نتایج جستجو برای: priming irrigation after 250 mm evaporation from the pan decreased the yield and yield components

تعداد نتایج: 21743900  

Amiri, Seyed Reza , Salimi, Khaled , Ziaei, Seyed Masoud ,

Saravan is one of the arid regions of the country, so cultivating plants compatible with these areas can be effective in improving the province's agriculture. One of the most recently considered plants in the country is quinoa, which is resistant to adverse environmental conditions. Therefore, the present experiment was conducted with the aim of investigating the different levels of irrigation ...

Journal: :کشاورزی (منتشر نمی شود) 0
حمید جباری دانشجوی دکترای گروه زراعت، پردیس ابوریحان، دانشگاه تهران غلام عباس اکبری استادیار، گروه زراعت، پردیس ابوریحان، دانشگاه تهران جهانفر دانشیان استادیار پژوهش، بخش دانه¬های روغنی، موسسه اصلاح و تهیه نهال و بذر کرج‏ ایرج اله دادی استادیار، گروه زراعت، پردیس ابوریحان، دانشگاه تهران نسترن شهبازیان استادیار، گروه زراعت، پردیس ابوریحان، دانشگاه تهران

in order to study the effect of water deficit effects on agronomic characteristics of sunflower ‎hybrids, three separate experiments were conducted as‏ ‏randomized complete block design with ‎three replications at the research field of seed and plant improvement institute - karaj. the first ‎experiment conducted at optimum conditions and plants were irrigated after 60 mm evaporation ‎from evapo...

Journal: :چغندرقند 0
محمدرضا اوراضی زاده مربی پژوهشی مؤسسه تحقیقات اصلاح و تهیه بذر چغندرقند، سازمان تحقیقات، آموزش و ترویج کشاورزی، ایران اباذر رجبی دانشیار مؤسسه تحقیقات اصلاح و تهیه بذر چغندرقند، سازمان تحقیقات، آموزش و ترویج کشاورزی، ایران مسعود احمدی استادیار بخش تحقیقات چغندرقند، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان خراسان رضوی، سازمان تحقیقات، آموزش و ترویج کشاورزی، ایران.

one of the most effective ways to deal with drought stress and increase water use efficiency is the development of drought-tolerant varieties which display less reduction in yield per unit water reduction. therefore, the breeding of diploid pollinators was considered as an essential measure for producing drought-tolerant hybrids. in this study, from 4 diploid pollinator populations, 45 half-sib...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1390

a novel silver (ag) nanocomposite electrode was proposed that fabricated from metal nanostructures and ionic liquids. the combined application of unique properties of nanomaterials and ionic liquids in the design of this ag nanocomposite results in electrodes with interesting advantages compared to the conventional metal disk electrode. in the first part of this thesis, the elecrocatalytic eff...

ژورنال: علوم زراعی ایران 2020

This experiment was conducted to evaluate the effect of deficit irrigation on seed yield and its components of sunflower hybrids, and also identify tolerant hybrids. Twelve sunflower hybrids; Farrokh, Shams, Ghasem, Barzegar, G5 ×43, G6×43, Hysun25, Hysun36, Azargol, Sumbro, Euroflor and Sirena were evaluated under three irrigation treatments; normal irrigation (60 mm), mild drought stress (1...

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

data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...

Journal: :پژوهش های زراعی ایران 0
مهدی قورچیانی حسینعلی علیخانی غلامعباس اکبری مهدی زارعی ایرج اله دادی

in order to evaluate the effect of balanced application of chemical phosphorus fertilizer and seed inoculation with phosphate solubilizing bacterium and arbuscular mycorrhizal fungus and on the yield and yield components of maize (zea mays l.) under normal and limited irrigation conditions, a split-split plots arrangement based on randomized complete block design with three replications was con...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1391

abstract: proverbs are of the language materials which of the food of any language depends on the quality and quantity of these same materials. in the present research, the researcher tried to present the ramsarian proverbs according to four variables of color, fruit, plantsand animals that selected from the book of the members of each of these four variables, put them into the spss system fo...

Journal: :به زراعی کشاورزی 0
فرهاد عزیزی استادیار، موسسه تحقیقات اصلاح و تهیه نهال بذر، کرج - ایران علی ماهرخ کارشناس، موسسه تحقیقات اصلاح و تهیه نهال بذر، کرج - ایران

in order to comparison and determination of the best drought tolerance indices in sweet corn hybrids, an experiment was conducted using a randomized complete block design in split plot lay out with three replications at seed and plant improvement institute in karaj in 2006. three irrigation levels (irrigation after 75 as control, 100 and 125 millimeters cumulative evaporation from class a evapo...

Journal: :چغندرقند 0
علی سلیمانی دانشیارگروه زراعت و اصلاح نباتات- دانشگاه آزاد اسلامی، واحد خوراسگان

hargraves-samani method is one of the methods for calculating plant evapotranspiration that needs minimum meteorological data. in order to evaluate et-hs model in determining sugar beet crop water demand in isfahan, an experiment was conducted at research field of department of agriculture, khorasgan branch, islamic azad university, isfahan, iranin 2005. the study was based a randomized complet...

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