Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

    We have a manual that explains all the features 

Record number 538360
Title A new drainpipe-envelope concept for subsurface drainage systems in irrigated agriculture
Author(s) Bahçeci, Idris; Nacar, Abdullah Suat; Topalhasan, Lui; Tari, Ali Fuat; Ritzema, Henk P.
Source Irrigation and drainage 67 (2018)S2. - ISSN 1531-0353 - p. 40 - 50.
DOI https://doi.org/10.1002/ird.2247
Department(s) WIMEK
Water Resources Management
Publication type Refereed Article in a scientific journal
Publication year 2018
Keyword(s) Drain performance - Entrance resistance - Envelope material - Root growth - Subsurface drainage
Abstract

On irrigated lands, drainpipe performance is often below standard due to clogging, siltation and root growth inside the pipe. To tackle these problems, an innovative pipe-envelope concept was tested on a 50 ha pilot area in Harran, Turkey, in 2015 and 2016. The new concept, HYDROLUIS, consists of a corrugated inner pipe with three rows of perforations at the top and an unperforated outer pipe that covers about 2/3 of the inner pipe leaving only the unperforated bottom part of the inner pipe in contact with the soil. The main advantages of the new concept are that it works for a wide range of soil textures and there is better protection against root growth inside the pipe. The new concept was compared with a geotextile envelope, a gravel envelope and a control with no envelope. The HYDROLUIS and gravel envelopes had a significantly lower entrance resistance compared to the geotextile, the best drain performance and no signs of sedimentation nor of root growth inside the pipe. The production costs of the HYDROLUIS envelope are comparable to those of pre-wrapped synthetic envelopes and considerably lower than gravel envelopes. It can be concluded that the HYDROLUIS envelope is a promising alternative for sand/gravel or synthetic envelopes in irrigated lands.

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