نتایج جستجو برای: chemical fertilizer treatment was superior to co

تعداد نتایج: 11363959  

Journal: :به زراعی کشاورزی 0
مهدی رمضانی دانشجوی دکتری زراعت، دانشکدة کشاورزی، دانشگاه گیلان، رشت – ایران سید محمدرضا احتشامی استادیار گروه زراعت، دانشکدة کشاورزی، دانشگاه گیلان، رشت - ایران محسن شریفی دانشیار، گروه علوم گیاهی، دانشکدة علوم زیستی، دانشگاه تربیت مدرس، تهران - ایران محمدرضا چائی چی استاد گروه زراعت، دانشکدة کشاورزی، دانشگاه تهران، کرج - ایران

in order to investigate the effect of different levels of biofertilizer inoculation and phosphorus chemical fertilizer on mineral elements absorption in forage corn sc. 540 under humidity regimes, an experiment was conducted as line source based on a randomized completele block design with three replications during two growing seasons of 2012 and 2013. the implementation of line source was appl...

Journal: :پژوهش های زراعی ایران 0
پرویز رضوانی مقدم ابوذر صبوری علی اصغر محمدآبادی روح اله مرادی

in order to evaluate the effects of different organic and chemical fertilizers on yield, yield components and seed oil content of sesame an experiment was conducted in a split plot layout based on randomized complete block design with four replications at research station, faculty of agriculture, ferdowsi university of mashhad in year 2006. four types of fertilizer, including chemical fertilize...

Journal: :علوم گیاهان زراعی ایران 0
رضا کشاورز افشار دانشجوی دکتری محمدرضا چائی چی دانشیار دانشگاه تهران حسین مقدم استادیار دانشگاه تهران سیدمحمدرضا احتشامی استادیار دانشگاه گیلان

to evaluate the effects of phosphate solubilizing bacteria and chemical phosphorous fertilizer on turnip (brassica rapa) forage yield under limited irrigation regimes, a field experiment was conducted in research farm of college of agriculture and natural resources, university of tehran, in karaj/iran during 2009 growing season. the experimental treatments were arranged as split plots. five lev...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده ادبیات و زبانهای خارجی 1393

abstract listening is a key and main tool in second language skill and its development is of prime concern to teachers and learners. furthermore, the application of technology in language classrooms has become more commonplace in the last fifty years. computer and the internet have made foreign language materials easy to access and use. so, the present study is an attempt to examine the effec...

پایان نامه :0 1374

the research questions were as follows: 1. is there any relationship between the students concious awareness of the form and implications of the conjuncations and their improvement in using appropriate conjunctions? 2. does students knowledge of the from and the implications of the conjunctions help them to produce more coherent writings. 3. does a comparison between english conjunctions and th...

In order to evaluate the effect of biofertilizers (nitroxin and phosphate barvar2), vermicompost and chemical fertilizers on the quantity and quality traits of sugar beet (Beta vulgaris L.), an experiment was conducted in randomized complete block design (RCBD) with 13 treatments and three replications at Agricultural and Natural Resources Research Station of Miandoab, Iran in 2015. The treatme...

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

abstract the first purpose of this study was to investigate the effect of consciousness-raising (c-r) activities on learning grammatical structures (simple present tense in this case) by iranian guidance school efl learners. the second one was to investigate the effect of gender on learning the simple present tense through c-r activities and tasks. finally, this study aimed to investigate the ...

Journal: :دامپزشکی 0
محمد رضا قمی گروه شیلات دانشگاه آزاد اسلامی واحد تنکابن حمید فغانی لنگرودی گروه شیلات دانشگاه آزاد اسلامی واحد تنکابن محمود رضا اویسی پور گروه شیلات دانشگاه علوم کشاورزی و منابع طبیعی گرگان

the aim of this study was to investigate the effect of chemical fertilizer and composite of organic and chemical fertilizer on lernaeasis in cultured cyprinids was performed in two treatments and three replications in each, in 6 one-hectare ponds. in first treatment only chemical fertilizer and in the second treatment the composite of organic and chemical fertilizer were used. the other rearing...

Journal: :بوم شناسی کشاورزی 0
سیما قلمباز امیر آینه بند عبدالامیر معزی

in order to evaluation of relation between weed dynamic and utilization of nitrogen in weed as influence of integrated fertilizer management in different weed densities, a field experiment was carried out in experimental farm of agricultural faculty of shahid chamran university of ahvaz at 2011-2012 growing season. experimental design was based on a split-plot with three replications .main plot...

Journal: :تولید گیاهان زراعی 0

in order to study the effect of different resources of farmyard manure, compost and biofertilizers on grain yield and quality of canola (talaieh cultivar), an experiment was conducted at kurdistan region in 2008 and 2009 growing season. experimental units were arranged in split-split plots design based on randomized complete blocks with three replications. main plots consisted of two locations ...

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