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Mostrando 10 resultados de: 714
Changes in organic carbon and microbiology community structure due to long-term irrigated agriculture on Luvisols in the Brazilian semi-arid region
ArticleAbstract: Changes in the global water cycle affect irrigation requirements and soil processes as well as the sPalabras claves:Chromic Luvisol, DGGE, Land use, microorganism, Soil management systemAutores:Araújo Filho J.C.d., Araujo J.K.S., Ferreira T.O., Fracetto F.J.C., Fracetto G.G.M., Santos J.C.B.d., Silva A.H.N.d., Sousa M.G., Souza-Junior V.S., Xosé Luis Otero PérezFuentes:scopusChanges in soil hydro-physical properties and SOM due to pine afforestation and Grazing in Andean environments cannot be generalized
ArticleAbstract: Andean ecosystems provide important ecosystem services including streamflow regulation and carbon sePalabras claves:Andosols, Anthropogenic activities, High montane forests, land use change, ParamoAutores:Carlos Quiroz Dahik, Giovanny Mosquera, Jan Jozef Albert Feyen, Marín Franklin, Patricio Javier Crespo-Sánchez, Pedro CisnerosFuentes:scopusChanges in soil profile characteristics through cultivation of an upland Vertisol in Zambia
ArticleAbstract: Crops grown on virgin upland Vertisols of Zambia, are reported to perform rather poorly. However, suPalabras claves:Crop production, Soil management, Vertisols, ZambiaAutores:Deckers J.A., Jan Jozef Albert Feyen, Mulonga W.Fuentes:googlescopusChanges in the physicochemical properties of soils in a chronosequence of Tectona grandis plantation
OtherAbstract:Palabras claves:Autores:CO Marquez PereiraFuentes:googleCharacterization of humic substances in salt marsh soils under sea rush (Juncus maritimus)
ArticleAbstract: Humic substances (HS) from salt marsh soils were characterized and the relationships among HS composPalabras claves:humic substances, Juncus maritimus, Salt marsh soils, spectroscopyAutores:Álvarez M.A., González-Pérez M., Santín C., Vázquez F.M., Vidal-Torrado P., Xosé Luis Otero PérezFuentes:scopusCharacterization of tuber blight-suppressive soils from four provinces of the Ecuadorean Andes
ArticleAbstract: Late blight, caused by the oomycete Phytophthora infestans, is a threat to potato-cropping systems wPalabras claves:Andes, PHYTOPHTHORA INFESTANS, Solanum tuberosum, suppressive soils, terminal restriction fragment length polymorphismAutores:Alma R. Koch, Andrade-Piedra J.L., C. I. Díaz, Carla D. Garzón, D. C. Mogrovejo, D. J. Villamarín, Forbes G.A., Francisco Javier Flores Flor, Gabriela K. Orquera-Tornakian, Jaime Gía, Jarrin F., L. K. Ponce, María Soledad Benítez, Molineros J.E., Ricardo F. OlivaFuentes:scopusChemical and physical properties of shrimp pond bottom soils in Ecuador
ArticleAbstract: Chemical and physical analyses were conducted on bottom soil samples from 74 brackish-water ponds rePalabras claves:Autores:Boyd C.E., Stanislaus SonnenholznerFuentes:googlerraaescopusChemical changes in organic matter after fungal colonization in a nitrogen fertilized and unfertilized Norway spruce forest
ArticleAbstract: Background and aims: Decomposition and transformation of organic matter (OM) in forest soils are conPalabras claves:Fungal community composition, Infrared spectroscopy, Near-edge X-ray absorption fine structure (NEXAFS) spectroscopy, Nitrogen fertilization, Norway spruce forest, Organic matter decompositionAutores:Bahr A., Bargar J.R., Bone S.E., Ellström M., Juan Pablo Almeida, Nicolás C., Persson P., Rosenstock N.P., Tunlid A., Wallander H.Fuentes:scopusChemical speciation of cadmium: An approach to evaluate plant-available cadmium in Ecuadorian soils under cacao production
ArticleAbstract: Elevated concentration of cadmium (Cd) in cacao beans has raised serious concerns about the chocolatPalabras claves:Available Cd, cacao, Cadmium, ECUADOR, fractionation, soil contaminationAutores:Baligar V.C., Eduardo Gutiérrez, He Z.L., Li Y.C., Mylavarapu R.S., Stoffella P.J.Fuentes:googlescopusChemistry and genesis of soils developed under restinga vegetation in São Paulo state, Brazil
ArticleAbstract: Restinga is a term currently used for the vegetation on the poor and sandy soils of the coastal plaiPalabras claves:Dithionite-citrate, Na pyrophosphate, Oxalate ammonium, Podzolization, Selective dissolution, SpodosolAutores:Coelho M.R., Martins V.M., Vázquez F.M., Vidal-Torrado P., Xosé Luis Otero PérezFuentes:scopus