Tokés, B Soft ligands--biodegradable complexants in plant cultivation and environmental protection. [electronic resource] - Die Pharmazie Feb 2006 - 166-70 p. digital Publication Type: Journal Article ISSN: 0031-7144 Subjects--Topical Terms: Biodegradation, EnvironmentalChelating Agents--chemistryEdetic Acid--chemistryEnvironmental Pollutants--analysisHydrogen-Ion ConcentrationLigandsMetals--chemistryPlant DevelopmentPlants--metabolismSolubilityStructure-Activity Relationship