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Ecosistemas y recursos agropecuarios
versión On-line ISSN 2007-901Xversión impresa ISSN 2007-9028
Resumen
LAREDO-ALCALA, Elan Iñaky et al. Effect of biodegradable hydrogels on moisture retention and germination of alfalfa. Ecosistemas y recur. agropecuarios [online]. 2023, vol.10, n.2, e3133. Epub 22-Sep-2023. ISSN 2007-901X. https://doi.org/10.19136/era.a10n2.3133.
Biodegradable hydrogels obtained from natural sources are non-toxic materials with a large water retention capacity, hence a valuable alternative for the rational use of water in agriculture applications. The aim of the present work was to evaluate the effect of hydrogels formulated from natural polymers (alginate, nopal polysaccharides, aloe polysaccharides, and chitosan) on water retention capacity, biodegradable potential as well as the morphometry and germination of alfalfa seedlings compared with potassium polyacrylate hydrogel (commercial control). A total of 36 treatments were characterized under controlled conditions at the laboratory level obtaining that in comparison with the commercial control, PSGCL hydrogel presented the highest water retention value, whereas all the hydrogels obtained from natural polymers had greater biodegradable potential. Regarding to germination of alfalfa seedlings, PSGP hidrogel presented the most outstanding performance in term of percentage of germination, plant height and foliage development with respect to absolute control and the rest of the treatments.
Palabras llave : Water; irrigation; efficiency; biopolymers; sustainability.