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resumen

Resumen
Increasing global demand for oil seeds and cereals during the past 50 years has caused an expansion in the cultivated areas and resulted in major soil management and crop production changes throughout Bolivia, Paraguay, Uruguay, Argentina and southern Brazil. Unprecedented adoption of no-tillage as well as improved soil fertility and plant genetics have increased yields, but the use of purchased inputs, monocropping i.e., continuous soybean (Glycine max [ver mas...]
dc.contributor.authorWingeyer, Ana Beatriz
dc.contributor.authorAmado, Telmo Jorge Carneiro
dc.contributor.authorPérez Bidegain, Mario
dc.contributor.authorStuddert, Guillermo
dc.contributor.authorPerdomo Varela, Carlos Honorio
dc.contributor.authorGarcía, Fernando O.
dc.contributor.authorKarlen, Douglas L.
dc.date.accessioned2018-08-08T12:27:27Z
dc.date.available2018-08-08T12:27:27Z
dc.date.issued2015
dc.identifier.issn2071-1050
dc.identifier.otherhttps://doi.org/10.3390/su7022213
dc.identifier.urihttp://hdl.handle.net/20.500.12123/3011
dc.identifier.urihttp://www.mdpi.com/2071-1050/7/2/2213
dc.description.abstractIncreasing global demand for oil seeds and cereals during the past 50 years has caused an expansion in the cultivated areas and resulted in major soil management and crop production changes throughout Bolivia, Paraguay, Uruguay, Argentina and southern Brazil. Unprecedented adoption of no-tillage as well as improved soil fertility and plant genetics have increased yields, but the use of purchased inputs, monocropping i.e., continuous soybean (Glycine max (L.) Merr.), and marginal land cultivation have also increased. These changes have significantly altered the global food and feed supply role of these countries, but they have also resulted in various levels of soil degradation through wind and water erosion, soil compaction, soil organic matter (SOM) depletion, and nutrient losses. Sustainability is dependent upon local interactions between soil, climate, landscape characteristics, and production systems. This review examines the region’s current soil and crop conditions and summarizes several research studies designed to reduce or prevent soil degradation. Although the region has both environmental and soil resources that can sustain current agricultural production levels, increasing population, greater urbanization, and more available income will continue to increase the pressure on South American croplands. A better understanding of regional soil differences and quantifying potential consequences of current production practices on various soil resources is needed to ensure that scientific, educational, and regulatory programs result in land management recommendations that support intensification of agriculture without additional soil degradation or other unintended environmental consequences.es_AR
dc.formatapplication/pdfeng
dc.language.isoeng
dc.publisherSociety for Urban Ecologyeng
dc.rightsinfo:eu-repo/semantics/openAccesseng
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/4.0/
dc.sourceSustainability 7 (2) : 2213-2242. (2015)eng
dc.subjectSueloes_AR
dc.subjectPrácticas Agrícolases_AR
dc.subjectAmérica del Sures_AR
dc.subjectDegradación del Sueloes_AR
dc.subjectErosiónes_AR
dc.subjectMateria Orgánica del Sueloes_AR
dc.subjectCero-labranzaes_AR
dc.subjectIntensificaciónes_AR
dc.subjectintensification
dc.subjectZero Tillageeng
dc.subjectSoil Organic Mattereng
dc.subjectErosioneng
dc.subjectSoil Degradationeng
dc.subjectSouth Americaeng
dc.subjectAgricultural Practiceseng
dc.subjectSoileng
dc.titleSoil quality impacts of current South American agricultural practiceseng
dc.typeinfo:ar-repo/semantics/artículoes_AR
dc.typeinfo:eu-repo/semantics/articleeng
dc.typeinfo:eu-repo/semantics/publishedVersioneng
dc.rights.licenseCreative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.description.origenEEA Paranáes_AR
dc.description.filFil: Wingeyer, Ana Beatriz. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Paraná; Argentinaes_AR
dc.description.filFil: Amado, Telmo Jorge Carneiro. Universidade Federal de Santa Maria. Centro de Ciências Rurais; Brasiles_AR
dc.description.filFil: Pérez Bidegain, Mario. Universidad de la República. Facultad de Agronomía; Uruguayes_AR
dc.description.filFil: Studdert, Guillermo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentinaes_AR
dc.description.filFil: Perdomo Varela, Carlos Honorio. Universidad de la República. Facultad de Agronomía; Uruguayes_AR
dc.description.filFil: García, Fernando O. International Plant Nutrition Institute. Americas and Oceania Group. Latin America - Southern Cone; Argentinaes_AR
dc.description.filFil: Karlen, Douglas L. United States. Department of Agriculture. Agricultural Research Service; Estados Unidoses_AR
dc.subtypecientifico


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