نتایج جستجو برای: iran during growing season in 2012

تعداد نتایج: 17261463  

A field experiment was carried out during the 2013-2014 growing season in Lorestan Province (Iran) to evaluate the effect of three planting densities (30, 55, and 83 plant.m-2) on growth indices and grain yield of four chickpea cultivars (Azad, Hashem, Arman and ILC482) under the fall dry land farming condition. The experiment design was factorial based on a randomized complete block design (RC...

2011
H. HAJIMEHDIPOOR Tahereh HASANLOO Roshanak SEPEHRIFAR Homa HAJIMEHDIPOOR

Antioxidant activities in the leaves and fruits of wild Vaccinium arctostaphylos (locally named Qare-Qat) from diff erent regions of Iran were evaluated using the stable 1, 1-diphenyl-2-picrylhydrazyl free radical and ferric reducing/antioxidant power methods. Variations in antioxidant activity, total phenolic, anthocyanin, and fl avonoid content in fruit samples among genotypes was much greate...

Journal: :تحقیقات آب و خاک ایران 0
مرضیه خیر اندیش کارشناس ارشد پردیس کشاورزی و منابع طبیعی دانشگاه تهران نوذر قهرمان استادیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران جواد بذر افشان استادیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران

in agricultural meteorology, the growing season is the period within each year when crops can be grown from a view of thermal conditions. this period is in general, between the last and first frost dates in spring and autumn when temperature is above a specific threshold. there are two other definitions when using a 5 °c as threshold. one of the methods employed in studying future climate is us...

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

the quest for power has formed much of the world history especially in 20th and 21st centuries. oil (energy) particularly after industrial revolution has been a tool for conquest and power and has been transformed to a geopolitical issue. from a geopolitical point of view this has been the case for the last two centuries in central asia and caucasus. central asia and caucasus has always been...

2001
SCOTT M. ROBESON

Using daily minimum air-temperature (Tmin) data from the state of Illinois, the dates of spring and fall freezes – and the resulting growing-season length – are examined for trends during the period 1906–1997. Of the stations in the Daily Historical Climate Network, most show trends toward earlier spring freezes; however, trends in fall freezes are not consistent over the station network. Altho...

Journal: :پژوهش های تولید گیاهی 0
ابراهیم زینلی استادیار گروه زراعت دانشگاه علوم کشاورزی و منابع طبیعی گرگان افشین سلطانی استاد گروه زراعت دانشگاه علوم کشاورزی و منابع طبیعی گرگان محمود تورانی دانشجوی کارشناسی ارشد دانشگاه علوم کشاورزی و منابع طبیعی گرگان محمد خادم پیر دانشجوی کارشناسی ارشد دانشگاه علوم کشاورزی و منابع طبیعی گرگان دانشجوی کارشناسی ارشد دانشگاه علوم کشاورزی و منابع طبیعی گرگان

the objective of this study was to obtain relationships between plant leaf area (cm2plant-1) with leaf dry weight (g plant-1), vegetative dry weight (g plant-1) and plant height (cm) in faba bean (vicia faba l.). the experiment was conducted at the research farm of gorgan university of agricultural sciences in 2011-2012 growing season. the experimental design was a randomized complete block des...

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: :Environmental entomology 2015
Erik A Smith M Fuchs E J Shields B A Nault

Onion thrips, Thrips tabaci Lindeman, is a worldwide pest of onion whose feeding damage and transmission of Iris yellow spot virus (IYSV) may reduce onion yields. Little is known about the seasonal dynamics of T. tabaci dispersal, the distance of dispersal, or the movement of thrips infected with IYSV during the onion-growing season. To address these questions, T. tabaci adults were collected u...

Journal: :حفاظت گیاهان 0
سید رضا میررحیمی بیداخویدی ثمین حسینی سید احمد حسینی سید علیرضا اسمعیل زاده حسینی الهام محمدی

tomato is one of the most important vegetables in iran and throughout the world with crop loss caused by several viruses. this survey was carried out to detect the viruses causing mosaic symptoms on tomato in yazd city (iran). a total of 451 samples of tomato leaves showing mosaic symptoms were collected from fields and greenhouses during 2012-2013 growing season. collected samples were analyze...

Journal: :Netherlands Journal of Agricultural Science 1958

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید