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Deficit Irrigation and Split N Fertilization on Wheat and Barley Yields in a Semi-Arid Mediterranean Area

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dc.contributor.author Abourached, C.G.
dc.contributor.author Yau, S.K.
dc.contributor.author Nimah, M.N.
dc.contributor.author Bashour, I.I.
dc.date.accessioned 2011-02-11T19:12:09Z
dc.date.available 2011-02-11T19:12:09Z
dc.date.issued 2008 en_US
dc.identifier.uri https://hdl.handle.net/10535/7045
dc.description.abstract "This study investigated the interactive effects of different rates of deficit irrigation and timings of N application on wheat and barley yields since there was no report on this important subject. Field experiments in strip-plot designs using sprinkler line sources were conducted for two years at a semi-arid Mediterranean site. The experiments consisted of 4 and 7 irrigation levels with 3 and 6 N treatments in 4 replicates in 2002-03 and 2003-04, respectively. In both years, there was a significant irrigation-by-N interaction on wheat grain yield but not on barley. In 2003-04, N application at stem elongation and heading produced the highest wheat grain yield at the four higher irrigation levels, but highest yield was obtained when N was applied at sowing and tillering at the two lowest irrigation levels. Nitrogen application at stem elongation and heading also gave the highest grain N content. The existence of interaction due to irrigation-by-timing of N application in wheat but not in barley could be because wheat has a higher N uptake after anthesis but lower nitrogen remobilization efficiency than barley. Results suggested that wheat farmers better apply N at stem elongation and heading for a higher yield and grain N content unless they are not irrigating or irrigate with minimum amount of water." en_US
dc.language English en_US
dc.subject crops en_US
dc.subject irrigation en_US
dc.subject agriculture en_US
dc.title Deficit Irrigation and Split N Fertilization on Wheat and Barley Yields in a Semi-Arid Mediterranean Area en_US
dc.type Journal Article en_US
dc.type.published published en_US
dc.type.methodology Case Study en_US
dc.subject.sector Agriculture en_US
dc.identifier.citationjournal The Open Agriculture Journal en_US
dc.identifier.citationvolume 2 en_US
dc.identifier.citationpages 28-34 en_US

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