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Virtual water evaluation for grains productsin Iran Case study: pea and bean

Yousefi, Hossein, Mohammadi, Ali, Mirzaaghabeik, Mitra, Noorollahi, Younes
Journal of water and land development 2017 v.35 no.1 pp. 275-280
agricultural development, beans, case studies, crop production, crops, grains, irrigation, peas, virtual water, water budget, water resources, water use efficiency, Azerbaijan, Iran
Shortage of water is considered as one of the most important straits of agricultural development in Iran. The main purpose of this study is to determine virtual water used to pea and bean production and water use efficiency, select the best area for cultivating these two grains and find the virtual water budget for the aforementioned grains. The results showed that among the three provinces main producers of pea in Iran, the highest virtual water of pea belongs to Lorestan with 3534 dm³·kg⁻¹ and the lowest belongs to West Azerbaijan with 2660 dm³·kg⁻¹ in irrigated cultivation. Water use efficiency in irrigated cultivation in Kermanshah and West Azerbaijan are at the same level; however, Kermanshah has enjoyed much more level of virtual water. For beans, the highest amount of virtual water in irrigated cultivation belongs to Lorestan (3651 dm³·kg⁻¹) and the lowest amount refers to Markazi (2725 dm³·kg⁻¹) and also the highest level of water use efficiency for this product refers to Markazi. Also it was found that 160.15 mln m³ of water has been exported from the country water resources by these products so virtual water budget for studied crops were negative.