Analysis of Tile Drainage Design Policies in Egypt

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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/1748 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/1748 http://eprints.org/relation/isCoversheetVersionOf https://pure.iiasa.ac.at/id/document/1748 archive 351 disk0/00/00/17/15 2016-01-15 01:50:11 2021-08-27 17:10:26 2016-01-15 01:50:11 monograph show 2 Strzepek K.M. 1490 Analysis of Tile Drainage Design Policies in Egypt pub iis_ecn iis_fag iis_wat prog_ren Recent field studies have shown that in some cases tile drains have been ineffective in increasing crop production. This paper examines the effect that the policies of 40 meter minimum spacing and aggregating large areas under a single drain design may have upon the effectiveness of tile drains. An approach that synthesizes crop yield response, the physics of drainage and economics is used to determine the possible cost of these two policies. A case study from the Nile Delta is examined. The paper shows that these policies can have a great effect upon the efficiency of tile drain performance under certain conditions. 1981-04 published WP-81-046 WP-81-046 1598 public working_paper IIASA, Laxenburg, Austria 23 FALSE info:eu-repo/semantics/book