During 1 yr, CO2-C losses from 7 agricultural soils containing 0.5-1.5% organic C ranged from 70 to 243 mg 100 g - 1 while losses from three allophanic soils containing 4.9-8.9% organic C varied from 92 to 191 mg. Losses ...

During 1 yr, CO2-C losses from 7 agricultural soils containing 0,5-1,5% organic C ranged from 70 to 243 mg 100g-1 while losses from three allophanic soils containing 4,9-8,9% organic C varied from 92 to 191 mg. Losses as ...

In fertilized and unfertilized plots of ten Chilean allophanic soils the fraction of total-P associated with organic matter and the organic carbon content were determined. Cultivation with P fertilization for 40 yr or ...

Phenol and atrazine are recalcitrant organic pollutants considered harmful to human and aquatic life. Therefore, the developments of new technologies that allow their effective degradation are necessaries. In this context, ...