نتایج جستجو برای: involving four treatments biological

تعداد نتایج: 1378993  

The objective of this paper was to study the responses on productive performance, carcass characteristics and plasma constituents of modern broiler chicks to administration of cinnamon powder (CP) in the diet. Commercial breeds (Ross 308) of broiler chicks examined from 1 to 42 days of age. This experiment was conducted as a completely randomized design with 5 treatments and four replicates (15...

Journal: :بوم شناسی کشاورزی 0
لژیا زندیه محمد رضا چائی چی سید محمد رضا احتشامی

abstract to evaluate the effect of different sources of p fertilizer on grain yield and yield components of two barely varieties, this experiment was conducted in research farm, college of agriculture, university of tehran in 2010. the experimental treatments were arranged as factorial based on randomized complete block design with three replications. the treatments consisted of two barely vari...

Journal: :پژوهش های تولید گیاهی 0
مریم صارمی کارشناس ارشد پردیس کشاورزی و منابع طبیعی دانشگاه رازی کرمانشاه بهمن فرهادی استادیار گروه مهندسی آب، پردیس کشاورزی و منابع طبیعی دانشگاه رازی کرمانشاه عباس ملکی استادیار گروه مهندسی آب، دانشکده کشاورزی دانشگاه لرستان معصومه فراستی استادیار گروه مهندسی آب، پردیس کشاورزی و منابع طبیعی دانشگاه رازی کرمانشاه

background and objectives: although more than 90 percent of consumed water used in agricultural sector, water is the major limiting factor for agricultural development in iran. over the past few years increasing agricultural crop water productivity thorough deficit irrigation methods has been studied by agricultural researchers and planners. although lorestan province is one of the major produc...

Journal: :Revista de ciencias agricolas 2021

The soil is influenced by the roots of plants because exudate radicals affect its physical, chemical, and biological processes. aim this research was to evaluate microbial activity soils cultivated with yacón (Smallanthus sonchifolius Poep. & Endl) H. Robinson inoculated microorganisms which promote plant growth. experimental design used randomized blocks three repetitions per treatment. Ea...

ژورنال: علوم آب و خاک 2014
اسمعیلی دستجردی پور, عاطفه, سرچشمه پور, مهدی, فرپور, محمد هادی,

Organic substances produced by cyanobacteria and some polymeric compounds play a role in soil aggregation and increase soil structure stability in sandy soils. Effects of biological soil crusts and some polymeric compounds on some properties of a sandy soil were investigated in this research. Inoculation of three cyanobacterial treatments (Nostoc sp., Phormidium sp. and their combination) and f...

Journal: :مدیریت خاک و تولید پایدار 0
علی انصوری فارغ التحصیل حسن شهقلی فارغ التحصیل حسن مکاریان عضو هیات علمی علیرضا فلاح نصرت آباد عضو هیات علمی

the plant promoting bacteria as biological fertilizers play an important role in increasing productivity and improving plant growth in stress condition. in order to evaluate the ability of plant promoting bacteria rhizobacteria on germination and growth of corn under salinity conditions, a pot experiment was conducted in factorial based on randomized complete block design with three replication...

Journal: :پژوهش های زراعی ایران 0
پرویز رضوانی مقدم ابوذر صبوری علی اصغر محمدآبادی روح اله مرادی

in order to evaluate the effects of different organic and chemical fertilizers on yield, yield components and seed oil content of sesame an experiment was conducted in a split plot layout based on randomized complete block design with four replications at research station, faculty of agriculture, ferdowsi university of mashhad in year 2006. four types of fertilizer, including chemical fertilize...

Journal: :بوم شناسی کشاورزی 0
علیرضا کوچکی فرنوش فلاح پور سرور خرم دل لیلا جعفری

in order to evaluate the effects of yield and yield components and weed diversity and density in row intercropping for wheat and canola, a field experiment was conducted based on a complete randomized block design with three replications at the agricultural research station of ferdowsi university of mashhad, iran during two growing seasons of 2008-2009 and 2009-2010. treatments included four pa...

Journal: :iranian journal of applied animal science 2014
k. shirzadegan

the objective of this paper was to study the responses on productive performance, carcass characteristics and plasma constituents of modern broiler chicks to administration of cinnamon powder (cp) in the diet. commercial breeds (ross 308) of broiler chicks examined from 1 to 42 days of age. this experiment was conducted as a completely randomized design with 5 treatments and four replicates (15...

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