نتایج جستجو برای: harvest timing is essential for achieving high quality seeds of sugar beet therefore

تعداد نتایج: 23078896  

Journal: :چغندرقند 0
سمر خیامیم مربی پژوهشی مؤسسه تحقیقات چغندرقند

the root pulling force as well as the amount of transferred soil have not been reported quantitatively for various sugar beet types. this study was designed to measure the amounts of transferred soil from farm and estimate the root pulling force among sugar beets populations with different root shapes at harvest time. the experiment was conducted as a split plot with a randomized complete block...

Journal: :چغندرقند 0
اصغر فرج نیا مربی پژوهشی مرکز تحقیقات کشاورزی و منابع طبیعی آذربایجان شرقی

the main objective of this research was the measurement of soil characteristics, land evaluation and determination of potential yield of sugar beet in yekanat plain of marand. for doing this, firstly, yield potential of sugar beet was estimated by fao method and secondly land evaluation of different soil units for sugar beet cultivation was determined by parametric method. results showed that m...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده علوم تربیتی و روانشناسی 1393

the purpose of this study was to investigate the relationship between teachers’ class management practices with students’ self- regulated learning and academic self-efficacy. in this study relating to the management class, three dimensions, (training management, people management and behavior management) and three style (interventionist, interactionist and non-interventionist) was considered. r...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده ادبیات و علوم انسانی 1393

as far as bandura’s (1977) conceptualization of the sense of self-efficacy is concerned, it is argued to be context- and even task-specific, compared to other concepts like self-esteem (brown, 2000); therefore, upon the previous research studies, related theories and definitions, and the ideas and views obtained from the interviews conducted with the scholars, the current research study aimed a...

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 . ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1385

acknowledge the importance of e-commerce to their countries and to survival of their businesses and in creating and encouraging an atmosphere for the wide adoption and success of e-commerce in the long term. the investment for implementing e-commerce in the public sector is one of the areas which is focused in government‘s action plan for cross-disciplinary it development and e-readiness in go...

Journal: :چغندرقند 0
سعیده نوری دانشجوی کارشناسی ارشد دانشگاه آزاد اسلامی، واحد فلاورجان، گروه میکروبیولوژی نفیسه سادات نقوی دانشگاه آزاد اسلامی، واحد فلاورجان، گروه میکروبیولوژی، اصفهان، ایران مریم محمدی سیچانی مربی دانشگاه آزاد اسلامی، واحد فلاورجان، گروه میکروبیولوژی، اصفهان، ایران مهدیه گل گل جم کارشناس دانشگاه آزاد اسلامی، واحد فلاورجان، گروه میکروبیولوژی، اصفهان، ایران محمد علی ضیاء استادیار دانشگاه آزاد اسلامی، واحد خوراسگان، گروه علوم پایه، اصفهان، ایران

there is a long period between harvested beets and their transfer to the sugar factory. sugar beet crop is damaged and injured during harvest and transport which provides a suitable place for various saccharoliytic microorganisms growth in terms of temperature, moisture, ph and glucose concentration. in this study, samples were randomly selected from the roots stored in spring 2010 and also the...

Journal: :پژوهش های زراعی ایران 0
علیرضا کوچکی مهدی نصیری محلاتی هادی زرقانی علی نوروزیان

introduction intercropping plays an important role in agriculture because of beneficial interactions. intercropping of legumes and cereals is an old practice in tropical agriculture dating back to ancient civilization. cereals and other plant intercrops could substantially increase forage quantity and quality and decrease the requirement for protein supplements. intercropping of cereals and oth...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1375

this thesis basically deals with the well-known notion of the bear-invariant of groups, which is the generalization of the schur multiplier of groups. in chapter two, section 2.1, we present an explicit formula for the bear-invariant of a direct product of cyclic groups with respect to nc, c>1. also in section 2.2, we caculate the baer-invatiant of a nilpotent product of cyclic groups wuth resp...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1391

in this study, scour of mashkid bridge pier located in mashkid river of saravan county has been studied and to measure the scour rate, the numerical model hec-ras 4.0 has been used. upon selection of mashkid river as the case study and whereas the studied zone is important with respect to the climatic conditions and showery monsoon raining and flowing the great and destructive floodwaters, ther...

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