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Effects of supplementary irrigation on chemical and physical soil properties in the rolling pampa region of Argentina Ciencia e Investigación Agraria
Mon,Rodolfo; Irurtia,Carlos; Fernando Botta,Guido; Pozzolo,Oscar; Bellora Melcón,Fernando; Rivero,David; Bomben,Miguel.
The effects of supplementary irrigation on soil chemical and physical properties were studied in 21 locations in the north of the rolling pampa region of Argentina. The chemical and physical variables were measured in top soil (0-100 mm) to compare irrigated and non-irrigated soils. Chemical variables were: electrical conductivity (EC), pH, exchangeable sodium percentage (ESP), and organic mater content. Physical variables included structural index (SI) and percolation index (PI) measured in the laboratory, as well as infiltration, runoff, and soil losses, measured in the field with a small portable rainfall simulator. Water quality was established according to its chemical composition and Riverside USA classification. In irrigated soils, chemical data...
Tipo: Journal article Palavras-chave: Erosion risk; Infiltration; Sodication; Supplementary irrigation.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202007000300002
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