نتایج جستجو برای: use efficiency

تعداد نتایج: 2058150  

Journal: :Japanese Journal of Crop Science 2011

Journal: :Agronomy 2022

Sunflower is an oleaginous plant of great importance worldwide that stands out in the production edible oil and human food. The identification differences between cultivars regarding use phosphorus achenes at different levels phosphate fertilization a viable strategy to allow its cultivation soils with concentrations phosphorus, without compromising yield reducing environmental damage associate...

Journal: :Acta Agraria Debreceniensis 2016

Journal: :علوم گیاهان زراعی ایران 0
پری طوسی کهل دانشجوی سابق کارشناسی ارشد دانشکده کشاورزی دانشگاه گیلان مسعود اصفهانی دانشیار دانشکده کشاورزی دانشگاه گیلان محمد ربیعی پژوهشگر مؤسسه تحقیقات برنج کشور بابک ربیعی دانشیار دانشکده کشاورزی دانشگاه گیلان

the effect of concentration and time of supplementary nitrogen fertilizer spray application on grain yield and nitrogen use efficiency in rapeseed (hyola401) as a second crop in paddy fields were evaluated in a field experiment conducted in randomized complete block design with 3 replications at rice research institute of iran (rasht) in 2008. in this experiment two factors, concentration of so...

Journal: :journal of agricultural science and technology 2013
a. dadkhah

a factorial pot experiment based on randomized complete blocks design with fourreplications was carried out in order to evaluate salt tolerance of four sugar beet cultivarsincluding madison (british origin) and three iranian cultivars (7233-p12, 7233-p21 and7233-p29) using carbon isotope discrimination (δ). plants were grown in sand culturemedium in greenhouse conditions. sugar beet cultivars w...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
نسرین اوحدی کارشناس ارشد اقتصاد کشاورزی احمد اکبری استاد اقتصاد کشاورزی، دانشگاه سیستان و بلوچستان جواد شهرکی استادیار اقتصاد، دانشگاه سیستان و بلوچستان

iran isone of the main pistachiogrowersinthe world. kerman province is the largest grower of pistachio and sirjan is one of the most important pistachio production areas of kerman province. it is important to the study of efficiency status of pistachio growers and improvetheir efficiency and optimum use of resources in the production. the purpose of this study was to determinationtechnical effi...

Journal: :international journal of advanced biological and biomedical research 2014
mehdi panahyian kivi saeid hokmalipour maryam hamele darbandi

in order to study of the effect of seed inoculation with pgpr on nitrogen and phosphorus use efficiency of spring wheat in different levels of nitrogen and phosphorus fertilizers, an experimental was conducted at the research farm of mohageh ardabili university, ardabil, iran during 2012 year. the combination of nitrogen fertilizer in three levels (0, 40 and 80 kg n/ha as urea) and phosphorus f...

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