water resources are of vital human resources and of the three main elements of ecosystem. almost half of the agricultural products of the world are being produced in irrigation schemes. in today's world, the population is considerably increasing and consequently severe shortage of food threatens about two-third of the world's population. moreover, water resources are facing more serious crisis ...

water shortages is one of the main factors inhibiting economic and social development and agriculture in most developing countries, especially in countries located in arid and semi-arid belt of the world. the study tried to investigate the affecting factors on water resources exploitation with considering water utilization pattern and an emphasis on sustainable water use in fars province. due t...

In the current situation, one of the most important issues of dry and semidry areas is the lack of water sources. In this regard, it's necessary to thank of solutions in order to increase productivity and efficiency of water use in agricultural sector; In this regard, various ways have been put forward by the experts and of the most important of them we can refer to participating agronomists in...

In the current situation, one of the most important issues of dry and semidry areas is the lack of water sources. In this regard, it's necessary to thank of solutions in order to increase productivity and efficiency of water use in agricultural sector; In this regard, various ways have been put forward by the experts and of the most important of them we can refer to participating agronomists in...

in recent years, farming section of south khorasan province faces different limitations such as increasing shortage of water resources and continuous reduction of weather showers.considering consecutive droughts and water crisis in agricultural plain of the province, it is necessary to use water resources optimally and increase productivity of water shortage input. comparison of water productiv...

abstract among different water usage in iran, agricultural sector with 94 percent is the largest water user. considering the share of agriculture in water usage, farmers are the main factor in water resources management. therefore, optimal utilization of irrigation and drainage networks would depend on farmers’ effective role. due to the limited water resources in different country regions, inc...

nowadays, many governments have found that the main cause of water crises in agricultural sector related to neglecting farmers’ role in irrigation and drainage networks management. water users association has been considered in order to transferring irrigation management to local beneficiaries. if farmers' opinion toward such transferring don't be investigated, it may lead to failure....