نتایج جستجو برای: 1 and minimum 3116 tonha

تعداد نتایج: 17243746  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

cultural iran is a scope that is more extended than the political territories of iran as a political unit. this concept means that cultural geography(mehdi moghanlo-1383-1) of iran is greater than its political geography which, according to history, has a long history extending west-east from kandahar to the euphrates and north-south from the persian gulf to the caucasus including transoxiana a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مراغه - دانشکده علوم پایه 1389

assume ? ? l2(rd) has fourier transform continuous at the origin, with ˆ ?(0) = 1, and thatcan be represented by an affine series f = j>0 k?zd c j,k?j,k for some coefficients satisfying c 1(2) = j>0 k?zd |c j,k|2 1/2 <?. here ?j,k(x) = |deta j |1/2?(a jx ?k) and the dilation matrices a j expand, for example a j = 2j i. the result improves an observation by daubechies that t...

جانب ا... نیازی, , حمیدرضا فولادمند, ,

To investigate the effects of different irrigation levels on yield and oil content of rapeseed, and to determine the irrigation requirement and irrigation scheduling, an experiment with Randomized Complete Block Design consisting of four irrigation treatments replicated 3 times, was conducted in Zarghan Agric. Expt. Station during the years of 2000-2003. The treatments were based on the cumulat...

Journal: :آب و خاک 0
نسرین سیاری محمد بنایان امین علیزاده محمدباقر بهیار

abstract accurate prediction of hourly minimum temperature is required for various crop models which simulate photosynthesis and transpiration. such data can be used for crop protection and reducing the crops injuries due to freezing as well. our objective of this study is employing trigonometric and pattern recognition (k-nn) approaches to evaluate their potential in prediction of hourly tempe...

Journal: :بوم شناسی کشاورزی 0

introduction intercropping, the agricultural practice of cultivating two or more crops in the same space at the same time, is an old and commonly used cropping practice which aims to match efficiently crop demands to the available growth resources (agegnehu et al., 2006; dhima et al., 2007). intercropping of chickpea with linseed reduced the chickpea yield by 60.3%, although linseed occupied on...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم کشاورزی 1392

طی بررسی تاکسونومیک کنه های پارازیتنگونای خشکی زی انگل بندپایان استان گیلان در سال های 1391-1389، 25 گونه لاروی متعلق به 20 جنس، 14 زیرخانواده، شش خانواده و چهار بالاخانواده از نمونه های خاک و از روی میزبان ها جداسازی و شناسایی شد که در بین آنها 12 گونه جدید برای دنیا، یک خانواده، شش گونه و پنج جنس به عنوان گزارش جدید برای ایران و چهار گونه گزارش جدید برای استان گیلان می باشند که به ترتیب با عل...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و زبانهای خارجی 1390

abstract this research is about a longitudinal case study of english morpheme acquisition by a persian speaking child l2 learner of english (2 .9-3).the goal of this research has been discovery of the child ‘s ability in acquiring of english morphemes in a persian context while only one person (the child’ s father)has been talking to her.this child has also been exposed to english languag...

M. Akhlaghi, M. S. Fereidouni, P. Akbary,

This study was conducted to examine in vitro antibacterialpotential from seed methanol extract of Peganum harmala (L) against some fish pathogenic bacteria including Lactococcus garvieae, Aeromonas hydrophila, Yersinia ruckeri and Pseuodomonas putida isolated from diseased rainbow trout (Oncorhynchus mykiss). The antibacterial activity of extracts was evaluated using disc diffusion assay, m...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1389

within the components of communicative competence, a special emphasis is put on the “rules of politeness,” specifically the politeness strategies (brown and levinson, 1978) that speakers deploy when performing the request speech act. this is because the degree of imposition that making a request places upon one’s interlocutor(s) has been seen to be influenced by several factors among which, as ...

Journal: :علوم دامی 0
مجید کلانتر نیستانکی دانشجوی دوره دکتری تغذیه دام دانشگاه شهرکرد، ایران اکبر یعقوبفر استاد، موسسه تحقیقات علوم دامی کشور، کرج، ایران فریبرز خواجعلی استاد، گروه علوم دامی دانشگاه شهرکرد، ایران

an experiment was conducted to evaluate the effect of non-starch polysaccharides of barley supplemented with multi-enzyme on growth performance and physiological characteristics of broilers. a total number of 375 one day old ross-308 broiler chickens were allocated randomly to 3 treatments with 5 replicates at 2 rearing period (including 1 to 21 and 22 to 42 days of age) using a crd statistical...

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