ArticleScientific reports2025
Enhancement of sandy soil water retention using superabsorbent carboxymethyl cellulose grafted with polyacrylamide and polyacrylamidomethyl propanesulfonic acid copolymer.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed.
- Novel Superabsorbent Hydrogels Based on Polyacrylamide and White Angico Gum Enhanced with Kaolinitic Clay and Soapstone for Potential Agricultural Applications.International journal of molecular sciences · 2026Article
- Photocatalytic degradation of Congo red dye using innovative cerium titanate nanorods embedded in a cellulose-based hydrogel.Scientific reports · 2026Article
- Structure-Property Relationship in Composite Superabsorbents: How Butyl Succinate Architecture Affects Water Uptake and Phytotoxicity?Gels (Basel, Switzerland) · 2026Article
- Eco-Mechanical Optimization of Composite-Amended Sandy Substrate forPlants (Basel, Switzerland) · 2026Article
- Combined Experimental, DFT, and MD Investigation Toward the Rational Design of Desert Planting Substrates.Molecules (Basel, Switzerland) · 2026Article
- Hydrogels for Climate Change Mitigation: Applications in Water Harvesting, Passive Cooling, and Environmental Solutions.Gels (Basel, Switzerland) · 2025Review
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5 authors.
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Abstract
To enhance the productivity of sandy soil, considerable efforts have been devoted to improving its water retention capacity, thereby reducing the frequency of irrigation and minimizing water loss through evaporation. The present study aimed to develop carboxymethyl cellulose (CMC)-grafted-(polyacrylamide (PAM)-co-2-acrylamido-2-methylpropanesulfonic acid (PAMPS) superabsorbent hydrogel (SAH) for effective water retentionin sandy soil. Characterization of the grafted copolymer hydrogel was performed using Fourier transform infrared spectroscopy (FTIR), X-ray diffractometer (XRD), scanning electron microscopy (SEM), and thermogravimetric analysis (TGA). The synthesized CMC-g-(PAM-co-PAMPS) SAH exhibited improved thermal stability, demonstrating a half-weight loss at 391 °C compared to 331 °C for the pure CMC biopolymer. The consequence of various grafting conditions on the percentage add-on was systematically optimized. Additionally, factors influencing water uptake behavior, including contact time, pH and temperature of the medium, particle sizes, and total dissolved salts, were investigated. The results indicated that increasing the co-monomer ratio from 3 to 18% significantly raised the % add-on value from 81 to 97.4%. The developed SAH showed an exceptionalwater uptake capacity of 313 g/g within a short duration of 15 min. Furthermore, it demonstrated the ability to reabsorb water over five successive cycles, achieving an efficiency exceeding 70%. The incorporation of the SAH into sandy soil resulted in a reduction of water outflow, with a significant decrease in the flow rate from 0.96 to 0.32 cm/min. The fabricated superabsorbent hydrogel presents a promising approach for enhancing water retention in sandy soil.
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