Effect of different irrigation treatments and mulch on water use efficiency of lentil (Lens culinaris Medick.)

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Research Paper 01/04/2013
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Effect of different irrigation treatments and mulch on water use efficiency of lentil (Lens culinaris Medick.)

Rouhollah Amini, Morteza Alami-Milani, Adel Dabbagh Mohammadinasab
Int. J. Biosci.3( 4), 44-49, April 2013.
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In order to investigate the effect of water limitation on water use efficiency of lentil (Lens culinaris Medik.) an experiment was carried out as split plot based on randomized complete block design with three replications at the Research Farm of the Faculty of Agriculture, University of Tabriz, Iran in 2012. Irrigation treatments (I1, I2, I3 and I4: irrigation after 40, 70, 100 and 130 mm evaporation from class A pan, respectively) were assigned to main plots and two mulch levels including 0 (control) and 2 ton/ha wheat straw were allocated to the sub plots. The results of this study showed that among irrigation treatments, the highest grain and biological yield and harvest index was observed in I1 treatment. The biological and grain yield of lentil in 2 ton/ha mulch were greater than that of control treatment. The irrigation and mulch had significant effects on water use efficiency (WUE) of lentil. The highest biological and grain WUE obtained in I2 treatment with application of 2 ton/ha straw mulch. Consequently irrigation with low volume and short intervals could be more suitable for lentil production.


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