نتایج جستجو برای: branch dry weight

تعداد نتایج: 501964  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زیست شناسی 1388

abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...

Journal: :چغندرقند 0
سلیم فرزانه کارشناس ارشد ایستگاه تحقیقات کشاورزی و منابع طبیعی اردبیل سعید صادق‏ زاده حمایتی استادیار موسسه تحقیقات اصلاح و تهیه بذرچغندرقند داریوش فتح‏ اله طالقانی دانشیار موسسه تحقیقات اصلاح و تهیه بذرچغندرقند محمدعلی چگینی استادیار موسسه تحقیقات اصلاح و تهیه بذرچغندرقند فرشید قادری‏ فر استادیار دانشگاه علوم کشاورزی و منابع طبیعی گرگان شهرام عزیزی دانشگاه آزاد اسلامی، واحد تبریز، باشگاه پژوهشگران جوان و نخبگان، ، ایران

in order to study the effects of micronutrients application on some morphological traits associated with seed quantity and quality of sugar beet cultivar shirin, an experiment was conducted in 2001-02 at ardabil agricultural research station. based on soil test results, soil ph was 7.62-7.80 with 0.49- 0.53% organic matter content, and the quantity of absorbable p, total n, and k amounts were f...

ضیایی, علی, مقدم, محمد , کاشفی, بهاره ,

In order to study the effects of superabsorbent polymers and drought stress on some morphological characteristics of Rosmarinus officinalis, a pot experiment was conducted as factorial, based on completely randomized design with four replications, in which factors included four levels of drought stress (irrigation up to 100, 75, 50 and 25 percent of field capacity (FC) level, respectively) and ...

Journal: :علوم باغبانی ایران 0
آتنا یزدانی دماوندی دانشجوی ارشد گیلان معظم حسن پور اصیل دانشیار دانشگاه گیلان بابک ربیعی دانشیار دانشگاه گیلان

to evaluate the effect of time and level of nitrogen application on quantity and quality of two carrot varieties, an experiment was carried out in the framework of a 4×3×2 factorial and based upon a randomized complete block design of three replications. the levels of 25, 50, 75 and 100 kg / ha of nitrogen fertilizer were investigated within 3 applied times, namely: simultaneous with bed prepar...

Journal: :زیست شناسی خاک 0
مرجان اثباتی کارشناس ارشد بیوتکنولوژی کشاورزی دانشگاه آزاداسلامی واحد علوم وتحقیقات عباس اخوان سپهی دانشیار دانشگاه آزاد اسلامی واحد تهران شمال احمد اصغر زاده استادیار موسسه تحقیقات خاک و آب کشور محمود خسرو شاهلی استاد دانشگاه آزاد اسلامی واحد علوم و تحقیقات

azospirillum is a well-studied genus of plant growth-promoting bacteria. phytohormone production by pgpr is considered as one of the effective factor to increase the tomato yield significantly. in order to study the effect of azospirillum inoculant on on growth characteristics and yields of tomato, three strain of azospirillum were isolated, identified, and purified from tehran suburb soils. to...

Journal: :فصلنامه علمی اکوفیزیولوژی گیاهان زراعی 0
مهران محمودی استادیار گروه زراعت دانشگاه آزاد اسلامی واحد آیت الله آملی،آمل،ایران یوسف نیک نژاد استادیار گروه زراعت دانشگاه آزاد اسلامی واحد آیت الله آملی،آمل،ایران هرمز فلاح استادیار گروه زراعت دانشگاه آزاد اسلامی واحد آیت الله آملی،آمل،ایران محمد حسین انصاری استادیار گروه زراعت دانشگاه آزاد اسلامی واحد رشت، رشت،ایران

a field experiment was conducted under controlled conditions in completely randomized factorial design with three soil application doses of zn sulphate and drought stress with three replications in chalus, mazandaran province, iran on 1th march, 2015. the treatments were included three amounts of zinc sulphate (0, 30 and 60 kg.ha-1) and three amounts of stress (90, 70 and 50% of field capacity)...

Beemnet Mengesha Kassahun Zewdinesh Damtew Zigene

The investigation was conducted on wet and dry seasons of Ethiopia during the year 2012/2013 at Wondo Genet Agricultural Research Center Nursery site. Four levels of cutting size and three levels of cutting positions were arranged in randomized complete block design with three replications. Data on seedling height, branch number/seedling, root number/seedling, root weigh/seedling, root length/s...

Pyrethrum is a perennial daisy grown commercially for the insecticide that is extracted from its flowers. In order to evaluate germination and seedling growth of pyrethrum under different temperature and drought stress treatments, an experiment was conducted in seed technology laboratory of Faculty of Agriculture of Islamic Azad University of Isfahan branch in 2018. During this experiment, poly...

Beemnet Mengesha Kassahun Zewdinesh Damtew Zigene

The investigation was conducted on wet and dry seasons of Ethiopia during the year 2012/2013 at Wondo Genet Agricultural Research Center Nursery site. Four levels of cutting size and three levels of cutting positions were arranged in randomized complete block design with three replications. Data on seedling height, branch number/seedling, root number/seedling, root weigh/seedling, root length/s...

Pyrethrum is a perennial daisy grown commercially for the insecticide that is extracted from its flowers. In order to evaluate germination and seedling growth of pyrethrum under different temperature and drought stress treatments, an experiment was conducted in seed technology laboratory of Faculty of Agriculture of Islamic Azad University of Isfahan branch in 2018. During this experiment, poly...

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