Fecha/hora: 31/05/2024 23:40:14

Biblioteca(s): | INIA La Estanzuela.
Fecha corriente: | 14/05/2019
Fecha de la última actualización: | 07/06/2019
Autoria: | BERETTA, A.; PÉREZ, O.; CARRASCO-LETELIER, L.
Afiliación: | ANDRES NICOLAS BERETTA BLANCO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; OSVALDO MARTIN PEREZ GONZALEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; LEONIDAS CARRASCO-LETELIER, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay.
Título: | Soil quality decrease over 13 years of agricultural production.
Año de publicación: | 2019
Fuente/Imprenta: | Nutrient Cycling in Agroecosystems, v.114, p.45-55, April 2019.
DOI: | 10.1007/s10705-019-09990-3
Idioma: | Inglés
Notas: | Article history: Received: 26 December 2017/Accepted: 25 March 2019/Published online: 3 April 2019
Contenido: | Abstract: Soils are a key issue in the management of global environmental changes and food supply. The goal of this work was to characterize the soil changes that were promoted by agriculture in Uruguay in the period 2002?2014. We analysed the association between pH, Ca2?, Mg 2?,K ?, Na ? and soil organic carbon (SOC) and its tendency through the years of soil analysis database 2002?2014 that belong to Experimental Station Alberto Boerger INIA La Estanzuela (Colonia, Uruguay). During the study period, the average soil pH, SOC, and exchangeable base content across the archive sample set were reduced. The exchangeable K? content decreased by 0.04 mmol kg-1 year-1 with the increase in grain production. The SOC decreased by 0.43 mg (g year)-1 even when most agricultural activity followed a no-tillage system. A reduction of 0.02 units of pH per year also occurred. If these changes continue in the future, agricultural soils will signi?cantly decrease their food production potential, and will not be adequate for sustainable crop production.
Palabras-Clave: | ACIDIFICATION; CALIDAD DEL SUELO; EXCHANGEABLE POTASSIUM; SOIL DEGRADATION; SOIL ORGANIC CARBON.
Categoría del tema: | P30 Ciencia del suelo y manejo del suelo
Registro original: | INIA La Estanzuela (LE)
Ejemplares: | LE - (102855-1) - INI - AP - DD - PP/Nut.Cycling Agroecosystems/2019 -  -  - DIS