نتایج جستجو برای: 2011 at yazd agricultural research station the results indicated that drought stress significantly reduced leaf area index

تعداد نتایج: 16858326  

Journal: :پژوهش های حبوبات ایران 0
کمال حاج محمدنیا قالی باف فریده سادات حسینی احمد نظامی مهدی پارسا

introduction lentil with about 28 percent protein occupies the second after soybean. it is one of the major crops in developing countries as a complement to cereals and is an excellent source of protein and amino acids in the diet. results of studies shown that for most crops, including lentil, the occurrence of drought stress in some phenology stages cause irreparable damages to yield. therefo...

Journal: :بوم شناسی کشاورزی 0
شیوا اکبری محمد کافی شهرام رضوان بیدختی

introduction drought stress reduces plant growth by affecting various physiological and biochemical processes, such as photosynthesis, respiration, translocation, ion uptake, carbohydrates, nutrient metabolism and growth promoters. garlic (allium sativum l.) is an annual bulb crop that has been cultivated since ancient times and was used as a spice and condiment for many centuries. garlic is an...

Journal: :علوم گیاهان زراعی ایران 0
آرش محمدزاده دانشجوی کارشناسی ارشد پردیس کشاورزی و منابع طبیعی، دانشگاه تهران ناصر محنون حسینی استاد پردیس کشاورزی و منابع طبیعی، دانشگاه تهران حسین مقدم استادیار پردیس کشاورزی و منابع طبیعی، دانشگاه تهران مهدی اکبری دانشیار موسسه تحقیقات فنی و مهندسی کشاورزی

to study the effects of different levels of water stress and nitrogen fertilizer on seed yield and yield components of two common bean genotypes (phaseolus vulgaris), an experiment in a split plot factorial based on crbd with four replications was conducted at the research farm of university of tehran (karaj-iran) in 2010. water stress treatments as the main factor included normal irrigation (6...

Hassan Khosravi Kamran Karimi Sara Nakhaee Nezhad Fard

In this research Standardized Precipitation Index (SPI) in a period of 22 years(1990 to 2011) was used for zoning of climatic and agricultural drought in South Khorasanprovince, Iran. Rainfall data of six synoptic stations were collected and used for evaluationof meteorological drought. Also, reports of some local offices such as natural resources,agriculture, regional water and environment dep...

شاکری, احسان, طباطبایی, سید علی,

In order to study the effect of drought stress on qualitative and quantitative traits of sunflower cultivars and use of drought tolerance stress to determine the most tolerant cultivar to drought stress, this experiment was conducted on six cultivars of sunflower under two irrigation regimes (normal irrigation and drought stress) at agricultural and natural resources center of Yazd in 2010. The...

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

this study was an attempt to investigate the effect of using c-test passages on the reading comprehension and incidental vocabulary learning of iranian intermediate efl learners. the participants were 60 male efl learners at kish mehr institute in garmsar. in fact, there were two groups, an experimental group and a comparison group with 30 students in each. the participants were pretested throu...

Journal: :علوم باغبانی 0
امیر صادقی نعمت اله اعتمادی محبوبه شمس فاطمه نیازمند

in this study, the effect of drought stress on morphological and physiological characteristics of wheatgrass and tall fescue was investigated in a factorial-split plot in time arrangement based on a completely randomized design with three replications. after turf establishment, half pots were exposed to drought stress and the half other were completely irrigated. based on the results tall fescu...

Journal: :علوم گیاهان زراعی ایران 0
علی اکبر قنبری استادیار، مؤسسۀ تحقیقات اصلاح و تهیۀ نهال و بذر، کرج سید حسن موسوی محقق، مؤسسۀ تحقیقات اصلاح و تهیۀ نهال و بذر، کرج اشکان عباسیان محقق، مؤسسۀ تحقیقات ثبت و گواهی بذر و نهال، کرج ساسان کشاورز محقق، مؤسسۀ تحقیقات اصلاح و تهیۀ نهال و بذر، کرج

some of the morpho-physiological characteristics related to the leaf growth and development of phaseolus vulgaris l. genotypes have been studied in the field conditions at the seed and plant improvement institute (spii). the study was performed as split plot experiment in a randomized complete block design with four replications in well-watered and water deficit conditions with eight genotypes ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

just as motivation is important in sla research, demotivation constitutes an important factor, too. there are many studies done on demotivation and burnout of teachers. many of these studies have been conducted on one or two aspects of english instruction. consequently, there are few studies which have been done on more than two aspects of english teaching. the aim of this study is to find out ...

     In order to study genetic variation and effect of drought stress on grain yield, some agronomical traits and 13 drought tolerance indices, an experiment was conducted on nine cultivars at Shahid Bahonar University of Kerman research field. The experimental layout was conducted in a randomized complete block design with three replications under two complementary irrigation and dryland condi...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید