نتایج جستجو برای: agricultural policies such as water management

تعداد نتایج: 6804861  

Elham Kalbali Mostafa Mardani Saman Ziaee Samira Soltani

Water shortage crisis is an issue that has led to drastic changes in different agricultural policies, especially in arid and semi-arid areas. Uncertainty in the amount of resources, e.g. water, used for agricultural production entails risk for farmers' income and cropping pattern changes. In the present study, the robust optimization model was used for optimal allocation of arable lands of Khor...

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...

ABSTRACT: Water quality of dam storage is highly affected by upstream environment and basin. Regarding other conducted studies, there exist various reasons such as some studies and general monitoring of dams which cause some main problems including salinity, chemical and microbial pollution eutrophication, and sedimentation. Chame-Gardalan Storage Dam in Ilam Province is one of the storages whi...

ژورنال: علوم آب و خاک 2012
سید علی قاسمی , , شهناز دانش, ,

In this research, the quality of the effluent from the City of Mashhad wastewater treatment plants was evaluated based on Ayers and Westcot irrigation water quality guideline, and the potential impacts of these effluents on soil and plants were assessed. For this purpose, the effluent from each of the three existing wastewater treatment plants was sampled on a regular basis, for a period of one...

Journal: Iranian Economic Review 2019

The imbalance between water supply and demand in the country has challenged water resource management, especially in the agricultural sector. The virtual water study approach, as an approach that values the use of water inputs in the production and consumption of various commodities, has been established and discussed for almost two decades. Based on this concept, the issue of virtual water tra...

Mohammad Reza Yousefi, Vahid Shokri

Agriculture has a key role to play in reducing poverty and hunger in many developing countries. About 75% of the world's poor live in rural areas and most are dependent on agriculture and related activities in the rural economy. For this reason the benefits for developing countries’ farmers have been shown to be substantial if OECD member countries reformed their agricultural policies. The issu...

Journal: :international journal of advanced biological and biomedical research 2015
vahid shokri mohammad reza yousefi

agriculture has a key role to play in reducing poverty and hunger in many developing countries. about 75% of the world's poor live in rural areas and most are dependent on agriculture and related activities in the rural economy. for this reason the benefits for developing countries’ farmers have been shown to be substantial if oecd member countries reformed their agricultural policies. the issu...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2013
Jacob Phelps Luis Roman Carrasco Edward L Webb Lian Pin Koh Unai Pascual

The supposition that agricultural intensification results in land sparing for conservation has become central to policy formulations across the tropics. However, underlying assumptions remain uncertain and have been little explored in the context of conservation incentive schemes such as policies for Reducing Emissions from Deforestation and forest Degradation, conservation, sustainable managem...

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...

Journal: :مطالعات و تحقیقات اجتماعی ایران 0
حسین ایمانی جاجرمی دانشیار گروه مطالعات توسعۀ اجتماعی، دانشکدة علوم اجتماعی دانشگاه تهران

cities need good, participatory and effective policies and plans for development. urban development plans such as comprehensive plan are the most important tool for implementation of policies and plans. the effective implementation of city development plan requires high level documents such as spatial planning; good macro development plans policies, efficient urban management and public partici...

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