نتایج جستجو برای: 2012. cropping systems were chosen as main plots including conventional

تعداد نتایج: 8074446  

Journal: :به زراعی کشاورزی 0
سلمان دستان مربی، گروه زراعت، دانشکدة کشاورزی، دانشگاه پیام نور، تهران - ایران قربان نورمحمدی استاد، گروه زراعت، دانشکدة کشاورزی، دانشگاه آزاد اسلامی واحد علوم و تحقیقات، تهران - ایران حمید مدنی دانشیار، گروه زراعت، دانشکدة کشاورزی، دانشگاه آزاد اسلامی واحد اراک، اراک - ایران

to evaluate of rice genotypes in various modified systems, an experiment was carried out as split plot in randomized complete blocks design with four replications at neka region, mazandaran province, iran in 2011-2012. cropping systems were chosen as main plots including conventional, improved and system of rice intensification (sri) and genotypes as sub plots including: sang tarom, hashemi tar...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده ادبیات، زبانهای خارجی و تاریخ 1389

abstract the main purpose of this study was to investigate whether there was any significant difference between the speaking achievement of learners who were trained by means of consciousness raising of sociolinguistic skills and that of learners who were trained without the above mentioned task. the participants of this study consist of 60 intermediate level students participating languag...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

growing demands and requires of high data rate systems cause significant increase of high frequency systems for wideband communication applications. as mixers are one of the main blocks of each receivers and its performance has great impact on receiver’s performance; in this thesis, a new solution for ku-band (12-18 ghz) mixer design in tsmc 0.18 µm is presented. this mixer has high linearity a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1390

this study was conducted to investigate the impact of podcasts as a learning and teaching tool on iranian efl learners’ motivation for listening as well as on their listening comprehension ability. the study also investigated the learners’ perception towards listening to podcasts and examined whether the learners were likely to accept podcasts. out of fifty-five intermediate learners studying e...

Journal: :علوم گیاهان زراعی ایران 0
امین اله موسوی بوگر پردیس کشاورزی کرج محمدرضا جهانسوز دانشیار، پردیس کشاورزی و منابع طبیعی کرج، دانشکده علوم زراعی و دامی، گروه زراعت و اصلاح نباتات، تخصص: زراعت، اکولوژی محمد رضا مهرور موسسه اصلاح بذر و نهال کرج رضا حسینی پور پردیس کشاورزی کرج

conservation tillage, a fast growing practice in iran, is considered as a means to achieve sustainability in agricultural systems. this study was carried out to determine the effect of tillage systems (no-tillage, minimum tillage and conventional tillage ) on yield and yield components of three irrigated wheat varieties. the field experiment was conducted at the experimental station of the univ...

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...

جلیلیان, جلال, پیرزاد, علیرضا, کوه نورد, پریناز,

To evaluate the effect of micro-nutrients spraying on some agronomic characteristics of the safflower (Carthamus tinctorius L. cv. Isfahan landrace), under different cropping systems, an experiment was carried out as split plot based on randomized complete block design with three replications in 2011. Experimental treatments were including: cropping systems (high, medium, low input and ecologic...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده منابع طبیعی و علوم دریایی 1388

this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...

اصغری, جعفر, سمیع زاده, حبیبالله , محسن آبادی, غلام‌رضا, مرادی, پرستو ,

In order to evaluate the benefits of maize, pinto bean and naked pumpkin triple cropping, an experiment was carried out as a randomized complete block design with three replications at Faculty of Agricultural Science, University of Guilan, Rasht, Iran in 2012. The treatments consisted of maize, pinto bean and naked pumpkin sole cropping (100, 75 and 50% of conventional densities), maize – pinto...

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...

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