نتایج جستجو برای: n s g a i i

تعداد نتایج: 14060578  

Journal: :به زراعی کشاورزی 0
علیرضا ترابی دانشجوی کارشناسی ارشد زراعت ، گروه زراعت و اصلاح نباتات ، دانشگاه شهید باهنر کرمان ، کرمان - ایران حسن فرحبخش دانشیار بخش زراعت و اصلاح نباتات ، دانشکده کشاورزی ، دانشگاه شهید باهنر کرمان ، کرمان - ایران غلامرضا خواجویی نژاد استادیار بخش زراعت و اصلاح نباتات ، دانشکده کشاورزی ، دانشگاه شهید باهنر کرمان ، کرمان - ایران

in order to investigate the effects of different irrigation regimes and zeolit on the yield, yield componentsand relative leaf water content of sorghum, a field experiment was conducted in split plot in time andspace based on randomized complete block design with three replicates in research station of shahidbahonar university of kerman in 2011. irrigation regimes (100, 80, 60 and 40% of field ...

Journal: :مهندسی بیوسیستم ایران 0
سید مهدی هاشمی نسب سید احمد طباطبایی فر مهدی قاسمی ورنامخواستی سعید مینایی محمدرضا علیزاده

whitening as one of the stages in rice processing is performed following dehusking. studies on performance of milling machines prevailent in mazandaran province, as the biggest rice producer province in iran, are essential and helpful in reducing rice losses. a research was undertaken to examine the effects of variety (tarom, hibrid, and fajr), milling machine (frictional and abrasive baed mill...

Journal: :چغندرقند 0
جهانشاه بساطی مربی پژوهشی مرکز تحقیقات کشاورزی و منابع طبیعی کرمانشاه

in most of the sugar beet cultivated areas including kermanshah, iran, late season irrigation is cut- off earlier than usual which causes drought stress in the crop. since root yield still increses in sept. and oct. these areas, withholding irrigation in this period reduce root yield and quality of sugar beet. for this reason, an experimente was conducted during 2004- 2005 based on split plot d...

Journal: :bulletin of emergency and trauma 0
ali bazm elahe khorasani manal etemadi hadi nadeali

objectives : to develop a clear criteria for classifying the patients in triage unit of a tertiary healthcare center according to five-level triage system. methods : this study is a qualitative study being conducted in five stages at vali-asr hospital of qom in 2013. after two survey, the experts were interviewed using focus group discussion (fdg) and study was continue with. data were analyzed...

Journal: :علوم گیاهان زراعی ایران 0
احمدرضا دادرس دانش آموختة دکتری گروه زراعت و اصلاح نباتات، دانشکدة کشاورزی، دانشگاه گیلان حبیب الله سمیع زاده دانشیار گروه زراعت و اصلاح نباتات، دانشکدة کشاورزی، دانشگاه گیلان حسین صبوری دانشیار گروه تولیدات گیاهی، دانشکدة کشاورزی و منابع طبیعی دانشگاه گنبدکاووس

the complexity of the genetic control of drought tolerance makes inevitable using of molecular methods with biometric approaches to its improvement in plants. present study was conducted by 121 advanced lines and varieties of soybean under two moisture levels, normal and drought stress with 21 microsatellite markers linked to drought tolerance in two regions, namely, rasht and gonbad-kavous. gr...

Journal: :مطالعات اوراسیای مرکزی 0
عباس مصلی نژاد استاد علوم سیاسی، دانشگاه تهران

security policy-making in critical regions is one of the main concerns of the research centers and academic institutes. security-building in the regions like the caucasus is important because the historical roots of conflict could be seen in the policies of various countries. whenever some manifestations of authoritarianism can be seen, some countries are in the state of cooperative action. how...

Journal: :journal of sciences, islamic republic of iran 2011
s.a. rahaman

heterocyclic systems are one of the most important classes of organic compounds present in nature or synthesized in laboratory. these compounds posses an array of biological activities and are employed in the treatment of commonly occurring diseases. keeping this in view, some new 2-amino-4,6-diarylpyrimidine from chalcones were synthesized. eight novel 2-amino-4,6-diarylpyrimidine derivatives ...

Journal: :تحقیقات آب و خاک ایران 0
جلیل کاکه دانشجوی دانشگاه تهران منوچهر گرجی عضو هیئت علمی دانشگاه تهران علیرضا علی محمدی فارغ التحصیل دانشگاه تهران

assessment of soil quality is one of the most useful tools for evaluation the soil management condition and different land uses. quantity indices of soil quality are most suitable methods for determination and comparison of soils quality. in this study soil quality indices and selection methods of effective soil properties were compared for evaluating the soil quality in different land uses. se...

Journal: :محیط شناسی 0
ام السلمه بابایی فینی استادیار اقلیم شناسی، گروه جغرافیا، دانشگاه پیام نور طاهر صفرراد دانشجوی دکتری اقلیم شناسی، دانشکدۀ جغرافیا، دانشگاه تهران مصطفی کریمی استادیار اقلیم شناسی، دانشکدۀ جغرافیا، دانشگاه تهران

introduction earth has ever been exposed to environmental hazards. the hazards are continually occurring in the world in the recent years. among them, atmospheric elements have created many human and financial losses in different regions. one of the hazards is dust events and in its severe case is dust storm. it happens more frequently in arid and semiarid regions in deserts and their surroundi...

Journal: :علوم گیاهان زراعی ایران 0
حامد کشاورز دانشجوی کارشناسی ارشد دانشکده کشاورزی دانشگاه تربیت مدرس، تهران سید علی محمد مدرس ثانوی استاد دانشکده کشاورزی دانشگاه تربیت مدرس، تهران فاطمه زرین کمر استادیار دانشکده کشاورزی دانشگاه تربیت مدرس، تهران آریا دولت آبادیان دانشجوی دکتری دانشکده کشاورزی دانشگاه تربیت مدرس، تهران مهدی پناهی استادیار دانشگاه زنجان کمال سادات اسیلان استادیار دانشگاه پیام نور

cold stress is considered as a restricting factor in plant production. recently, many different compounds were applied to minimize the harmful effects of stress. in this study, the effects of foliar application of salicylic acid was studied on some biochemical properties of two different cold resistant canola cultivars. salicylic acid was sprayed at four concentrations (0, 100, 200 and 400 µm) ...

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