Giannetta, Beatrice Iron Speciation in Organic Matter Fractions Isolated from Soils Amended with Biochar and Organic Fertilizers. [electronic resource] - Environmental science & technology 04 2020 - 5093-5101 p. digital Publication Type: Journal Article ISSN: 1520-5851 Standard No.: 10.1021/acs.est.0c00042 doi Subjects--Topical Terms: CharcoalFerric CompoundsFertilizersIronSoil