نتایج جستجو برای: cross. experimental treatments included 4 different irrigation levels

تعداد نتایج: 4640105  

Journal: :تحقیقات آب و خاک ایران 0
مهدی قیصری استادیار گروه مهندسی آب دانشکدة کشاورزی دانشگاه صنعتی اصفهان، اصفهان ـ ایران محمد مهدی مجیدی دانشیار گروه مهندسی زراعت و اصلاح نباتات دانشکدة کشاورزی دانشگاه صنعتی اصفهان، اصفهان ـ ایران محمد جواد زارعیان دانشجوی دکتری آبیاری و زهکشی دانشکدة کشاورزی دانشگاه صنعتی اصفهان، اصفهان ـ ایران سید مجید میرلطیفی دانشیار گروه آبیاری و زهکشی دانشکدة کشاورزی دانشگاه تربیت مدرس، تهران ـ ایران حمزه دوکوهکی دانشجوی سابق ارشد آبیاری و زهکشی دانشکدة کشاورزی دانشگاه صنعتی اصفهان، اصفهان ـ ایران سمیه امیری دانشجوی سابق کارشناسی مهندسی آب دانشکدة کشاورزی دانشگاه صنعتی اصفهان، اصفهان ـ ایران

this study was conducted to investigate the effects of applying deficit irrigation on aboveground biomass, leaf area and root biomass for maize hybrid 704 single-cross. experimental treatments included 4 different irrigation levels, 5 growth stages with three replicates in a completely randomized factorial statistical design. aboveground biomass, leaf area and root biomass in 4 longitudinal sec...

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

building on previous studies on the effectiveness of different types of written corrective feedback, the present study aimed at investigating whether direct focused corrective feedback and direct unfocused corrective feedback produced any differential effects on the accurate use of english articles by efl learners across two different proficiency levels (low and high). in current study, the par...

ژورنال: علوم آب و خاک 2007
احمد نادری, , الیاس دهقان, ,

This study included two experiments conducted in 2000-2001 for surveying the effects of saline water irrigation on yield and yield components in corn varieties. Experiments were conducted in a silty-clay soil in Ahwaz Agricultural Research Center. First experiment was conducted as a split plots and randomized complete blocks design in three replications. Main plots included salinity levels 2, 4...

احمد نادری, , الیاس دهقان, ,

This study included two experiments conducted in 2000-2001 for surveying the effects of saline water irrigation on yield and yield components in corn varieties. Experiments were conducted in a silty-clay soil in Ahwaz Agricultural Research Center. First experiment was conducted as a split plots and randomized complete blocks design in three replications. Main plots included salinity levels 2, 4...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده ادبیات و زبانهای خارجی 1393

abstract this quasi-experimental study was aimed at examining the impact of storyline complexity on the grammatical accuracy and complexity of advanced and intermediate efl learners. a total of 65 advanced and intermediate efl learners were selected from iran language institute (ili). an intact group including 35 intermediate participants and another intact group with 30 advanced participants ...

Journal: :چغندرقند 0
مصطفی حسین پور دانشجوی مقطع دکتری رشته زراعت دانشگاه تربیت مدرس

drip irrigation is the most efficient technique known for improving irrigation water management. a two-year study was conducted to determine the effects of drip and furrow irrigation methods on yield and quality of sugar beet in north of khuzestan. in the first year, the experimental design was a completely randomized block design with three replications. treatments were, three drip irrigation ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - پژوهشکده ادبیات 1392

abstract the aim of the present study is to explore the impact of the cognitive reading strategy instruction on learners reading self-efficacy and their reading achievement. in order to fulfill this purpose, from 120 participants, 90 intermediate efl learners as an experimental group were chosen from three different educational settings namely, yazd university, yazd science and art un...

In order to investigate the response different of maize hybrids under drought stress in different levels growth stages, a field experiment was done as split plot layout based on randomized complete block design with three replications, in crop school of Meghan of Agriculture and natural Resources in year 2014. The treatments were included three irrigation regimes (Full irrigation, deficit irrig...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده ادبیات و زبانهای خارجی 1391

building on previous studies on intellectual features and learners’ grammar learning, the present study aimed at investigating whether intelligence criterion had any impact on efl learners’ english grammar learning across two intelligence levels. in the current study, the participants were divided into two experimental and control groups by administration of raven i.q. test. this led to the for...

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2014
sara yari pezhman moradi farahnaz khalighi-sigaroodi

background & aim: aloe vera is used in the food and pharmaceutical as an aid to effective treatment. the purpose of this study is to improve growth, increase production of valuable metabolites and increase the sugars in aloe vera gel with low cost and high efficiency under water stress conditions. experimental: in this study, aloe vera potted in greenhouse conditions with four levels of zeo...

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