نتایج جستجو برای: weedy and weed free checks arranged in split plot design with four replications main plots

تعداد نتایج: 22705942  

Journal: :بوم شناسی کشاورزی 0
سارا صفی خانی محمدرضا چائی چی احمدعلی پوربابائی

in order to study the effect of different n fertilizer on berseem forage in an intercropping with basil, this experiment was conducted in research farm of college of agriculture, university of tehran during growing season 2011. experimental treatments were arranged as split plots based on a randomized complete block design with three replications. different fertilizers consisted of control (no ...

Journal: :به زراعی کشاورزی 0
اسماعیل قربانپور کارشناس ارشد، گروه زراعت، دانشکدۀ تولیدات گیاهی، دانشگاه علوم کشاورزی و منابع طبیعی گرگان فرشید قادری فر استادیار، گروه زراعت، دانشکدۀ تولیدات گیاهی، دانشگاه علوم کشاورزی و منابع طبیعی گرگان جاوید قرخلو استادیار، گروه زراعت، دانشکدۀ تولیدات گیاهی، دانشگاه علوم کشاورزی و منابع طبیعی گرگان

to evaluate the competition effect of velvetleaf on cotton, an experiment was conducted in a completelyrandomized block design with split plot arrangement of treatments with three replications at experimentalstation of gorgan university of agricultural sciences and natural resources during 2011 growingseason. the treatments were three row spacing (20, 40 and 80cm) of cotton (as main plot) and f...

Journal: :علوم گیاهان زراعی ایران 0
سارا صفی خانی دانشجوی کارشناسی ارشد زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج محمد رضا چایی چی دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج احمدعلی پور بابایی دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج

to study the effects of different n fertilizer on berseem clover forage quality in an intercropping with basil, this experiment was conducted in research farm of college of agriculture, university of tehran in 2011. experimental treatments were arranged as split plots based on a randomized complete block design with three replications. different n fertilizers consisted of control (no n fertiliz...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1375

the thesis has been arranged into five chapters and mainly concerned with the baer-invariant of groups which is the generalization of the schur-multiplier with respect to the variety of groups. chapter one is devoted to collect some notation and background information which are needed in the next chapters. its also contains some important statements which will be generalized in this thesis. cha...

Journal: :علوم گیاهان زراعی ایران 0
مجید امینی دهقی خسرو عزیزی

to study the effect of planting dates and genistein application on nitrogen content and nodulation of three annual medic species (medicago polymorpha cv. santiago m. rigidula cv. ragidula, and m. radiata cv. radiata), an experiment was conducted during 2005-2006 in the research farm of faculty of agriculture, shahed university, tehran. the treatments were arranged as split split plot in a rando...

H. Ghadiri J. Javanmardi R. Zangoueinejad S. A. Kazemeini

ABSTRACT- To compare the effects of six types of non-living mulches (wheat straw, sawdust, coco peat, peat moss, transparent and black plastic) with metribuzin on yield and yield components of tomato cv "CH" and the weed control efficiency, a study was conducted in a randomized complete block design with three replications at School of Agriculture, Shiraz University in 2012. Plots without mulch...

The management of soil elements by biological fertilizers is considered as an important attribute of sustainable agriculture. In order to evaluate the interaction effects of Arbuscular mycorrhizal fungi and redroot pigweed (Amaranthus retroflexus L.) on growth and yield of sunflower (Helianthus annuus L.) under water stress conditions, a field study was conducted in 2015 at School of Agricultur...

Journal: :بوم شناسی کشاورزی 0
محبوبه سردار محمد علی بهدانی سید وحید اسلامی سهراب محمودی

to evaluate the effect of combined use of different soil tillage methods and weed control on cotton yield, a split plot experiment based on randomized complete block design was conducted at the city of boshruyeh in 2012. experiment factors were tillage method as main-plots with three levels, including conventional tillage, no-till system and minimum tillage; and different methods of weed contro...

In order to evaluate the tuber fresh weight and some physiological attributes of Agria potato cultivar in response to water deficit stress and mycorrhiza inoculation, a field trial was conducted as a split plot scheme based on randomized complete block design with three replications at the research site of Islamic Azad University, Tabriz Branch in 2012. Four water levels including: irrigation a...

Journal: :حفاظت گیاهان 0
محبوبه سردار محمدعلی بهدانی سید وحید اسلامی سهراب محمودی

to evaluate the effect of combined use of weeds control an different mechanical methods on weeds number and dry weight in cotton , a split plot experiment based on randomized complete block design was conducted at the region of boshruyeh in 2012. experimentals factors were tillage methods as main-plots with three levels, including conventional tillage, no-till system and minimum tillage; and di...

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