نتایج جستجو برای: reducing agricultural water resources

تعداد نتایج: 1088348  

2017
Yu Liu Xiaohong Hu Qian Zhang Mingbo Zheng

Water resources play a vital role in human life and agriculture irrigation, especially for agriculture-dominant developing countries and regions. Improving agricultural water use efficiency has consequently become a key strategic choice. This study, based on Zhangye City’s economic characteristics and data, applies a static Computable General Equilibrium (CGE) model with a constant elasticity o...

2013
Fatemeh Panahi Iraj Malekmohammadi

Problem Statement Agricultural water management (AWM) is not a goal in itself but part of a process of resource management that provides a critical input to agricultural production and farmer incomes. Today, huge losses in irrigation systems and poor water management practices worsen the water crises that already exist. Water users were surveyed in order to explore their perception about the fa...

Journal: :Journal of environmental management 2014
Andrew Wright Darren Hudson

Studies of how carbon reduction policies would affect agricultural production have found that there is a connection between carbon emissions and irrigation. Using county level data we develop an optimization model that accounts for the gross carbon emitted during the production process to evaluate how carbon reducing policies applied to agriculture would affect the choices of what to plant and ...

Reza Hezareh Samira Shayan Mehr Seyed Abolghasem Mortazavi Sina Ahmadi Kaliji

Water resources sustainability is one of the major issues in the agricultural sustainability. In this study sustainability of water resources has been investigated by use of linear and non-linear models in six models based on optimal utilization of water resources in the north parts farms of Iran because of incorrect use of agricultural water resources, from 2011 to 2012. Also “gross margin per...

2003
Christopher A. Scott

Jordan is extremely water-scarce with just 167 m3 per capita per year to meet domestic, industrial, agricultural, tourism, and environmental demands. The heavy exploitation of water resources has contributed to declines in the levels of aquifers and the Dead Sea. Rapid growth in demand, particularly for higher quality water for domestic, industrial, and tourism uses, is significantly increasing...

Gholamreza Zamanian Mehdi Jafari Shahram Saeedian

The scarcity of water resources and supply resources limitation, have caused an increasing gap between water supply and demand specially in recent decades in almost all regions of the globe. One of the best known solutions proposed by the economists is using the different water pricing approaches thereby obtaining the optimal allocation and social justice. To this purpose, this paper uses the p...

2017
Tomohiro Akiyama Ali Kharrazi Jia Li Ram Avtar

Water resources are essential for agricultural production in the grain-producing region of China, and water shortage could significantly affect the production and international trade of agricultural products. China is placing effort in new policies to effectively respond to changes in water resources due to changes in land use/land cover as well as climatic variations. This research investigate...

The lack of water resources in Iran has increased concern about water consumption in the country. The agricultural sector is known as the largest sector of water consumption, and saving in this sector will save significant water resources. One of the solutions for the optimal use of water resources is the use of modern irrigation methods with proper design and implementation. Therefore, the pur...

Journal: :اقتصاد و توسعه کشاورزی 0
عفت قربانیان منصور زیبایی محمد قربانی محمدرضا کهنسال

due to limitation of available water and soil resources in iran, the challenge of optimizing the utilization of these resources has become more significant. one of the solutions to the economic, planning and optimization of water use and achieve the optimum level of water use is associated with improved farming activities and this is the most important agricultural research needs. the study of ...

2009
G. Mendicino A. Senatore P. Versace

An example of water resources management in agriculture applied to a southern Italian study area is presented. In the context of a proactive approach, the steps followed for the developing of three Plans are described: an Agricultural Strategic Water Shortage Preparedness Plan (ASP), aimed at reducing the vulnerability of the water supply system through the use of long term mitigation measures ...

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