the Possibility of Exploitation and Utilization of Rain Water for Irrigation
in Greenhouses in the Khorasan Razavi
Ashofte Yazdi A.Z., Vojdani Fard M.
Email: shahramashofte@gmail.com
Abstract
With the deployment of the belt on the land, increasing population and the need for new water resources, the need for better exploitation of all available water resources, including groundwater, surface runoff from rainfall is required. For efficient and effective use of rainwater, the role of catchments in supplemental irrigation have been reviewed by several professors and have been approved of. Therefore, in this article, calculation of the amount of water collected from the annual rainfall on the cover of greenhouses or in case of need and calculating the level of isolation required to meet the water requirements of the plants (with regard to methods to prevent evaporation of water collected) has been carried out. And the exclusion of the most critical regions of the Khorasan Razavi province, lack of access to adequate water supplies and the high life Geomembrane panels, rain water harvesting has very clear economic justifications. On the other hand, the dry land without the proper use of the method and construction of greenhouses, increasing land productivity and output and employment in the region are affected. In this way, according to the water requirement of plants grown in the greenhouse to collect rainwater in the upper level of the house and part of the adjacent land (according to the average rainfall in Mashhad and the amount of water extracted from), which is insulation for Geomembrane in pools of water for irrigation at the right time to reaffirm the measures used. Yet the implementation of this technique requires testing on health and long-term water quality monitoring will.
ashofte A, vojdanifard M. the possibility of exploitation and utilization of rain water for irrigation in greenhouses Khorasan Razavi. Journal of Rainwater Catchment Systems 2015; 3 (1) :15-22 URL: http://jircsa.ir/article-1-52-en.html
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