نتایج جستجو برای: land degradation and increasing yield per surface area unit supplicate to be inevitable optimal land utilization.so land evaluation

تعداد نتایج: 18720938  

Journal: :مدیریت خاک و تولید پایدار 0
مسلم ثروتی عضو هیئت علمی دانشگاه ارومیه علی اصغر جعفرزاده عضو هیئت علمی دانشگاه تبریز فرزین شهبازی عضو هیئت علمی دانشگاه تبریز حسن محمدی دانشجوی کارشناسی ارشد دانشگاه شاهد نیلوفر تیمورپور دانشجوی کارشناسی ارشد

irrigular land use, land degradation and increasing yield per surface area unit supplicate to be inevitable optimal land utilization.so land evaluation, planning and management to be necessary to achieve a sustainabledevelopment.following this trend, microleis (mediterranean land evaluation information system)has evolved towards an agro-ecological decision support system.the goal of this study ...

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

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

احمد جلالیان, , جواد گیوی, , امیر مظفر امینی, , شمس‌ الله ایوبی, ,

In quantitative land suitability evaluation, economic aspects land evaluation such as impact of environmental physical factors on crop production and the amount of yield per surface unit are considered. The purpose of this research was to study quantitative land suitability of northern Baraan area located in eastern Isfahan. The study was a continuation of the previously accomplished qualitativ...

ژورنال: علوم آب و خاک 2002
احمد جلالیان, , جواد گیوی, , امیر مظفر امینی, , شمس‌ الله ایوبی, ,

In quantitative land suitability evaluation, economic aspects land evaluation such as impact of environmental physical factors on crop production and the amount of yield per surface unit are considered. The purpose of this research was to study quantitative land suitability of northern Baraan area located in eastern Isfahan. The study was a continuation of the previously accomplished qualitativ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی و اجتماعی 1389

today the image of a permanent skeletal space of cities affected by some forces or mechanisms is put in time with social-economic development and while imposes a new face and perspective to physical anatomy of cities, and prepares field to changes in content and social- economic structures of cities too. simultaneously with quitting villages in order to settle in cities by villagers, the phen...

Journal: Desert 2012
H. Ahmadi M. Jafari M. Nasri S. Feiznia

The problems of land degradation and soil loss are among the major problems of watersheds in Iran. For erosion andsediment estimation one can use statistical and empirical methods. For doing this, land unit map and the map of effectivefactors should be prepared. For erosion and sediment estimation one can use statistical and empirical methods. However,these empirical methods are usually time co...

ژورنال: علوم آب و خاک 2007
جواد گیوی, , مسعود بازگیر, , احمد جلالیان, , شمس الله ایوبی, ,

In Iran, the development of cultivated areas becomes gradually impossible due to ever-increasing population growth and urban area development. Therefore, it is very important to use the existing cultivated lands more efficiently. Land suitability evaluation makes the sustainable use of the lands feasible. The objective of this study was qualitative, quantitative and economic assessment of land ...

جواد گیوی, , مسعود بازگیر, , احمد جلالیان, , شمس الله ایوبی, ,

In Iran, the development of cultivated areas becomes gradually impossible due to ever-increasing population growth and urban area development. Therefore, it is very important to use the existing cultivated lands more efficiently. Land suitability evaluation makes the sustainable use of the lands feasible. The objective of this study was qualitative, quantitative and economic assessment of land ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1389

rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...

Journal: :desert 2013
m. nasri s. feiznia m. jafari h. ahmadi

the problems of land degradation and soil loss are among the major problems of watersheds in iran. for erosion andsediment estimation one can use statistical and empirical methods. for doing this, land unit map and the map of effectivefactors should be prepared. for erosion and sediment estimation one can use statistical and empirical methods. however,these empirical methods are usually time co...

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