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Original Research
Published 19 March 2026
Mechanistic insights into the role of biochar, alum, and iron sulfate in nutrient retention and DOC-associated leaching from poultry litter-amended soils
Soura Shuvra Gupta · Rishi Prasad · Debolina Chakraborty · Prasenjit Ray
Frontiers in Environmental Chemistry
doi 10.3389/fenvc.2026.1773001