Water use efficiency of red kidneybean affected by mulch and irrigation treatments
Journal Title: Journal of Biodiversity and Environmental Sciences (JBES) - Year 2013, Vol 3, Issue 11
Abstract
A factorial experiment (using RCB design) with three replications was conducted at the Research Farm of the Faculty of Agriculture, University of Tabriz, Iran, in 2012. The effects of irrigation (I1 and I2: irrigation after 60 and 120 mm evaporation from class A pan, respectively) and mulch (0 (control) and 2 ton/ha wheat straw mulch) was evaluated on water use efficiency and grain yield of red kidneybean (Phaseolus vulgaris L.) cultivars (Akhtar and Naz). The results indicated that the effects of irrigation and mulch on grain and biological yield of red kidney bean cultivars were significant. The highest grain yield (3135.2Kg /ha) and biological yield (8087.6 Kg /ha) were obtained in well-watered (I1) treatment and application of 2 ton/ha mulch for cultivar Akhtar. Grain water use efficiency (WUEG) and biological water use (WUEB) efficiency were significantly affected by irrigation, mulch and cultivar. The highest WUEG (0.538 kg/m3) was obtained in well-watered (I1) treatment and application of 2 ton/ha mulch for cultivar Akhtar. It was concluded that the highest WUEG was obtained under mulch condition, indicating that cultivar Akhtar can produce acceptable yield with low water consumption by using straw mulch.
Authors and Affiliations
Elnaz Ghalandarzadeh, Adel Dabbagh Mohammadinasab, Rouhollah Amini*, Mohammad Reza Shakiba
Keywords
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