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Application of sewage sludge as a soil biofertilizer enhances crop productivity of alfalfa plants (Medicago sativa L.) and improves soil quality without heavy metal toxicity

Crossref DOI link: https://doi.org/10.1038/s41598-026-39561-w

Published Online: 2026-02-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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