A Mini-Review on Chitosan-Based Hydrogels with Potential for Sustainable Agricultural Applications
Agriculture is an important sector of the economy, but this industry consumes significant amounts of water, which is a precious and limited natural resource. Irrigation techniques and efforts to mitigate water usage influence the growth, survival, and yield of crops. However, superabsorbent polymers...
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| Veröffentlicht in: | Polymers 2020-10, Vol.12 (10), p.2425 |
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| creator | Michalik, Regina Wandzik, Ilona |
| description | Agriculture is an important sector of the economy, but this industry consumes significant amounts of water, which is a precious and limited natural resource. Irrigation techniques and efforts to mitigate water usage influence the growth, survival, and yield of crops. However, superabsorbent polymers in combination with fertilizers can be employed to obtain sustained release of nutrients and improved water retention capacity of the soil. Despite significant recent progress in this area involving synthetic polyacrylate hydrogels, there are no industrially applicable solutions exhibiting similar performance using natural biopolymers or synthetic polymers enriched with natural components. This review focuses on biodegradable chitosan-based hydrogels (both natural and semi-synthetic), and discusses their potential agricultural and horticultural applications. The methods for synthesizing hydrogels via physical or chemical crosslinking, and the resulting functional properties of recently reported hydrogels, such as water retention and release of active ingredients, are presented herein. |
| doi_str_mv | 10.3390/polym12102425 |
| format | Article |
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| source | PubMed Central Open Access; MDPI - Multidisciplinary Digital Publishing Institute; EZB-FREE-00999 freely available EZB journals; PubMed Central |
| subjects | Acids Acrylic resins Agriculture Antimicrobial agents Biodegradability Biopolymers Chemical synthesis Chitosan Crosslinking Fertilizers Horticulture Hydrogels Molecular weight Nanoparticles Natural resources Nutrients Polymers Polyvinyl alcohol Review Superabsorbent polymers Sustained release Water consumption |
| title | A Mini-Review on Chitosan-Based Hydrogels with Potential for Sustainable Agricultural Applications |
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