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Article

Soil Productivity Degradation in a Long-Term Eroded Olive Orchard under Semiarid Mediterranean Conditions

SUMAS Research Group, Department of Agricultural Chemistry, Soil Science and Microbiology, Faculty of Science, Agrifood Campus of International Excellence—ceiA3, University of Cordoba, 14071 Cordoba, Spain
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Academic Editors: Claudia Di Bene, Roberta Farina, Rosa Francaviglia and Jorge Álvaro-Fuentes
Agronomy 2021, 11(4), 812; https://doi.org/10.3390/agronomy11040812
Received: 24 February 2021 / Revised: 14 April 2021 / Accepted: 19 April 2021 / Published: 20 April 2021
(This article belongs to the Special Issue Conservation Tillage in Sustainable Agro-Ecosystems)
Olive groves are one of the most important agro-systems in the Mediterranean basin, and the Andalusia region produces the highest quantity of olive oil in Europe. The aim of this work was to evaluate the long-term (15 years) influence of two management practices in olive orchards—conventional tillage (CT) and no tillage with bare soil and herbicide application (NT + H)—on soil physical properties, infiltration capacity, erosion rates, and soil productivity. In addition, the short-term (2 years) influence of no tillage with cover crop management (NT-CC) on these parameters was also assessed. In the study area, CT and NT + H management practices showed unsustainable erosion values, 9.82 and 13.88 Mg ha−1 year−1, respectively, while NT-CC inclusion decreased the erosion rates (2.06 Mg ha−1 year−1). The implementation of NT-CC not only reduced erosion rates but also caused a change in the trend of soil productivity loss observed under CT and NT + H. In this sense, NT-CC showed a positive influence on soil quality. However, tillage removal led to a significant reduction in the infiltration capacity of soils under NT + H and NT-CC, which will be a serious handicap for water storage in an environment with continuous processes of water deficit. View Full-Text
Keywords: degraded soil; cover crops; soil erosion; soil productivity; olive orchards degraded soil; cover crops; soil erosion; soil productivity; olive orchards
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MDPI and ACS Style

González-Rosado, M.; Parras-Alcántara, L.; Aguilera-Huertas, J.; Lozano-García, B. Soil Productivity Degradation in a Long-Term Eroded Olive Orchard under Semiarid Mediterranean Conditions. Agronomy 2021, 11, 812. https://doi.org/10.3390/agronomy11040812

AMA Style

González-Rosado M, Parras-Alcántara L, Aguilera-Huertas J, Lozano-García B. Soil Productivity Degradation in a Long-Term Eroded Olive Orchard under Semiarid Mediterranean Conditions. Agronomy. 2021; 11(4):812. https://doi.org/10.3390/agronomy11040812

Chicago/Turabian Style

González-Rosado, Manuel, Luis Parras-Alcántara, Jesús Aguilera-Huertas, and Beatriz Lozano-García. 2021. "Soil Productivity Degradation in a Long-Term Eroded Olive Orchard under Semiarid Mediterranean Conditions" Agronomy 11, no. 4: 812. https://doi.org/10.3390/agronomy11040812

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