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Mostrando ítems 21-30 de 314
Broiler litter applications and chemical properties of highly weathered soilsAplicaciones de gallinaza afectan las propiedades químicas de suelos altamente meteorizados
(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 2012)
Effect of chicken manure on chemical properties of a Mollisol and tomato productionEfecto de la gallinaza en las propiedades químicas de un Mollisol y en la producción de tomates.
(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 1993)
Improving the efficiency in the detection of gamma activities in environmental soil samples: influence of the granulometry and soil density
(Springer, 2019-07)
In this work the efficiency calibration curves for a HPGe gamma detector were obtained from soil standards prepared in our laboratory using typical Argentine regional soils. They were made in pot and Petri dish geometries, ...
Climate change and computational chemistry: a molecular perspectiveEl cambio climático y la química computacional: una perspectiva molecular
(Pontificia Universidad Católica del Perú, 2017)
Swelling and aggregation of Leonardite upon pH change and Pb II binding: An AFM study
(Csiro Publishing, 2018-02)
Environmental context Natural organic materials, such as humic substances, play key roles in the binding and environmental fate of metals. We study the interaction of protons and metal ions with humic acids, and show changes ...
Abiotic factors affect the recruitment and biomass of perennial grass and evergreen shrub seedlings in denuded areas of Patagonian Monte rangelands
(Academic Press Ltd - Elsevier Science Ltd, 2018-07)
Assessing the ability of key species to cope with environmental stresses in disturbed areas is an important issue for recovery of degraded arid ecosystem. Our objective was to evaluate the effect of soil moisture, exposure ...
Degradation of monensin on soils: Influence of organic matter and water content
(Taylor & Francis Ltd, 2010-02)
Different kinds of pharmaceutical compounds (PhC) are used in veterinary medicine. Intensive bovine production involves the use of growth promoters that reach the environment through animal excreta. The most widely used ...