نتایج جستجو برای: plot arrangement with four replicates three different tillage systems including conventional

تعداد نتایج: 10630518  

Journal: :علوم گیاهان زراعی ایران 0
حمیدرضا چقازردی دانشجوی دکتری رشتة اکولوژی گیاهان زراعی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج محدرضا جهانسوز استاد، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج علی احمدی استاد، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج منوچهر گرجی دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج

to study the effects of different tillage systems on yield and some characteristic of wheat and also some soil properties in wheat dry land area, six experiments were performed in cold, moderate and semi-warm climatic conditions of kermanshah province in west of iran, in a randomized complete block design with five replications. experimental treatments were consisted of no-tillage, reduced till...

Journal: :تحقیقات مهندسی کشاورزی 0
فرزانه مهاجر مازندرانی دانشجوی کارشناسی ارشد محمدامین آسودار استادیار گروه مهندسی ماشین های کشاورزی دانشگاه کشاورزی و منابع طبیعی رامین

tillage and press wheel weight play an important role in seedling emergence, crop establishment and growth. an optimal combination of tillage implements and suitable press wheel weights should increase grain yield. this study investigated the effect of tillage systems and press wheel weights on dry land wheat (triticum aestivum l.) seedling emergence and grain yields in izeh, khuzestan province...

Journal: :پژوهش های زراعی ایران 0
سید کریم موسوی محمد فیضیان عبدالرضا احمدی

in order to evaluate the effect of different nitrogen application methods on yield and yield components of winter wheat, a field experiment with split plot arrangement in randomized completely blocks design with four replicates was conducted during 2006-07. basal dressing in three levels (with no basal dressing, strip and distributing nitrogen fertilizer) as main plot and top dressing in six le...

Journal: :بوم شناسی کشاورزی 0
رضا مرادی طالب بیگی هادی پیرسته انوشه محمد جواد احمدی لاهیجانی یحیی امام

wheat residues management and modification in tillage time are among suggested practices in weed control. to evaluate the effects of wheat residues and tillage time on weed dry matter and leaf area, corn dry matter and corn grain yield, a study was conducted at darab agriculture and natural resource college, shiraz university during growing season of 2008-2009. this experiment was conducted in ...

Journal: :journal of agricultural science and technology 0
l. majchrzak department of agronomy, poznan university of life sciences dojazd 11, 60-632 poznan, poland z. sawinska department of agronomy, poznan university of life sciences dojazd 11, 60-632 poznan, poland m. natywa department of general and environmental microbiology, poznan university of life sciences, szydłowska 50, 60-656 poznań, [email protected] g. skrzypczak department of agronomy, poznan university of life sciences, dojazd 11, 60-632 poznan, poland r. głowicka-wołoszyn 3department of finance and accounting, poznan university of life sciences, wojska polskiego 28, 60-637 poznań, poland

field trials were conducted at the experimental station (brody) belonging to poznan university of life sciences (ne poland). the purpose was to evaluate the impact of different tillage systems and white mustard cover crop on soil enzymatic activity and severity of plant infection by pathogenic fungi in spring wheat. a randomized complete block design was set up with four replicates per treatmen...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زبانهای خارجی 1393

the purpose of this study was to examine the english language needs of medical students at tehran university of medical sciences . analysis of the needs took place for three groups: 320 undergraduate students, 30 postgraduate students and 20 university instructors. a triangulation approach to collect data was used in which a combination of the quantitative (using the questionnaires) and qualita...

2013
Nazmus Salahin Khairul Alam Md. Monirul Islam Laila Naher Nik M. Majid

Improper tillage with no manure may cause a range of undesirable processes (destruction of soil structure, accelerate erosion, depletion of organic matter and fertility). A field experiment was conducted to observe the change in soil properties after incorporation of green manure crops and to find out the residual effect of green manure crops along with tillage on maize and rice yields during 2...

ژورنال: علوم آب و خاک 2015
حمزه‌ئی, جواد, سیدی, محسن,

This experiment was carried out at the Agricultural Research Station of Bu-Ali Sina University to study the effect of different tillage methods on bulk density, yield, and yield components of barley (Hordeum vulgare) cultivars under rainfed conditions. Three levels of tillage (CT: conventional tillage, MT: minimum tillage and NT: no tillage) and five barely cultivars (V1: Local V2: AbidarV3: ...

Journal: :ماشین های کشاورزی 0
جبرائیل تقی نژاد ارژنگ جوادی

this study carried out to evaluate the effect of different tillage systems on rapeseed yield (hayola 401) planted in corn residues. this experiment was done in moghan region with clay soils during 2009-2012. different seedbed preparation methods include mt: moldboard + disk tillage (conventional tillage was included), sct: stem crusher + chisel + disk tandem harrow, stt: stem crusher + double-d...

Journal: :تحقیقات مهندسی کشاورزی 0
محمد خرمیان دانشجوی دوره دکتری دانشگاه شهید چمران اهواز و عضو هیئت علمی بخش تحقیقات فنی و مهندسی، دزفول، مرکز تحقیقات کشاورزی و منابع طبیعی صفی آباد سعید برومند نسب استاد دانشگاه شهید چمران، اهواز، دانشکده مهندسی آب فریبرز عباسی دانشیار پژوهش مؤسسه تحقیقات فنی و مهندسی کشاورزی سیدرضا اشرفی زاده استادیار پژوهش بخش تحقیقات فنی و مهندسی، دزفول، مرکز تحقیقات کشاورزی و منابع طبیعی صفی آباد

irrigation management, soil tillage method and fertilizer management play important roles in increasing crop yield and water and solute movement in the soil profile. the present research was conducted to study the effects of a no-tillage system and nitrogen fertilizer on the mineral nitrogen movement and soil moisture under optimum irrigation conditions. the study was conducted at safiabad agri...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید