نتایج جستجو برای: and hereby reduce salt effects on yield

تعداد نتایج: 18626521  

Journal: :Frontiers in Plant Science 2023

Salt stress affects large cultivated areas worldwide, thus causing remarkable reductions in plant growth and yield. To reduce the negative effects of salt on yield, hormones, nutrient absorption, utilization, as well developing salt-tolerant varieties enhancing their morpho-physiological activities, are some integrative approaches to coping with increasing incidence stress. Numerous studies hav...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه امام صادق علیه السلام - دانشکده الهیات و معارف اسلامی 1391

muhammad ibn muhammad ibn numan, known as "shaykh mufid," one of the great imamiye theologians and jurists in the fourth and early fifth century , had comprehensive mastery of both rational and traditional topics and exerted his influence upon both his contemporary and future scholors. he is considered to be one of the top imamiye scholars who spent his lifetime teaching, learning and authorin...

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1388

this dissertation has six chapter and tree appendices. chapter 1 introduces the thesis proposal including description of problem, key questions, hypothesis, backgrounds and review of literature, research objectives, methodology and theoretical concepts (key terms) taken the literature and facilitate an understanding of national security, national interest and turkish- israeli relations concepts...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده علوم تربیتی و روانشناسی 1391

abstract: research purpose: the purpose of this research is to identify academic databases assessment factors and criteria at law and political science majors. the necessity of this research is to distinguish academic databases assessment factors and criteria and to identify the most important ones and rank them in order to select an appropriate database according to students’ and faculty memb...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و علوم انسانی 1392

this study tried to explore disciplinary variations of web blurbs across soft and hard knowledge fields on the one hand, and to illustrate how academic publishers exploit interactional metadiscourse devices in move structure of their blurbs on the other.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده ادبیات و علوم انسانی 1392

abstract the present study was conducted in order to investigate the impact of an integrated model of form-focused and task-based instruction on iranian efl learners vocabulary learning and retention.it also aimed to detect efl learners attitude towards the implementation of form-focused task-based vocabulary instruction in the classroom. in order to address the purposes of this study, a sampl...

Journal: :علوم گیاهان زراعی ایران 0
محدثه کیانی دانشجوی کارشناسی ارشد، گروه زراعت و اصلاح نباتات پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج محمد رضا جهانسوز استاد گروه زراعت و اصلاح نباتات پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج علی احمدی استاد گروه زراعت و اصلاح نباتات پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج

in order to evaluate the influence of different tillage methods and autumn pea cultivars (arman, hashem, ilc-482) in first cultivation on corn forage yield (variety of single cross-704) in second cultivation, this research has been done. the experiment was conducted as split-plot in rcbd with the replication of 4 in tehran university from karaj in 2012. the main plots included different tillage...

Journal: :پژوهش های زراعی ایران 0
ریحانه فرشید غلامرضا زمانی محمد علی بهدانی احسان صحرایی

to evaluate interaction of salinity stress and nitrogen use methods on yield and yield components, in experiment was conducted in split plot in randomized complete block with 3 replications. treatments included: salinity of irrigation water levels 1.5, 4.4 and 7.9 ds/m as main plots, and nitrogen treatments 1. using n fertilizer at 3 stage in soil, 2. using two third n fertilizer in soil at pla...

Journal: :به نژادی گیاهان زراعی و باغی 0
زهرا عباسی دانشجوی دکتری رشتة اصلاح نباتات، گروه زراعت و اصلاح نباتات، دانشکدة کشاورزی، دانشگاه صنعتی اصفهان، ایران محمد مهدی مجیدی دانشیار رشتة اصلاح نباتات، گروه زراعت و اصلاح نباتات، دانشکدة کشاورزی، دانشگاه صنعتی اصفهان، ایران. احمد ارزانی استاد رشتة اصلاح نباتات، گروه زراعت و اصلاح نباتات، دانشکدة کشاورزی، دانشگاه صنعتی اصفهان، ایران. اباذر رجبی استادیار بخش به‏نژادی، مؤسسة تحقیقات اصلاح و تهیة بذر چغندرقند، کرج، ایران. محمدرضا جهاد اکبر مربی بخش تحقیقات اصلاح و تهیة بذر چغندرقند، مرکز تحقیقات کشاورزی و منابع طبیعی اصفهان، ایران. پریسا مشایخی دانشجوی دکتری رشتة فیزیک و حفاظت خاک، دانشکدة کشاورزی، دانشگاه شهرکرد، شهرکرد، ایران.

in order to identify and selection salt tolerant hybrids based on tolerance indices, 17 sugar beet three-way cross hybrids produced by crosses between 17 salinity improved s1 pollinators and a cytoplasmic male sterile (cms) single cross as female, along with three control genotypes were grown in 2007 in rudasht station (isfahan) under saline (12 ds/m and 8 ds/m for water and soil) and non-salin...

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