نتایج جستجو برای: irrigation disruption at vegetative growth stage

تعداد نتایج: 4541257  

Journal: :تولید گیاهان زراعی 0
امید محسن نیا دانش آموخته کارشناسی ارشد گروه زراعت و اصلاح نباتات، دانشگاه ارومیه جلال جلیلیان استادیار گروه زراعت و اصلاح نباتات، دانشگاه ارومیه

in this study, the effect of irrigation regimes and plant nutrition were evaluated as split plot arrangment based on randomized complete block design with three replications in 2010. treatments consisted of irrigation regimes at three levels: well-irrigation, irrigation disruption at vegetative growth stage, and irrigation disruption at reproductive growth stage as main plots and combination of...

2014
Nahid Niari Khamssi

Anethum graveolens Linn. (Umbelliferae, A. graveolens) is a widely used spice with a long history of traditional medicinal use for the treatment of various ailments. The biosynthesis of secondary metabolites in medicinal and aromatic plants is affected by abiotic stresses such as water deficit. This study was carried out to evaluate seed yield and essential oil of dill under five irrigation dis...

محمدی, سمانه, کاظمینی, سید عبدالرضا, حمیدی, رضا ,

In order to evaluate the effect of water deficit at different growth stages on yield and yield components of two cultivars of safflower, a study was conducted during 2009 and 2010 growing seasons at Research Farm of College of Agriculture, Shiraz University, Shiraz, Iran. The treatments were cultivar at two levels (Sina and Local Isfahan) as the main factor, irrigation regime at four levels (40...

Adel Modhej, Behrang Behdarvandi Maryam Davoodi

In the sub-tropics, water and nitrogen are the most important factors limiting the grain yield of maize. The effect of nitrogen (N) rates and drought stress at different growth stages of maize were investigated. Nitrogen treatments consisted of 100, 150, and 200  kgN.ha-1 from the urea source while water stress treatments were composed of irrigation-off since the early 10-leaf stage to emergenc...

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

supplementary irrigation is a key factor in dryland production of lentil (lens culinaris medik.). in order to study the effects of supplementary irrigation on phenological and morphological characters of three lentil (lens culinaris medik.) cultivars, a trial carried out as split block based on randomized complete block design with three replications at research field of agricultural college, f...

Journal: :فصلنامه علمی اکوفیزیولوژی گیاهان زراعی 0

in order the the effect of biofertilizer and cut irrigation on growth of borage (borago officinalis) an experiment in split plot randomized based on complete block design with three replications in 1393 at the agricultural research station of roudehen islamic azad university done. treatments were first factor drought in four levels (control, stress at vegetative stage, stress at flowering stage...

امام, یحیی , مقصودی, کبری , همتی, رحیمه,

In order to evaluate morpho-physiological responses of hybrid corn KSC750 to water stress at various stages of growth, a field experiment was conducted at the Pasargad region (northwest Fars) in 2010. The experiment carried out as a randomized complete block design, with 3 replications. In this study, corn growth period was divided into three phases: the establishment of plant to tasseling (pha...

In order to evaluate the intensity and stage of drought stress on agronomic characteristics and drought tolerance of common bean (Phaseolus vulgaris L.), a split plot factorial experiment was conducted in a randomized complete block design with three replications at Shahrekord University in 2013 and 2014. Drought stress treatments and levels of irrigation regimes were considered at vegetative g...

2016
Mubshar Hussain Shahid Farooq Khawar Jabran Muhammad Ijaz Abdul Sattar Waseem Hassan

A decrease in water resources around the globe in irrigated agriculture has resulted in a steep decline in irrigation water availability. Therefore, management options for efficient use of available irrigation water are inevitable. Deciding the critical time, frequency and amount of irrigation are compulsory to achieve higher crop outputs. Hence, this two-year field study was conducted to asses...

Journal: :آب و خاک 0
عباس رضایی استخروییه سپهر خوش قدم مجتبی ابراهیمی سیریزی عیلرضا بادیه نشین

water shortage is the most important factors on crop production in the world. several methods of deficit irrigation are solutions for reduction of irrigation water. to understand the effects of conventional deficit irrigation and partial root zone drying treatments on yield, yield components and water use efficiency of sunflower (farrokh cultivar), one study was carried out. the research was co...

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