نتایج جستجو برای: peak flowering and boll formation stagesi4

تعداد نتایج: 16916946  

Journal: :پژوهش آب در کشاورزی 0
محسن دهقانی عضو هیئت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان اصفهان. مجید جعفرآقایی عضو هیئت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان اصفهان. سید حسن طباطبایی دانشیار گروه مهندسی آب دانشگاه شهرکرد.

due to limited water resources, applying efficient water use in agriculture is very important. this experiment was carried out in kabootarabad agricultural research station for two years using split plots in a randomized complete block design with four replications. six irrigation treatments based on evaporation from class a pan were applied as the main factor at three cotton growing stages, na...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده علوم 1389

this research concentrates on the lithostratigraphy, biostratigraphy, microfacies and sedimentary environment of the asmari and gachsaran formations at southwest firuzabad. the thickness of the studied section in all 608.95 meters that 220.8 meters belong to the asmari formation and 387.95 meters belong to the gachsaran formation (champe and mol members). in the study area, the asmari formation...

Journal: :به زراعی کشاورزی 0
علی نادری عارفی محقق بخش اصلاح و تهیه نهال و بذر، مرکز تحقیقات کشاورزی استان سمنان، ایستگاه گرمسار، گرمسار ـ ایران محمد عابدینی اسفهلانی عضو هیأت علمی بخش اصلاح و تهیة نهال و بذر، مرکز تحقیقات کشاورزی استان سمنان، شاهرود ـ ایران

to determine the best planting date and irrigation schedule in a cotton field (gossypium hirsutum var.varamin) in garmsar region an experiment was conducted in 2011. the experimental design was splitplot based on randomized complete block with three replications. three irrigation termination dates (2011sep 11th, 2011 sep 21st and 2011 oct 2nd) arranged in main plots as main factor and three pla...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده فیزیک 1390

in this thesis, barium ferrite nano particles were prepared by sol-gel method. their structural and magnetic properties of samples have been investigated using thermo gravimetric analysis (tg-dta), x-ray powder diffractometer (xrd), fourier transform infrared (ftir), scanning electron microscopy (sem), field emission scanning electron microscopy (fesem), ac susceptometer, vibrating sample magne...

Journal: :پژوهش های زراعی ایران 0
عزیز الله اردکانی محمد آرمین اسماعیل فیله کش

introduction salinity is a major abiotic stress that affects approximately 7% of the world’s total land area. cotton (gossypium barbadense l.) is considered as one of the most important cash crops which is widely used for agricultural and industrial purposes. although, cotton is classified as one of the most salt-tolerant major crops but its growth and development are adversely affected by soil...

Journal: :پژوهش های تولید گیاهی 0

in order to determine the best time of cotton irrigation in east of mazandaran province, an experiment, conducted for 3 successive years in agricultural research station of baykola. six treatments and four replications were carried out with randomized complete block designs for sahel variety. water treatments were carried out based on, i0: no irrigation, i1: once irrigation in boll opening stag...

Journal: :international journal of advanced biological and biomedical research 2014
mahdi aghaalikhani arash roozbahani amir hassan omidi

in order to study the effect of bio-fertilizers  in decrease the effects of water stress on yield, yield components and oil percentage of goldasht spring safflower cultivars (carthamus tinctorius l.), an experiment on split plot in a randomized complete block design with three replications was carried out  in 2012 at the agricultural research station of islamic azad university of roudehen branc...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - پژوهشکده مهندسی فرایند 1395

abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...

Amir Hassan Omidi Arash Roozbahani Mahdi Aghaalikhani,

In order to study the effect of bio-fertilizers  in decrease the effects of water stress on yield, yield components and oil percentage of Goldasht spring safflower cultivars (Carthamus tinctorius L.), an experiment on split plot in a randomized complete block design with three replications was carried out  in 2012 at the Agricultural Research Station of Islamic Azad University of Roude...

Amir Hassan Omidi Arash Roozbahani Mahdi Aghaalikhani,

In order to study the effect of bio-fertilizers  in decrease the effects of water stress on yield, yield components and oil percentage of Goldasht spring safflower cultivars (Carthamus tinctorius L.), an experiment on split plot in a randomized complete block design with three replications was carried out  in 2012 at the Agricultural Research Station of Islamic Azad University of Roude...

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