نتایج جستجو برای: deficit irrigation in flowering

تعداد نتایج: 16991840  

Journal: :desert 0
h. sarhadi islamic azad university of takestan, qazvin, iran j. daneshian agricultural research, education and extension organization, qazvin, iran s.a. valadabadi islamic azad university of takestan, qazvin, iran h. heidari sharafabad professor, science and research branch, islamic azad university, tehran, iran gh.r. afsharmanesh research, education and natural resources center, southern kerman, iran

for investigation deficit irrigation and nitrogen application effect on nutrients uptake of henna ecotypes, this research was conducted in the form of split-split-plot on the basis of randomized complete block design with four replications in the research field of islamic azad university, jiroft, iran in 2013-2014. the main, sub and sub-sub plot were deficit irrigation (100, 75 and 50% of crop ...

Journal: :تحقیقات مهندسی کشاورزی 0
نیازعلی ابراهیمی پاک استادیار بخش آبیاری و فیزیک خاک مؤسسه تحقیقات خاک و آب ابراهیم پذیرا استاد دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران

this study was conducted to evaluate the impact of deficit irrigation and growth stages on yield and yield components of potatoes and water use efficiency. a field experiment was conducted at shahrekord agricultural research station over three years of crop seasons using a randomized complete block design with three replications. plots were assigned to five levels of deficit irrigation treatmen...

Journal: :مدیریت آب و آبیاری 0
محسن افاضاتی کارشناسی ارشد آبیاری و زهکشی، گروه مهندسی آب، دانشکدۀ فنی و کشاورزی، دانشگاه آزاد اسلامی، واحد کرمان، کرمان، ایران محسن ایران دوست استادیار گروه مهندسی آب، دانشکدۀ فنی و کشاورزی، دانشگاه آزاد اسلامی واحد کرمان، کرمان، ایران عباس رضایی استخروییه استادیار گروه مهندسی آب، دانشکدۀ کشاورزی، دانشگاه شهید باهنر کرمان، کرمان، ایران

this study was performed in order to evaluate the effects of application of super absorbent on the yield and water use efficiency of cucumber under deficit irrigation conditions in greenhouse. plants cultivated in plastic pots and irrigation emitter with four liters per hour discharge was performed. three levels of irrigation water height (10, 8.3 and 6.2 mm day-1) were used as the main factor ...

Abstract: To investigate the effect of nutrition management along with zeolite application on the fertilizer use efficiency and irrigation water productivity of two cultivars of maize under deficit irrigation conditions, a field experiment was carried out. The experiment was conducted at Soil and Water Research Institute, Karaj, Iran, in 2015 and 2016, in the form of a   factorial split plot...

ژورنال: علوم آب و خاک 2016
جمشیدی , سجاد , فروهرفر, فریده , نوشادی, مسعود ,

Evaluation of pollutant transportation in soil is important from different environmental aspects such as soil and groundwater contamination. The purpose of this study is to measure 2, 4-D concentrations in a silty loam soil under two different treatments (normal and deficit irrigation) in a corn field and simulate the results using the PRZM-3 and LEACHP models. Total concentrations of 2, 4-D in...

Journal: Desert 2016
Gh.R. Afsharmanesh H. Heidari Sharafabad H. Sarhadi J. Daneshian S.A. Valadabadi

     For investigation deficit irrigation and nitrogen application effect on nutrients uptake of henna ecotypes, this research was conducted in the form of split-split-plot on the basis of randomized complete block design with four replications in the Research Field of Islamic Azad University, Jiroft, Iran in 2013-2014. The main, sub and sub-sub plot were deficit irrigation (100, 75 and 50% of ...

Amin Hasanvandi Jahanshir Shakarami Shahriar Jafari,

Damage caused by water shortages leads to physiological and biochemical changes in metabolism of plants and make them predispose to attack by pests and diseases and reduce the quality of the crops. In order to evaluate the effect of supplemental irrigation on safflower fly (A. helianthi) population of safflower cultivars, an experiment conducted as a split plot based on randomized complete bloc...

Journal: :پژوهش های کاربردی زراعی (زراعت سابق) 0
مهدی سرائی تبریزی دانشجوی دکتری آبیاری و زهکشی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، گروه مهندسی آب، تهران، ایران مسعود پارسی نژاد دانشیار گروه مهندسی آبیاری و آبادانی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج حسین بابازاده استادیار دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، گروه مهندسی آب، تهران

present limitations on available water resources especially for use in agriculture sector, shows that more attention to irrigation water management is inevitable. deficit irrigation is a practice to improve use of unit volume of water. in this research, efficacy of cropwat 8.0 model was evaluated against field data under deficit irrigation management on soybean in karaj. in 2008 and 2009 agrono...

Journal: :کشاورزی (منتشر نمی شود) 0
امیر حسین شیرانی راد‏ استادیار پژوهش موسسه تحقیقات اصلاح و تهیه نهال و بذر، کرج - ایران‏ محمد رضا نادری درباغشاهی استادیار دانشگاه آزاد اسلامی واحد خوراسگان، اصفهان - ایران‏ بهرام مجد نصیری استادیار پژوهش مرکز تحقیقات کشاورزی اصفهان، اصفهان - ایران‏ حمید مدنی‏ استادیار دانشگاه آزاد اسلامی واحد اراک، اراک - ایران منصور حسن زاده عضو هیأت علمی دانشگاه آزاد اسلامی واحد خوراسگان، اصفهان - ایران‏

the effect of drought stress on yield and components of three varieties of autumnal rapeseed in the south ‎eastern region of isfahan, utilizing four irrigation regimes (i.e. no irrigation from flowering stage on, no ‎irrigation from the podding stage on, no irrigation from grain filling stage on, and a normal irrigation regime ‎after 80 mm evaporation from class a evaporation tube) were studied...

Journal: :پژوهش های زراعی ایران 0
علی ماهرخ فرهاد عزیزی

this study was conducted to determine the effect of cliniptilolite natural zeolite on deficit irrigation stress tolerance on maize cultivar ksc704. the experiment was laid out as a factorial design based on randomized complete block with three replications at seed and plant improvement institute, karaj in 2012. four irrigation levels, including irrigation after 70, 95, 120 and 145 mm cumulative...

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