Hydrogel-assisted application of 2-amino-6-oxopurine for improving cotton cultivation in saline soils

Soil salinization constrains cotton cultivation in arid and semi-arid regions by reducing water availability, disrupting nutrient uptake, and impairing plant development. This paper examines a proposed guanine (2-amino-6-oxopurine)-loaded hydrogel system for cotton cultivation under saline conditions. The discussion integrates hydrogel chemistry, water retention, guanine immobilization, release kinetics, and plant stress physiology. A factorial experimental design is proposed to compare saline and non-saline soils, unloaded hydrogel, guanine-loaded hydrogel, and free guanine.

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