نتایج جستجو برای: 2002technical efficiency of sugar beet producers were estimated using cobb

تعداد نتایج: 21470834  

Journal: :چغندرقند 0
مصطفی حسین پور دانشجوی مقطع دکتری رشته زراعت دانشگاه تربیت مدرس-تهران علی سروش زاده استادیار گروه زراعت دانشکده کشاورزی دانشگاه تربیت مدرس امیر نورجو عضو هیئت علمی بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی آذربایجانغربی

to study the effect of variable irrigation in spring on water use efficiency, quantity and quality of root and sugar yield of two sugar beet cultivars shirin and rasolan, an experiment was conducted at safiabad agriculctura research center during 2003-04 and 2004-05 cropping seasons. the experiment was designed in  a split plot with four replications in which five water supply treatments 25, 50...

Journal: :چغندرقند 0
مجید احمدیان استاد گروه اقتصاد - دانشکده اقتصاد- دانشگاه تهران امیر محمدی نژاد استادیار گروه اقتصاد کشاورزی، دانشگاه آزاد اسلامی واحد علوم و تحقیقات رضا رحیمی مربی پژوهشی دانشگاه آزاد اسلامی واحد تهران مرکز و دانشجوی دکتری اقتصادکشاورزی، دانشگاه آزاد اسلامی واحد علوم و تحقیقات

as an industrial crop, sugar beet plays an important role in meeting domestic demand for sugar. given the higher level of imported sugar iniran, the application of protectionist policies is an approach for supplying required sugar. one of these policies is technological improvement. in order to study the effect of this policy, sugar beet supply and demand equations in 1971-2008 were fitted by t...

Journal: :ماشین های کشاورزی 0
کبری هدایتی باقر عمادی مهدی خجسته پور شهرام بیرقی طوسی

sugar, which can be extracted from sugar cane and sugar beet, is one of the most important ingredients of food. conducting more research to increase the extraction efficiency of sugar is necessary due to high production of sugar beet and its numerous processing units in northern khorasan province. in this research, the effect of temperature, time and the frequency of ultrasonic waves on mechani...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - پژوهشکده ادبیات 1391

the major purpose of this study was to develop the translation teacher competency test (ttct) and examine its construct and predictive validity. the present study was conducted in two phases: a qualitative phase as well as a quantitative phase. in the first phase of the study, the author attempted to find out the major areas of competency required for an academic translation teacher. the second...

Journal: :چغندرقند 0
حمید محمدی استادیار گروه اقتصاد- دانشکده اقتصادکشاورزی- دانشگاه زابل

the main objective of this study is to investigate the comparative advantage for sugar beet production in iran. sugar beet is one of the main crops which is considered as an important resource for energy supply. the importance of sugar beet (as a sugar source) in iranian household food basket, price fluctuation and consumers' demand for sugar beet, social profitability and the impact of go...

Journal: :چغندرقند 0
سمیرا شهبازی استادیار گروه گیاهپزشکی، پژوهشکده کشاورزی هسته‎ای، پژوهشگاه علوم و فنون هسته‎ای، سازمان انرژی اتمی ایران حامد عسکری کارشناس ارشد گروه گیاهپزشکی، پژوهشکده کشاورزی هسته‎ای، پژوهشگاه علوم و فنون هسته‎ای، سازمان انرژی اتمی ایران محمد علی ابراهیمی دانشیار گروه بیوتکتنولوژی، دانشگاه پیام نور، مهسا کریمی کارشناس ارشد بیوتکنولوژی کشاورزی، دانشگاه پیام نور کرج ماندانا صفایی کارشناس ارشد بیوتکنولوژی کشاورزی، دانشگاه پیام نور کرج

sugar beet pulp is one of the sugar industries by-products which can be used for cellulase enzyme production, enzymatic saccharification, and alcohol production due to its high percentage of lingo-cellulosic content. trichoderma spp. is an important fungus that produces a wide range of cellulytic enzymes. in this study, cellulase enzyme was produced by placing sugar beet pulp in trichoderma fer...

Journal: :چغندرقند 0
حدیث کاوند دانشجوی دکترای اقتصاد کشاورزی دانشگاه زابل، -ایران علیرضا سرگزی مربی اقتصاد کشاورزی دانشگاه زابل،-ایران

this study aimed at determining the efficiency of sugar beet growers in borujerd city, iran. data were collected from 2010-11 growing season by random sampling of sugar beet growers and filling 100 questionnaires and analyzed using data envelopment analysis (dea) method. results showed that the average technical, economical and special efficiencies were 0.83, 0.79, and 0.84 in fixed output stat...

2013
J. TODD

This paper analyses the technological advances which have taken place on both the field and factory sides of sugar production in the past 30 years. It focuses on three leading sugar producers; Australia, France and South Africa. It finds that the greatest technological gains have been made in the beet sector (France). All three countries have improved the efficiency of their factory operations ...

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

in the area of vocabulary teaching and learning although much research has been done, only some of it has led to effective techniques of vocabulary teaching and many language learners still have problem learning vocabulary. the urge behind this study was to investigate three methods of teaching words. the first one was teaching words in context based on a traditional method of teaching that is,...

Journal: :چغندرقند 0
محمد عبداللهیان نوقابی استادیار مؤسسه تحقیقات چغندرقند

in 2006 the sugar beet crop production iniranwas largest ever.  in this year, 6,603,383 t with average sugar content of 16.84% delivered to the 32 sugar factories during five months of the campaign. from begining of the campaign until early–november there was balance between the amount of sugar beet delivered and that of processed by the sugar factories.  however, delivered beet to the factorie...

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