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Type: Artigo de periódico
Title: Wet Bulbs From The Subsurface Drip Irrigation With Water Supply And Treated Sewage Effluent
Abstract: The use of treated sewage effluent (TSE) combined with the subsurface drip irrigation (SDI) method in agriculture can decrease the costs of agricultural production, in attempts to fertigate crops more efficiently. In this study it was compared the dimensions of the wet bulb formed by the application of TSE and municipal water supply (MWS) in an Oxisoil. We have evaluated the effect of water quality and discharge between drippers used in sugarcane crop. Three trenches were opened and 21 three-rod TDR probes were setup in a mesh and a dripper was buried at 0.30 m, for each constant discharge of 1.0 L h-1 and 1.6 L h-1. Comparing results from different wetted soil profiles it was observed that the vertical and horizontal dimensions of the wet bulb are similar for both MWS and TSE, being peculiars according to the discharges used and volume applied. Regardless the water quality, an increase of 60% in discharge decreased the deepest infiltration.
Editor: Sociedade Brasileira de Engenharia Agricola
Citation: Engenharia Agricola. Sociedade Brasileira De Engenharia Agricola, v. 35, n. 2, p. 242 - 253, 2015.
Rights: fechado
Identifier DOI: 10.1590/1809-4430-Eng.Agríc.v35n2p242-253/2015
Date Issue: 2015
Appears in Collections:Unicamp - Artigos e Outros Documentos

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