English   español  
Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/157669
Share/Impact:
Statistics
logo share SHARE logo core CORE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:
Title

Catchment scale hydrology of an irrigated cropping system under soil conservation practices

AuthorsCid, Patricio ; Gómez Macpherson, H. ; Boulal, Hakim ; Mateos, Luciano
KeywordsCatchment
Soil conservation
Runoff
Sediment loss
Cover crop
Conservation agriculture
Issue DateNov-2016
PublisherJohn Wiley & Sons
CitationHydrological Processes 30(24): 4593-4608 (2016)
AbstractSoil erosion by water is a pressing environmental problem caused and suffered by agriculture in Mediterranean environments. Soil conservation practices can contribute to alleviating this problem. The aim of this study is to gain more profound knowledge of the effects of conservation practices on soil losses by linking crop management and soil status to runoff and sediment losses measured at the outlet of a catchment during seven years. The catchment has 27.42 ha and is located in a commercial farm in southern Spain, where a package of soil conservation practices is an essential component of the farming system. The catchment is devoted to irrigated annual crops with maize–cotton–wheat as the primary rotation. Mean annual rainfall-induced runoff coefficient was 0.14 and mean annual soil loss was 2.4 Mg ha−1 y−1. Irrigation contributed to 40% of the crop water supply, but the amount of runoff and sediment yield that it generated was negligible. A Principal Components Analysis showed that total soil loss is determined by the magnitude of the event (rainfall and runoff depths, duration) and by factors related to the aggressiveness of the events (rainfall intensity and preceding soil moisture). A third component showed the importance of crop coverage to reduce sediment losses. Cover crops grown during autumn and early winter and crop residues protecting the soil surface enhanced soil conservation notably. The role of irrigation to facilitate growing cover crops in Mediterranean environments is discussed. Copyright © 2016 John Wiley & Sons, Ltd.
Publisher version (URL)http://doi.org/10.1002/hyp.10944
URIhttp://hdl.handle.net/10261/157669
DOI10.1002/hyp.10944
ISSN0885-6087
E-ISSN1099-1085
Appears in Collections:(IAS) Artículos
Files in This Item:
File Description SizeFormat 
accesoRestringido.pdf15,38 kBAdobe PDFThumbnail
View/Open
Show full item record
Review this work
 

Related articles:


WARNING: Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.