نتایج جستجو برای: leaf width and thickness

تعداد نتایج: 16857625  

Journal: :به زراعی کشاورزی 0
هادی لطفی استادیار، گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه زنجان، زنجان، ایران طاهر برزگر دانشجوی کارشناسی ارشد، گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه زنجان، زنجان، ایران ولی ربیعی دانشیار، گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه زنجان، زنجان، ایران زهرا قهرمانی استادیار، گروه علوم باغبانی، دانشکده کشاورزی، دانشگاه زنجان، زنجان، ایران جعفر نیکبخت استادیار، گروه مهندسی آب، دانشکده کشاورزی، دانشگاه زنجان، زنجان، ایران

in order to evaluate the effect of water stress on fruit quality and quantity of some iranian melons, the experiment was set out in a split plot design with three replicates in research filed of university of zanjan in 2014. treatments consisted arrangement of three irrigation levels (starting irrigation at 100, 66 and 33 etc) and 11 genotypes of iranian melons (ʼkhatouniʻ, ʼkaliʻ, ʼorshangʻ, ʼ...

ژورنال: علوم آب و خاک 2008
ربیعی, بابک , رحیم سروش, حسین , سمیع زاده لاهیجی, حبیب اله , فضلعلی پور, مریم,

  Application of selection index for screening desired plants based on complex quantitative traits can be more effective than direct selection. This study was conducted using an F2 rice population consisting of 87 plants derived from a cross between two cultivars Gharib and IR28. The purpose was to establish suitable selection indices for increasing yield and its related traits in research farm...

خدامباشی, محمود, ربیعی, کرامت, رضائی, عبدالمجید,

Factor and principal component analyses are widely used in different sciences especially in agricultural science. To determine the factors that create variation between potato cultivars, in normal (non-stress) and water deficit (stress) conditions, two experiments were conducted in the form of randomized complete block design with three replications in summer 2002. Stepwise regression analysis ...

Journal: :بوم شناسی کشاورزی 0
مرتضی گلدانی مهدی نصیری محلاتی

in order to study the effect of light quality and quantity on morphological and physiological characteristics of two late and early maize (zea maize l.) s.c., an experiment was conducted in greenhouse conditions, ferdowsi university of mashhad, iran, during 2008. the experiment was carried out factorial based on randomized complete block design with six treatments and three replications. differ...

Background and Aim: The accuracy of linear measurements in CBCT images is one of the critical parameters in treatment planning. Slice thickness and exposure parameters seem to affect the accuracy of linear measurements. In this study, we investigated the impact of the above factors on the accuracy of linear measurements in CBCT. Materials and Methods: For the in vitro experiment, three dry huma...

2009
T. E. Gómez Álvarez-Arenas D. Sancho-Knapik J. J. Peguero-Pina E. Gil-Pelegrín

Plant leaves are studied by the analysis of the magnitude and phase spectra of their thickness mechanical resonances. These resonances appear at ultrasonic frequencies and have been excited and sensed using air-coupled ultrasounds. In spite of the complex leaf microstructure, the effective medium approach can be applied to solve the inverse problem, at least in the vicinity of the first thickne...

ژورنال: علوم آب و خاک 2009
خدامباشی, محمود, ربیعی, کرامت, رضائی, عبدالمجید,

Factor and principal component analyses are widely used in different sciences especially in agricultural science. To determine the factors that create variation between potato cultivars, in normal (non-stress) and water deficit (stress) conditions, two experiments were conducted in the form of randomized complete block design with three replications in summer 2002. Stepwise regression analysis ...

The Tera hertz radiation from a finite size superconductor media inside a magnetic field has been investigated. The tera hertz radiation is due to the flux flow motion inside the media. The electromagnetic fields inside the superconductor due to fluxons are calculated and using those fields, the radiation is obtained. In this research, the effects of finite size on the radiated power and signal...

2016
Oliver Binks Patrick Meir Lucy Rowland Antonio Carlos Lola da Costa Steel Silva Vasconcelos Alex Antonio Ribeiro de Oliveira Leandro Ferreira Maurizio Mencuccini

Dry periods are predicted to become more frequent and severe in the future in some parts of the tropics, including Amazonia, potentially causing reduced productivity, higher tree mortality and increased emissions of stored carbon. Using a long-term (12 year) through-fall exclusion (TFE) experiment in the tropics, we test the hypothesis that trees produce leaves adapted to cope with higher level...

There is a complicated relation between cold flat rolling parameters such as effective input parameters of cold rolling, output cold rolling force and exit thickness of strips. In many mathematical models, the effect of some cold rolling parameters has been ignored and the outputs have not a desirable accuracy. In the other hand, there is a special relation among input thickness of strips, the ...

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