نتایج جستجو برای: stress levels including control 80 of field capacity

تعداد نتایج: 21464127  

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

the purpose of the present study was to investigate the effect of instruction through debate on male and female efl learners’ reading comprehension, to examine the differences between the performance of male and female participants on the five dimensions of cctst including analysis, evaluation, inference, deductive reasoning, and inductive reasoning, and to examine the differences between male ...

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: :علوم باغبانی ایران 0
سمیه شیربانی دانشجوی سابق کارشناسی ارشد، دانشکده کشاورزی دانشگاه فردوسی مشهد غلامحسین داوری نژاد دانشیار گروه علوم باغبانی دانشکده کشاورزی دانشگاه فردوسی مشهد محمود شور استادیار گروه علوم باغبانی دانشکده کشاورزی دانشگاه فردوسی مشهد

there are about two of millions rainfed fig trees in estahban. this main location of iran rainfed production is faced with death and destruction as a result of recent droughts and since rain is the only source of water supplied to the trees in rain-fed conditions. the effects of different levels of water stress on the plants stomata and guard cell response were investigated throughout this work...

آرمند, نظام, احمدپور, راهله, حسین زاده, سعیدرضا, چاشیانی, سمیه,

Water stress is one of the most important factors limiting the growth and yield of plants in many parts of the world. In order to evaluate the effects of water stress on some morphological, physiological and antioxidant enzyme activity traits of lentil, four lentil cultivars (i.e. Gachsaran, Kimia, Ziba and Robat) in four water deficit treatments including 25%, 50%, 75% and 100% of the field ca...

Journal: :به زراعی کشاورزی 0
کامران امیری نسب کارشناس ارشد، گروه علوم باغبانی، دانشکدة علوم کشاورزی، دانشگاه گیلان، رشت، ایران هدایت زکی زاده استادیار، گروه علوم باغبانی، دانشکدة علوم کشاورزی، دانشگاه گیلان، رشت، ایران محمود قاسم نژاد دانشیار، گروه علوم باغبانی، دانشکدة علوم کشاورزی، دانشگاه گیلان، رشت، ایران محمد حسن بیگلویی استادیار، گروه مهندسی آب، دانشکدة علوم کشاورزی، دانشگاه گیلان، رشت، ایران

drought preconditioning (dp) is a method of irrigation with low frequency and longer duration, to extend the root system and suppress drought damage in plants. in the present study, the effect of dp for 30 days on increasing tolerance to drought stress in two turfgrass species, creeping bentgrass (agrostis stolonifera cv.palustris) and tall fescue (festuca arundinacea cv. greystone) was investi...

حکم‌آبادی, کاظم, مقدم, محمد, نریمانی, رسول, نوریان بیگدلی, سعید,

To study the effects of drought stress and soil application of beet bagasse on biochemical characteristics, photosynthetic pigments content and antioxidant activity of peppermint (Mentha piperita L.) leaf, a pot experiment was conducted in 2015 at Ferdowsi University of Mashhad. The experiment was carried out as a factorial experiment based on completely randomized design with four treatments o...

فرحبخش, حسن, کشاورز, لیلا , گلکار, پوراندخت ,

Drought stress has an important role in yield reduction of crops. To investigate the effects of applying zeolite hydrogel (as a superabsorbent) in reduction of adverse effects of drought stress on chlorophyll content, nitrogen, growth indices and their relationships with quantitative and qualitative yield of pearl millet (cv. Nitrifeed), a split plot experiment (in space and time), based on ran...

Bagheri, Hamideh, Hashemabadi, Davood, Kaviani, Behzad, Pasban Eslam, Bahman, Sedaghathoor, Shahram,

Sweet violet (Viola odorata) is a perennial herbaceous plant with ornamental and medicinal properties. The purpose of this study was to investigate the effect of different levels of water-deficit and spraying with salicylic acid, sodium nitroprusside and zinc Nano-oxide on physiological parameters, secondary metabolites and enzymatic activity of sweet violet. Factorial experiment in completely ...

Journal: :بوم شناسی کشاورزی 0
بهروز اسماعیل پور پریسا جلیل وند جواد هادیان

water deficit stress permanent or temporary limits the growth and distribution of natural vegetation and performance of plants more than other environmental factors. in order to investigate the effect of drought stress and mycorrhizal-arbuscular fungi inoculation on the growth and yield of savory (satureja hortensis l.) a factorial experiment based on completely randomized design were conducted...

Journal: :علوم باغبانی 0
سلاح ورزی سلاح ورزی تهرانی فر تهرانی فر گزانچیان گزانچیان آرویی آرویی

abstract the lack of water is the most important problem in extensive landscape especially turfgrass in arid and semi arid regions. the root responses in native and commercial grasses under drought stress were investigated. this experiment was in a factorial experiment based on unbalanced completely random design on the year 2006. the specious that we used in this experiment included (i) commer...

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