Effects of soil management techniques on soil water erosion in apricot orchards

Saskia Keesstra, Paulo Pereira, Agata Novara, Eric C. Brevik, Cesar Azorin-Molina, Luis Parras-Alcántara, Antonio Jordán, Artemi Cerdà

Research output: Contribution to journalArticle

178 Citations (Scopus)

Abstract

Soil erosion is extreme in Mediterranean orchards due to management impact, high rainfall intensities, steep slopes and erodible parent material. Vall d'Albaida is a traditional fruit production area which, due to the Mediterranean climate and marly soils, produces sweet fruits. However, these highly productive soils are left bare under the prevailing land management and marly soils are vulnerable to soil water erosion when left bare. In this paper we study the impact of different agricultural land management strategies on soil properties (bulk density, soil organic matter, soil moisture), soil water erosion and runoff, by means of simulated rainfall experiments and soil analyses. Three representative land managements (tillage/herbicide/covered with vegetation) were selected, where 20 paired plots (60 plots) were established to determine soil losses and runoff. The simulated rainfall was carried out at 55 mm h-1 in the summer of 2013 (2 circular plots. The results showed that vegetation cover, soil moisture and organic matter were significantly higher in covered plots than in tilled and herbicide treated plots. However, runoff coefficient, total runoff, sediment yield and soil erosion were significantly higher in herbicide treated plots compared to the others. Runoff sediment concentration was significantly higher in tilled plots. The lowest values were identified in covered plots. Overall, tillage, but especially herbicide treatment, decreased vegetation cover, soil moisture, soil organic matter, and increased bulk density, runoff coefficient, total runoff, sediment yield and soil erosion. Soil erosion was extremely high in herbicide plots with 0.91 Mg ha-1 h-1 of soil lost; in the tilled fields erosion rates were lower with 0.51 Mg ha-1 h-1. Covered soil showed an erosion rate of 0.02 Mg ha-1 h-1. These results showed that agricultural management influenced water and sediment dynamics and that tillage and herbicide treatment should be avoided.

Original languageEnglish
Pages (from-to)357-366
Number of pages10
JournalScience of the Total Environment
Volume551-552
DOIs
Publication statusPublished - May 1 2016

Fingerprint

Orchards
water erosion
soil management
orchard
soil erosion
Erosion
soil water
herbicide
runoff
Soils
Water
Runoff
Herbicides
land management
tillage
soil
soil moisture
sediment yield
erosion rate
vegetation cover

Keywords

  • Agriculture land management
  • Hydrology
  • Mediterranean
  • Rainfall simulation
  • Soil water erosion

ASJC Scopus subject areas

  • Environmental Chemistry
  • Pollution
  • Waste Management and Disposal
  • Environmental Engineering

Cite this

Keesstra, S., Pereira, P., Novara, A., Brevik, E. C., Azorin-Molina, C., Parras-Alcántara, L., ... Cerdà, A. (2016). Effects of soil management techniques on soil water erosion in apricot orchards. Science of the Total Environment, 551-552, 357-366. https://doi.org/10.1016/j.scitotenv.2016.01.182

Effects of soil management techniques on soil water erosion in apricot orchards. / Keesstra, Saskia; Pereira, Paulo; Novara, Agata; Brevik, Eric C.; Azorin-Molina, Cesar; Parras-Alcántara, Luis; Jordán, Antonio; Cerdà, Artemi.

In: Science of the Total Environment, Vol. 551-552, 01.05.2016, p. 357-366.

Research output: Contribution to journalArticle

Keesstra, S, Pereira, P, Novara, A, Brevik, EC, Azorin-Molina, C, Parras-Alcántara, L, Jordán, A & Cerdà, A 2016, 'Effects of soil management techniques on soil water erosion in apricot orchards', Science of the Total Environment, vol. 551-552, pp. 357-366. https://doi.org/10.1016/j.scitotenv.2016.01.182
Keesstra, Saskia ; Pereira, Paulo ; Novara, Agata ; Brevik, Eric C. ; Azorin-Molina, Cesar ; Parras-Alcántara, Luis ; Jordán, Antonio ; Cerdà, Artemi. / Effects of soil management techniques on soil water erosion in apricot orchards. In: Science of the Total Environment. 2016 ; Vol. 551-552. pp. 357-366.
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