نتایج جستجو برای: limited potential yield in zanjan province was assessed as 727 kg ha

تعداد نتایج: 17769264  

ژورنال: علوم آب و خاک 2018

With the increase of population, the optimal use of water resources is necessary. This study was carried out to evaluate the impact of different levels of irrigation on the yield, yield components and water productivity of corn using single and double row drip irrigation systems (Tubes type). . The experiment was conducted in a split plot design based on the randomized complete block design (RC...

Journal: :پژوهش های تولید گیاهی 0
رضا دیهیم فرد استادیار گروه کشاورزی اکولوژیک پژوهشکده علوم محیطی دانشگاه شهید بهشتی، تهران سجاد رحیمی مقدم دانشگاه شهید بهشتی

background and objectives: sugar beet (beta vulgaris l.) is the major crop in khorasan province which is mainly grown in spring. however, autumn sowing has a lot of advantages including lower crop water requirement and higher water use efficiency. accordingly, this research was performed to compare the yield of storage organ in spring and autumn-sown sugar beet and determine the most appropriat...

H. R. Khazaei H. Sodaeeizadeh M. Bannayan Aval R. Yazdani Biouki,

In order to investigate the effect of urea, Azocompost and cutting on growth characteristics of Oregano, a factorial split-plot experiment was conducted based on randomized complete block design with three replications at Yazd and Mashhad, Iran, during 2012-2013 growing season. Four urea levels and four Azocompost levels (to provide 0, 40, 80 and 120 kg N.ha-1 each) for Yazd location )0, 43.5, ...

Journal: :پژوهش های حبوبات ایران 0
مسعود کامل شیخ رجه سیدحسین ناظر کاخکی سیده سودابه شبیری

this study was carried out to purify chitti bean cultivars. in the first year, 11 populations were collected from main chitti bean cultivating areas. based on some criteria such as higher yield, earlier maturity, more pods and tolerance to pests and diseases, single plants were selected. in the second year, seeds of each selected single plant as well as controls (talash and cos16) were managed ...

Journal: :تحقیقات آب و خاک ایران 0
محمد محمدیان عضو هیات علمی موسسه تحقیقات برنج کشور صاحب سودایی مشایی محقق، موسسه تحقیقات برنج کشور ولی محمد فلاح عضو هیات علمی، دانشگاه آزاد اسلامی واحد آیت اله آملی

field experiments were conducted at the rice research institute (mazandaran province) using randomized complete block designs in two fields of different levels of organic carbon (low and medium) during two cropping years. the treatments were repeated in three replicates and while seven nitrogen levels (urea-n input) 0, 23, 46, 69, 92, 115 and 138 kg n per ha employed. results indicated that opt...

In order to evaluate the effect of biofertilizers (nitroxin and phosphate barvar2), vermicompost and chemical fertilizers on the quantity and quality traits of sugar beet (Beta vulgaris L.), an experiment was conducted in randomized complete block design (RCBD) with 13 treatments and three replications at Agricultural and Natural Resources Research Station of Miandoab, Iran in 2015. The treatme...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1391

simplification universal as a universal feature of translation means translated texts tend to use simpler language than original texts in the same language and it can be critically investigated through common concepts: type/token ratio, lexical density, and mean sentence length. although steps have been taken to test this hypothesis in various text types in different linguistic communities, in ...

حبیبی , صغری, مجیدیان, مجید,

In order to investigate the effect of source and rate of nitrogen fertilizer on yield and quality of sweet corn, a field study was conducted in 2011 cropping season in Agriculture Experiment Station of College of Agriculture, University of Guilan. A randomized complete block design with three replications was used. Treatment consisted of four levels of nitrogen fertilizer (0, 46, 92 and 138 kg ...

Journal: :تولید گیاهان زراعی 0

canola has industrial applications as well as edible usage. in regard to 15.8 kg oil per capita usage and vast oil importing, cultivation development of oil seeds is a major issue. this study was performed to determine the best sowing date and cultivars for canola as means of seed yield and oil percent improvement in dehloran region of elam province. 25 treatments were used in a split plot expe...

Journal: :پژوهش های تولید گیاهی 0
سمیّه شعبانی دانشجوی ارشد زراعت، دانشگاه یاسوج، دانشکده کشاورزی، گروه زراعت و اصلاح نباتات محسن موحدی دهنوی هیات علمی دانشگاه یاسوج علیرضا یدوی هیأت علمی دانشگاه یاسوج منوچهر دستفال عضو هئیت علمی مرکز تحقیقات کشاورزی و منابع طبیعی فارس (داراب)

background and objectives: soybean is one of the plants that need large amounts of nitrogen for grain yield production. todays bio-fertilizers are considered as a best replacement for chemical nitrogen to increase soil fertility and sustained agricultural production. meanwhile, the use of soybean symbiotic bacteria and nitroxin, which contain the most effective nitrogen-fixing bacteria of the g...

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