نتایج جستجو برای: i4 twice irrigation flowering and boll stage and i5 three time irrigation flowering stage

تعداد نتایج: 17133372  

In order to study the effect of irrigation withholding and biofertilizers application on quantitative and qualitative yield and grain filling duration of sunflower (Helianthus annus L.), a factorial experiment was conducted based on randomized complete block design with three replications in research field of Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Iran i...

Journal: :به زراعی کشاورزی 0
مختار قبادی استادیار، گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی، دانشگاه رازی، کرمانشاه، ایران حسین صلاحی دانشجوی کارشناسی ارشد، گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی، دانشگاه رازی، کرمانشاه، ایران محمداقبال قبادی استادیار، گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی، دانشگاه رازی، کرمانشاه، ایران سیروس منصوری فر استادیار، گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی، دانشگاه رازی، کرمانشاه، ایران

in order to study the responses of grain yield of chickpea to drought stress and application methods of nitrogen fertilizer, an experiment carried out as split-plot at campus of agriculture and natural resources, razi university, kermanshah, iran, during 2009-10 and 2010-11. the supplementary irrigation at three levels (1. without irrigation, 2. one irrigation at flowering, 3. two irrigations a...

Journal: :پژوهش های حبوبات ایران 0
کمال حاج محمدنیا قالی باف فریده سادات حسینی احمد نظامی مهدی پارسا

introduction lentil with about 28 percent protein occupies the second after soybean. it is one of the major crops in developing countries as a complement to cereals and is an excellent source of protein and amino acids in the diet. results of studies shown that for most crops, including lentil, the occurrence of drought stress in some phenology stages cause irreparable damages to yield. therefo...

Journal: :مدیریت آب و آبیاری 0
هوشنگ قمرنیا استاد گروه مهندسی آب، پردیس کشاورزی و منابع طبیعی، دانشگاه رازی کرمانشاه، کرمانشاه، ایران آزاده خلدی رضائی کارشناس ارشد آبیاری و زهکشی، گروه مهندسی آب، پردیس کشاورزی و منابع طبیعی، دانشگاه رازی کرمانشاه، کرمانشاه، ایران مختار قبادی دانشیار گروه زراعت، پردیس کشاورزی و منابع طبیعی، دانشگاه رازی کرمانشاه، کرمانشاه، ایران

in this study, the effect of four levels of supplemental irrigation on water use efficiency and yield of three lentil cultivars (kimia, ill6037 and qazvin) in two years 2013 and 2014 was conducted. experiments were performed in water engineering group research station of agriculture and natural resources campus of kermanshah razi university using by available pots as two factorial agented and w...

Journal: :فصلنامه علمی اکوفیزیولوژی گیاهان زراعی 0

an experiment was conducted in order to evaluate the effects of humic acid spraying on  grain yield and yield components of wheat, in agricultural research and natural resources center of tehran province, in 2010-11. a split-plot layout within randomized complete block design with three replications were used. main plots were three irrigation treatments contains of normal irrigation, non-irriga...

ژورنال: علوم آب و خاک 2012
ابراهیم ادهمی, , حمیدرضا اولیایی, , محمدجواد فریدونی, , هوشنگ فرجی, ,

Effect of urban sewage and nitrogen on soil chemical characteristics in sweet corn was evaluated in Yasouj region at 2009. Five irrigation treatments were managed common water during entire period of growing season as control (I1) urban sewage during the first half of growing season (I2) urban sewage during the second half of growing season (I3) alternate urban sewage and common water (I4) and...

Journal: :journal of agricultural science and technology 2011
s. maleki-farahani m. r. chaichi d. mazaheri r. tavakkol afshari gh. savaghebi

the effect of different fertilizing systems and drought stress during grain development on grain minerals of barley (hordeum vulgare l.) was studied in field experiments on a clay-loamy soil during 2007 and 2008 growing seasons. the treatments consisted of three irrigation regimes (main plots) of: non-stressed (ns, normal irrigation continued until the end of plant physiological maturity), ...

Journal: :علوم گیاهان زراعی ایران 0
امید یونسی فرزاد شریف زاده علی احمدی

although water deficiency has been seriously taken up as a subject in reducing crop production in arid and semi–arid areas, nevertheless little information has been published regarding its effects on seed quality. to evaluate the effects of irrigation regimes (full irrigation (control), irrigation until flowering stage, irrigation until doughing stage and irrigation until eight-leaf stage) on g...

امام, یحیی , تدین, محمودرضا,

  Photosynthesis and wheat grain yield responses to supplemental irrigation with different amount of applied water under dryland conditions were investigated. Therefore, a two-year field experiment was conducted research farm of College of Agriculture, Shiraz University during 2004-2005. Five levels of irrigation including dryland conditions, irrigation at stem elongation, booting, flowering an...

To study the effect of seed priming on seedling emergence characteristics of lentil and evaluate its interaction with drought stress at flowering stage, an experiment was carried out as split plot in a randomized complete block design with three replications at research station of Bu-Ali Sina University, Hamedan, Iran. The main factor consisted drought stress with two levels (conventional irrig...

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