نتایج جستجو برای: iran interval irrigation treatments in three levels six

تعداد نتایج: 17191128  

Various environmental stresses are one of the most important causes of many problems in agricultural production and drought stress is one of these tensions. Considering the role of nanoparticles in improving the yield and resistance of plants to environmental stresses, this experiment was conducted on Rosa damascena as a factorial experiment based on a completely randomized design with three re...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1392

abstract reception environment has considerable effects on accepting a translation. as the expectations of a target culture and its values and needs change throughout history, its criteria for accepting a translation or rejecting it will change accordingly (gentzler, 2001). the expectations of iran, as the reception environment in the present study, have changed after the islamic revolution. i...

Journal: :آب و خاک 0
کوروش مجد سلیمی سید بابک صلواتیان مجتبی رضایی

abstract shortage and improper distribution of rainfall in tea growing period are important growth limiting factors in tea fields in northern part of iran. if there is not any other limited factors, supplemental irrigation by sprinkler can increase tea yield. this study was carried out in order to investigate the optimum sprinkler irrigation interval on yield and water use efficiency of tea. th...

Journal: :به زراعی کشاورزی 0
علیرضا عبداله پور کارشناس ارشد، گروه علوم خاک شناسی، دانشکده کشاورزی، دانشگاه گیلان، رشت ـ ایران محمود قاسم نژاد دانشیار گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه گیلان، رشت ـ ایران علی مومن پور دانشجوی دکتری گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه گیلان، رشت ـ ایران علیرضا اشکوری مربی، مؤسسة تحقیقات مرکبات کشور، رامسر ـ ایران

in this study, effect of irrigation duration on concentration of some macro and micro nutrient elements in ‘thompson navel’ orange leaves grafted on three rootstocks was evaluated as a factorial experiment in completely randomized block design. factors included rootstocks in three levels (poncirus trifoliata, citrus aurantium and troyer citrange (citrus sinensis ´ poncitus trifoliata)) and irri...

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

this dissertation has six chapter and tree appendices. chapter 1 introduces the thesis proposal including description of problem, key questions, hypothesis, backgrounds and review of literature, research objectives, methodology and theoretical concepts (key terms) taken the literature and facilitate an understanding of national security, national interest and turkish- israeli relations concepts...

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

this thesis is a study on insurance fraud in iran automobile insurance industry and explores the usage of expert linkage between un-supervised clustering and analytical hierarchy process(ahp), and renders the findings from applying these algorithms for automobile insurance claim fraud detection. the expert linkage determination objective function plan provides us with a way to determine whi...

امینی دهقی, مجید, حشمتی, سیاوش, فتحی امیرخیز , کیوان,

To study the effects of biological and chemical phosphorus on antioxidant enzyme activity in safflower under water deficit conditions, an experiment was conducted in 2012 at the Research Field of the Faculty of Agriculture, Shahed University, Tehran, Iran. The experimental design was a split-factorial with three replicates. The main factor was the three levels of irrigation treatment: full irri...

Journal: :آب و خاک 0
مهدی قیصری محمد مهدی مجیدی سید مجید میرلطیفی محمد جواد زارعیان سمیه امیری سید محمد بنی فاطمی

the response of root to water stress is one of the most important parameters for researchers. study of growth and distribution of root under different irrigation managements helpsresearchersto a better understanding of soil water content, and the availability of water and nutrition in water stress condition. to investigate the effects of four levels of irrigation under two different deficit irr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1375

in chapter one we will describe definitions and preliminary results to provide the global context of our own results to be presented in detail in the subsequent chapters in chapter two we consider degree-one maps of the circle and we study their rotation set. our main result in this chapter says that if the map is topologically mixing then its rotation interval is nontrivial (that is, not reduc...

Journal: :آب و خاک 0
مسعود محمدی بیژن قهرمان کامران داوری حسین انصاری علی شهیدی

introduction: fao aquacrop model (raes et al., 2009a; steduto et al., 2009) is a user-friendly and practitioner oriented type of model, because it maintains an optimal balance between accuracy, robustness, and simplicity; and it requires a relatively small number of model input parameters. the fao aquacrop model predicts crop productivity, water requirement, and water use efficiency under water...

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