نتایج جستجو برای: three levels of nitrogen fertilizer (0

تعداد نتایج: 21406233  

ژورنال: علوم آب و خاک 2011
رضا تقی‌زاده, , و رئوف سیدشریفی, ,

In order to evaluate the effects of nitrogen fertilizer levels on grain yield and nitrogen use efficiency in corn cultivars, a split plot experiment based on randomized complete block design with three replications was conducted at the Research Farm of Islamic Azad University of Ardabil during 2006-2007 cropping seasons. Factors consisted of nitrogen fertilizer at four levels (0, 80, 160 and 24...

Journal: :پژوهش های زراعی ایران 0
امیر استادی جعفری پرویز رضوانی مقدم رضا قربانی

in order to evaluate the effects of beneficial free living bacteria (azotobacter chroococcum and azospirillum brasilense) compared to different nitrogen fertilizer levels on yield and yield components of barley (hordeum vulgare cv reyhan) a field experiment was conducted at research station college of agriculture, ferdowsi university of mashhad in 2007-2008. the experiment was arranged in a ran...

Journal: :تولید گیاهان زراعی 0
احمد نوش کام دانشجوی دکتری زراعت دانشگاه تهران حسن مومیوند دانشجوی دکتری باغبانی دانشگاه تهران امیر محسنی دانشجوی سابق کارشناسی ارشد خاک شناسی دانشگاه تهران مصباح بابالار استاد دانشگاه تهران

for finding out the effect of nitrogen and calcium carbonate fertilizers on nitrate and nitrogen accumulation in aboveground biomass, calcium concentration and dry weight of leaves of satureja hortensis l., a factorial experiment was carried out based on randomized complete block design with three replications in karaj in 2008. the nitrogen fertilizer was in four levels (0, 50, 100 and 150 kg. ...

Journal: :تولید گیاهان زراعی 0

irrigation water and nitrogen fertilizer are two important factors in increasing the yield and yield components of cotton. in order to evaluate effects of irrigation methods, various levels of water and nitrogen fertilizer on yield and yield components of cotton were studied at hashemabad cotton research station of gorgan in 2008. the experiment was conducted in split-split plots design with th...

Journal: :بوم شناسی کشاورزی 0
رستم یزدانی بیوکی پرویز رضوانی مقدم علیرضا کوچکی محمدبهزاد بهزاد امیری جبار فلاحی رضا دیهیم فرد

in order to study the effects of different levels of drought stress and plant growth promoting rhizobacteria on the germination indices of seeds harvested from wheat (tritium aestivum l.) cv. sayonz in the field treated with different levels of nitrogen, in controlled conditions, a factorial layout based on completely randomized design with three replications, was conducted. treatments included...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1387

boron nitride semiconducting zigzag swcnt, $b_{cb}$$n_{cn}$$c_{1-cb-cn}$, as a potential candidate for making nanoelectronic devices was examined. in contrast to the previous dft calculations, wherein just one boron and nitrogen doping configuration have been considered, here for the average over all possible configurations, density of states (dos) was calculated in terms of boron and nitrogen ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده ادبیات و زبانهای خارجی 1391

abstract: postmethod is a newly developed pedagogy which as an alternative to method rejects the notion of good or bad methods and the concept of best method that can be generalized and appropriate for all contexts. instead, it treats each context as unique and one of a kind which cant be compared with other cases. this study is a postmethod-oriented one which investigates whether and how far t...

Journal: :بوم شناسی کشاورزی 0
مشیر الحق عابدی محمد جواد ثقه الاسلامی سید غلامرضا موسوی

in order to study the effect of irrigation and nitrogen fertilizer levels on yield of basil, an experiment was conducted as split plot based on randomized complete block design with three replications in birjand (moud region) in 2010. main plot factor was two irrigation levels (7 and 14 days interval) and nitrogen fertilizer (as urea) was considered as sub plot factor in four levels (0, 50, 100...

Journal: :پژوهش های زراعی ایران 0
علیرضا کوچکی مهدی نصیری محلاتی مرادی مرادی یاسر علی زاده

in order to evaluate the yield and nitrogen use efficiency of corn and cotton intercropping under different levels of nitrogen, an experiment was conducted as a factorial arrangement based on completely randomized block design with three replications. the experimental treatments were nitrogen fertilizers in four levels (0, 50, 100 and 150 kg ha-1) and planting pattern in three levels (maize sol...

Journal: :تولید گیاهان زراعی 0
محمد خادم پیر دانشگاه علوم کشاورزی و منابع طبیعی گرگان سرالله گالشی دانشگاه علوم کشاورزی و منابع طبیعی گرگان افشین سلطانی دانشگاه علوم کشاورزی و منابع طبیعی گرگان فرشید قادری فر دانشگاه علوم کشاورزی و منابع طبیعی گرگان

in order to investigated the effect of flooding, different nutrition levels an anti-oxidant characteristics, chlorophyll fluorescence, amount of chlorophyll (a, b) and carotenoids leaves soybean (glycine max (l.) merr), cultivar dpx research at the university of agricultural sciences and natural resources, gorgan, in a completely randomized design to factorial arrangement with three replication...

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