Composting of organic wastes: process optimization and evaluation of product quality.
Effects of application of organic and inorganic amendments (municipal solid waste compost, sewage sludge, biochar, red gypsum, sugar foam, biomass combustion ash, etc.) on crops and soil physical, chemical, mineralogical, and biological properties.
Transformation and stabilization processes of soil organic matter and its impact on the quality of the soil system and the global C cycle.
Evaluation of industrial byproducts for in situ retention of toxic elements in soils: chemical and mineralogical implications.
Application of ecotoxicity and mutagenicity assays for pollution and toxicological risk assessments associated with the agricultural use of organic amendments.
Contribution to improve our knowledge of the mechanisms of organic matter stabilization in amended soils.
Courtier-Murias D., Simpson A.J., Marzadori C., Baldoni G., Ciavatta C., Fernández J.M., López-de-Sá E.G. & Plaza C. 2013. Unraveling the long-term stabilization mechanisms of organic materials in soils by physical fractionation and NMR spectroscopy. Agriculture, Ecosystems and Environment 171: 9-18.
Development of fractionation method to isolate functionally different soil organic matter pools.
Plaza C., Courtier-Murias D., Fernández J.M., Polo A. & Simpson A.J. 2013. Physical, chemical, and biochemical mechanisms of soil organic matter stabilization under conservation tillage systems: A central role for microbes and microbial by-products in C sequestration. Soil Biology & Biochemistry 57: 124-134.
Contribution to improve our knowledge of the effects of organic amendment on soils and plants.
Franco-Otero V.G., Soler-Rovira P., Hernández D., López-de-Sá E.G. & Plaza C., 2012. Short-term effects of organic municipal wastes on wheat yield, microbial biomass, microbial activity and chemical properties of soil. Biology and Fertility of Soils 48: 205-216.
Application of red gypsum, sugar foam and ashes from the combustion of biomass to reduce leachability of toxic elements in polluted sediments.
M.P. Rodríguez-Jordá, F. Garrido, and M.T. García-González. 2012. Effect of the addition of industrial by-products on Cu, Zn, Pb and As leachability in a mine sediment. Journal of Hazardous Materials 213-214, 46-54.
A practical approach to the basic mutagenic assay (Ames test) for toxicological assessment of substances and mixtures (wastes and organic amendments).
Pillco A., de la Peña E., 2014. Ames test (bacterial reverse mutation test): why, when, and how to use. In: L. Sierra M., Gaivão I. (Eds.), Genotoxicity and DNA Repair: A Practical Approach, Methods in Pharmacology and Toxicology, 1-9 pp. Springer, NY.