نتایج جستجو برای: Irrigation water requirement

تعداد نتایج: 739101  

ژورنال: علوم آب و خاک 2015

In order to investigate the effects of furrow irrigation and amount of irrigation water on yield and water use efficiency of corn, an experiment was conducted as a split plot based on a randomized complete block design with three replications for a period of two years at Agriculture Center of Mazandaran. Treatments included three levels of 100, 80 and 60 percent water requirement as the main tr...

Journal: :آب و خاک 0
سیدحسین صدرقاین مهدی اکبری هادی افشار محمدمهدی نخجوانی مقدم

abstract this study was conducted to determine the impacts of different drip irrigation method and amount of water on yield and water use efficiency of tomato in varamin agricultural research center, iran. the study was done during two years. experimental design was randomized complete blocks design (rcbd) in split plot with three replications. three different drip irrigation method; surface dr...

Journal: :چغندرقند 0
حمیدرضا فولادمند استادیار آبیاری و زهکشی دانشگاه آزاد اسلامی واحد مرودشت

irrigation requirement equals the difference between water requirement and effective rainfall which can be estimated by considering the water application efficiency. the values of water requirement and irrigation requirement of sugar beet have been reported using netwat program in different regions ofiran. however, the mean values were used in this program; therefore the values of water and irr...

Journal: :آب و خاک 0
ناصر صداقتی سید جواد حسینی فرد اکبر محمدی محمدآبادی

unsustainable harvesting of agricultural water resources in the province of kerman, has caused an annual average of one-meter drop in ground water levels. surface irrigation methods in pistachio trees have low efficiency because of inherent characteristics and its incorrect application, as well as low access to water resource in pistachio regions. therefore under the current critical condition,...

Journal: :علوم باغبانی 0
علی اسکندری حمیدرضا خزاعی احمد نظامی محمد کافی عباس مجدآبادی

abstract in order to study the effects of irrigation regimes on physiological traits, yield and water use efficiency of potato (solanum tuberosum l.) in mashhad weather condition, an experiment was conducted in 2009 at research field of the college of agriculture, ferdowsi university of mashhad, using factorial experiment based on randomized complete blocks design with 3 replications. experimen...

Journal: :پژوهش آب در کشاورزی 0
شهرام کریمی گوغری استادیار گروه مهندسی آب، دانشکده کشاورزی، دانشگاه شهید باهنر کرمان. رسول اسدی عضو استعدادهای درخشان باشگاه پژوهشگران و نخبگان جوان دانشگاه آزاد اسلامی واحد کرمان. مهدیه ساعی عضو هیئت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان کرمان.

with population growing throughout the world, it is necessary to optimize water use,especially in agricultural lands. in order to conduct technical and economical evaluation ofdrip and furrow irrigation methods under deficit irrigation of cotton, a field experiment wascarried out during 2010 growing season at experimental farm of orzoueyeh agricultural andnatural resources research center in ke...

Today, maintaining the quantity and quality of irrigation water are the most critical challenges in the agriculture system, especially in arid and semi-arid regions of the world. Accordingly, to evaluate the growth and yield responses of bread wheat (Sirvan cultivar) to different levels of deficit irrigation and water salinity, a factorial experiment was conducted in a randomized complete block...

ژورنال: علوم آب و خاک 2013
رسول اسدی, , سید محمود طباطبایی, , فرزاد حسن‌پور, , نادر کوهی, ,

Application of the modern irrigation systems such as T-Tape irrigation system is one of the ways to achieve aptimal irrigation The present study deals with the effect of surface and subsurface drip irrigation systems on the cotton yield For this purpose, a field experiment was conducted in the Agricultural and Natural Resource Research Institute of Orzoueyeh, located in the Kerman province. The...

Journal: :چغندرقند 0
محمدرضا میرزایی مربی پژوهشی مرکز تحقیقات کشاورزی و منابع طبیعی همدان علی قدمی فیروزآبادی مربی پژوهشی مرکز تحقیقات کشاورزی و منابع طبیعی همدان

water is the most important factor for agriculture development in iran. accordingly the optimal consumptione of water is very important. using pressurized irrigation system is one of the methods to improve agricultural water management. the objecttives of this research were to compare two irrigation methods of furrow and trickle irrigation systems impacts on quantity and quality characters of s...

Journal: :پژوهش آب در کشاورزی 0

this study was performed to investigate the effect of different levels of irrigation water applied in tape drip irrigation on yield, seed yield components, oil yield, seed oil percent, and seed water use efficiency (wue) of two canola varieties in behbahan agriculture research station in 2009 and 2010 seasons. the experiment was performed in split plots as a randomized complete block design wit...

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