Evaluation of organic matter from soils treated with sewage sludge: use of quantitative...

Nickel availability on soil-plant system: effects of Ni rates and saturations ba...

Determination and physico-chemical and spectroscopic characterization grasses to...

Oxyteracycline as growth promoter antibiotic: Behavior with humic substances and...

Characterization of carbon associated with deep podzolic horizons of soils from Amazon...

Evaluation of sensibility to mineralization and detailed study of organic matter...