نتایج جستجو برای: phosphate fertilizer

تعداد نتایج: 122010  

Journal: :به زراعی کشاورزی 0
سیمین فرجی کارشناس ارشد آگرواکولوژی، گروه مهندسی زراعت، دانشکدۀ کشاورزی، دانشگاه شهرکرد، شهرکرد، ایران محمد رفیعی الحسینی استادیار گروه مهندسی زراعت، دانشکدۀ کشاورزی، دانشگاه شهرکرد، شهرکرد، ایران علی عباسی سورکی استادیار گروه مهندسی زراعت، دانشکدۀ کشاورزی، دانشگاه شهرکرد، شهرکرد، ایران

in order to study the effect of solitary and combined application of two types of green manure, cow manure, barvar-2 phosphate fertilizer and conventional chemical fertilizer on some of the qualitative and quantitativeproperties of sugar beet, an experiment was conducted at the research farm of shahrekord university in 2013. the experimental design was randomized in a complete block design with...

Journal: :علوم گیاهان زراعی ایران 0
محمدعلی ابوطالبیان استادیار، دانشکدة کشاورزی دانشگاه بوعلی سینا محمد اللهی دانشجوی کارشناسی ارشد دانشکدة کشاورزی دانشگاه بوعلی سینا

in order to study the effect of on-farm seed priming and two bio-fertilizers on emergence and yield characteristics of chickpea, a factorial experiment was conducted in a randomized complete block design in hamedan with three replications in 2013. the factors consisted of phosphate fertilizer (0, 50 and 100 percent of recommended) bio-fertilizer (mycorrhizae, barvar2, both of them and no-applic...

بوداغی , هاجر , دهقانی, محمدهادی, محمدی, محمودعلی , محوی, امیرحسین , نظم‌آرا, شاهرخ , یونسیان, مسعود ,

Background and purpose: Fertilizer is one of the sources of heavy metal contamination in soil and underground water. The purpose of this study was to investigate the concentration of cadmium, lead and arsenic in paddy soil and underground water and its relationship with chemical fertilizer in Ghaemshahr City. Materials and methods: During the spring and summer in 2010, samples of soil were ran...

2017
Nikolay Khabarov Michael Obersteiner

The commodity market super-cycle and food price crisis have been associated with rampant food insecurity and the Arab spring. A multitude of factors were identified as culprits for excessive volatility on the commodity markets. However, as it regards fertilizers, a clear attribution of market drivers explaining the emergence of extreme price events is still missing. In this paper, we provide a ...

Journal: :بوم شناسی کشاورزی 0
پریسا ناظری علی کاشانی کاظم خاوازی محمدرضا اردکانی مجتبی میرآخوری محمدمهدی پورسیاه بیدی

in order to evaluate the effect of using zinc granulated phosphorous biofertilizer on yield and yield components of white bean (phaseolus vulgaris l.), a field experiment based on a randomized complete block design with three replications was performed. experimental treatment were included of using phosphate and triple super phosphorous chemical fertilizer at five levels (without using of chemi...

Journal: :international journal of environmental research 0

qualitative and quantitative analyses of phyto- and zooplankton, and growth performance of cyprinus carpio linnaeus were done in earthen vats receiving compost, diammonium phosphate and vermicompost as direct application fertilizer were conducted. significant differences were observed in the diversity and abundance of plankton in response to fertilization. the highest production of fish was obt...

Journal: :Journal of environmental radioactivity 2006
C H R Saueia B P Mazzilli

The Brazilian phosphate fertilizer is obtained by wet reaction of igneous phosphate rock with concentrated sulphuric acid, giving as final product, phosphoric acid and dehydrated calcium sulphate (phosphogypsum) as by-products. Phosphoric acid is the starting material for triple superphosphate (TSP), single superphosphate (SSP), monoammonium phosphate (MAP) and diammonium phosphate (DAP). The p...

Journal: :پژوهش های کاربردی زراعی (زراعت سابق) 0
سید محمدرضا احتشامی استادیار دانشکده کشاورزی دانشگاه گیلان فاطمه حکیمیان دانشجوی کارشناسی ارشد زراعت دانشگاه آزاد ساوه مجتبی یوسفی راد عضو هیأت علمی دانشگاه آزاد ساوه محمدرضا چائی چی عضو هیأت علمی پردیس کشاورزی و منابع طبیعی دانشگاه تهران

in order to investigate the integration of phosphorus fertilizer different levels and phosphorus solubilizing bacteria p.fluorescens on quantitative and qualitative forage yield of two fall barley cultivars, an experiment carried out at research farm of college of agriculture of university of tehran during 2009-2010. the experiment design consisted of three randomized complete blocks in a facto...

احمدوند, گودرز , حمزه‌ئی, جواد , سلطانی, جلال , صادقی می‌آبادی, فرشید, نجاری, سعید ,

This research was carried out to investigate the response of agronomic traits, yield and yield components of pumpkin (Cucurbita pepo L.) to phosphate solubilizer biofertilizer at different levels of phosphorus (P) fertilizer. The experiment was factorial, based on randomized complete blocks design with three replications. Treatments included two levels of phosphate solubilizer biofertilizer (in...

Journal: :مدیریت خاک و تولید پایدار 0
سبحه نیک مهر دانشجوی کارشناسی ارشد دانشگاه ولی عصر رفسنجان عبدالرضا اخگر هیات علمی دانشگاه ولی عصر رفسنجان شهاب مداح حسینی هیات علمی دانشگاه ولی عصر رفسنجان وحید مظفری هیات علمی دانشگاه ولی عصر رفسنجان

phosphate solubilizing bacteria are a group of plant growth promoting rhizobacteria (pgpr) that increase growth and yield of plant by enhancing insoluble phosphates. in this study, a greenhouse experiment was carried out to investigate the effect of phosphate solubilizing bacteria and phosphorous fertilizer on the yield and chemical components of sesame. this experiment was conducted in factori...

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