نتایج جستجو برای: economic value of water

تعداد نتایج: 21270441  

Jaleh Kurki Nejad Nasrin Ohadi

Given the strategic remarkable rank of pistachio in non-oil exports, inputs’ management in its production is so important. As the scarcest input in agricultural sector, water is considered to be among the most important inputs of pistachio production.Water inadequate supply and limate conditions increase water demand in pistachio growing areas. It is necessary to determine the real value or pri...

Journal: :اقتصاد و توسعه کشاورزی 0
فهیمه بهرامی مهنه احمدعلی کیخا محمود صبوحی محمود احمدپور

introduction: water scarcity has become a global issue due to its direct relationship with food security. for this reason, the need for the long-term sustainable use of water necessitates the application of effective strategies. in this regard, strategic programs are utilized in water resource management and agricultural policies in order to increase self-sufficiency, to reduce the food gap, to...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده علوم 1392

the history of plant’s used for mankind is as old as the start of humankind. initially, people used plants for their nutritional proposes but after the discovery of medicinal properties, this natural ?ora became a useful source of disease cure and health improvement across various human communities. berberis vulgaris is one of the medicinal plants used in iranian traditional medicine. berberis ...

Amirhossein Chizari Mohammad Kavoosi Kalashami Morteza Tahamipour

Pricing policies play an important role in water demand management and its optimal allocation. Determining proper water price leads to optimal allocation of water especially in agricultural consumptions. Applying new subsidy targeting law in Iran which insists on pricing water based on its supply cost, will effects considerably on water resource management in agriculture sector. So, in this stu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1394

with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...

Journal: :اکو هیدرولوژی 0
سید علیرضا موسوی استادیار، دانشکدۀ منابع طبیعی، دانشگاه صنعتی اصفهان، اصفهان حسین ارزانی استاد، دانشکده منابع طبیعی، دانشگاه تهران، کرج

natural ecosystems provide many goods and services for human beings via their multiple functionalities. one of these important functions is the role of natural ecosystems in regulation of hydrologic cycle and increasing the infiltarion and retention of water in soil context and preventing from water runoff which may cause in unfavorable consequences like soil erosion and flooding. quantificatio...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و علوم انسانی 1390

abstract birbery and corruption and other criminal and as such is one of social phenomena , and i can firmly say that society is protected and safe from harm , this is criminal . eache community is familiar with these crimes and the crime associated ( direct or indirect ) with the political economic , social , and cultural beliefs and religious issues , especially with the community . admitted...

A Ghidi S Zolfaghari,

The agricultural sector is of particular importance in the city of Bijar. Thus, the economic value perunit of water applid to the side effects of excessive groundwater resources in this area has a utmostimportance. Payment for estimation of water on a suitable production function was estimated revenueproducers. Therefore in this study to estimate the economic value of water resources in agricul...

بارانی, حسین, دریجانی, علی, رستگار, شفق, شیخ, واحدبردی, قربانی, جمشید, قربانی, محمد,

One of non-forage functions of rangelands vegetation is soil conservation and prevents it from erosion. Water soil erosion has economic, social and environmental implication due to both on-site and off-site effects. So, the objective of this study was to assess the on-site effect of water erosion on conservation function of summer rangelands vegetation, using a combination between economic valu...

پایان نامه :0 1374

the aim of this study has been to find answers for the following questions: 1. what is the effect of immediate correction on students pronunciation errors? 2. what would be the effect of teaching the more rgular patterns of english pronunciation? 3. is there any significant difference between the two methods of dealing with pronuciation errore, i. e., correction and the teaching of the regular ...

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