نتایج جستجو برای: mean yield gap was evaluated as 43 varied from 24

تعداد نتایج: 9671783  

Journal: :تولید گیاهان زراعی 0
بنیامین ترابی استادیار، گروه زراعت، دانشگاه ولیعصر رفسنجان، افشین سلطانی استاد، گروه زراعت، دانشگاه علوم کشاورزی و منابع طبیعی گرگان

precise application of the n fertilizer rate is critical to achieve maximum yield. in major regions, empirical methods were used for determining n fertilizer requirement. these methods cannot take into account variation in management and environmental conditions on determining fertilizer requirement. crop simulation models can provide an alternative means of determining the optimum crop n requi...

ژورنال: علوم آب و خاک 2006
اردشیر نجاتی جوارمی, , سیدرضا میرائ آشتیانی, , رسول واعظ ترشیزی, , محمد مرادی شهربابک, , محمود وطن خواه, ,

In this study external fat-tail dimensions (upper, middle and lower width, length, length of gap, depth and upper circumference) and fat-tail weights collected on 724 Lori-Bakhtiari sheep were used to study external fat-tail dimensions and their relationships with fat-tail weights. Sheep were 3 months to 6 years old and slaughtered at the industrial slaughter house of Joneghan in Chaharmohal an...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران - دانشکده علوم انسانی و اجتماعی 1391

the present study aimed to investigate the possible effects of focused highlighted error feedback on grammatical accuracy of writing among iranian intermediate efl learners. after selecting 52 homogenous participants from among 70 university students attending azad university of rasht and randomly dividing them into two intact groups of 26 students, the researcher exposed the participants of th...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1392

the extent to which written corrective feedback on linguistic errors can play a role in helping l2 writers improve the accuracy of their writing continues to be an issue of interest to researchers and teachers since truscott (1996) mounted a case for its abolition. while there is growing empirical evidence that written corrective feedback can successfully target some types of linguistic error (...

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

the world wide web becomes very popular recently and plays an influential role in english learning. by burgeoning role of source-based writing as partial fulfillment of tefl courses and vast use of the internet, lack of empirical studies to explore these areas is obvious. this study aimed to explore the effect of the amount of familiarity with the web (internet literacy) on junior english stude...

فریبا رفیعی, , قدرت‌اله سعیدی, ,

To study the genetic variation of different traits, 66 isolated lines from different Iranian safflower landraces of Isfahan, Azarbaijan, Khorasan, Kordestan, Central provinces along with 13 foreign genotypes and two local populations of Kooseh and Arak-2811 were evaluated in a simple lattice design with two replications. The experiment was conducted at the research farm, Isfahan University of ...

Journal: :iranian journal of otorhinolaryngology 0
roya sanayi department of audiology, faculty of rehabilitation, tehran university of medical sciences, tehran, iran. ghassem mohamadkhani department of audiology, faculty of rehabilitation, tehran university of medical sciences, tehran, iran. akram pourbakht department of audiology, faculty of rehabilitation, tehran university of medical sciences, tehran, iran. leila jalilvand department of audiology, faculty of rehabilitation, shahid beheshti university of medical sciences, tehran, iran. shohreh jalayi department of physiotherapy, faculty of rehabilitation , tehran university of medical sciences, tehran, iran. soudabeh shokri department of audiology, faculty of rehabilitation, tehran university of medical sciences, tehran, iran.

introduction: auditory temporal resolution and auditory temporal ordering are two major components of the auditory temporal processing abilities that contribute to speech perception and language development. auditory temporal resolution and auditory temporal ordering can be evaluated by gap-in-noise (gin) and pitch-pattern-sequence (pps) tests, respectively. in this survey, the effect of biling...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده ادبیات و علوم انسانی 1391

1.1 introduction “i see translation as the attempt to produce a text so transparent that it does not seem to be translated. a good translation is like a pane of glass. you only notice that it’s there when there are little imperfections- scratches, bubbles. ideally, there shouldn’t be any. it should never call attention to itself.” “norman shapiro” (venuti, 1995:1) edward fitzgerald is the br...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

a one dimensional dynamic model for a riser reactor in a fluidized bed catalytic cracking unit (fccu) for gasoil feed has been developed in two distinct conditions, one for industrial fccu and another for fccu using various frequencies of microwave energy spaced at the height of the riser reactor (fccu-mw). in addition, in order to increase the accuracy of component and bulk diffusion, instanta...

ژورنال: علوم زراعی ایران 2021

One way to increase crop yield per unit of area is to close the gap between actual and potential yield in cropping systems. This study was conducted to determine the factors that affeced wheat yield gap in Khorramshahr, Iran during 2018-2019 growing season. In this study 60 fields of different areas under cultivation, field management practices and grain yield yield levels were surveyed based o...

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