Guidelines for managing water resources in agriculture with the approach of using wastewater in dry areas

Document Type : Research Paper

Authors

1 Researcher, Department of Water, Energy and Environment, Faculty of Civil Engineering, Water and Energy, Imam Hossein University (AS), Tehran, Iran

2 PhD in Sustainable Agriculture Promotion and Education, Faculty of Economics and Agricultural Development, University of Tehran

Abstract

Water is the most precious wealth and the most essential resource that humans need throughout life. Because its lack is a threat to human survival and sustainable development. Human activities and development processes put a lot of pressure on water resources. Unstable management and inadequate access to water resources cannot continue. Nowadays, the necessity of optimal use of water is an undeniable fact due to the limited water resources in the country. The reuse of wastewater in developed countries is one of the most important topics in the comprehensive management approach to water resources. The use of wastewater as a permanent source of water in agriculture can save and sustain water resources. The implementation of the wastewater project in the dry regions of the country has caused a lot of expenses to be paid for the provision of water for the project, and on the other hand, the high volume of wastewater produced by the project has not been properly managed and when it enters the seasonal rivers, it causes sedimentation on the riverbed and secondary pollution, as well as damage to the environment. In this research, the use of wastewater as a stable and desirable water source containing the nutrients needed by plants and its adverse effects on the physicochemical properties of soil and agricultural products are investigated.The results show that the correct management of the use of wastewater resources in accordance with the international standards and guidelines is a suitable solution in arid and semi-arid areas.

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