widely used to improve soil water retention and increase drought tolerance in the soil recently. However, most of their raw materials originate from petroleum-based materials, which raises concerns about their biodegradability and environmental effect. This study focuses on creating cow dung-based superabsorbent polymers (CDSP) with excellent swelling capacities, achieving up to 494 g/g at solubilization equilibrium due to its porous properties and excellent water affinity. After five cycles, the swelling ratio of the group with better performance remained at nearly 300 g/g. The water retention capacity of the soil amended with CDSP increased by 1-3 times compared to the original, with the duration of water retention extending from 51 h to 72-120 h. More interestingly, CDSP improved soil pore structure and plant drought resistance, extending the survival time of plant under water deficit and increasing fresh plant weight by up to 2.6 times. These findings demonstrated the CDSP as a potential soil enhancer and a solution to climate-induced drought challenge, showing their effectiveness in sustainable agricultural development and waste resource utilization. © 2024 American Chemical Society.

KW - Cow dung

KW - Resource utilization

KW - Soil amendment

KW - Superabsorbent polymers

KW - Water-retaining agent

KW - Elastomers

KW - Ionomers

KW - Agricultural productivity

KW - Dry condition

KW - Food security

KW - Resources utilizations

KW - Soil water retention

KW - Superabsorbent polymer

KW - Water retaining

KW - Water-retaining agents

KW - Fertilizers

UR - https://www.mendeley.com/catalogue/4354f44e-4bdb-3060-b12e-08c67aceedb7/

U2 - 10.1021/acssuschemeng.4c05581

DO - 10.1021/acssuschemeng.4c05581

M3 - статья

VL - 12

SP - 14821

EP - 14831

JO - ACS Sustainable Chemistry and Engineering

JF - ACS Sustainable Chemistry and Engineering

SN - 2168-0485

IS - 40

ER -