نتایج جستجو برای: plant density

تعداد نتایج: 790984  

Journal: :تولید گیاهان زراعی 0
فاطمه ملک ملکی کارشناسی ارشد گروه زراعت، دانشگاه تهران ناصر مجنون حسینی دانشیار دانشکده علوم و مهندسی کشاورزی، دانشگاه تهران حسن علیزاده دانشیار دانشکده علوم و مهندسی کشاورزی، دانشگاه تهران

in this study, the effects of weed control treatments and plant density on lentil (lens culinaris) yield and yield components as well as weed control efficacy were investigated. the study was conducted according to a split-plot arrangement based on randomized completely block design in three replicates in karaj in 2007-2008. the weed control chemical treatments in four levels (trifluralin herbi...

ژورنال: علوم آب و خاک 2006
امیر قلاوند, , افراسیاب علا, , مجید آقا علیخانی, ,

In order to evaluate the effects of plant densities (10, 13, 20 and 40 plant/m2 ) on the yield and yield components of two cultivars (Partow, Gohar) and a line (VC-1973A) of mungbean [Vigna radiata (L.) Wilczek] a field experiment was conducted at the Seed and Plant Improvement Institute (SPII) of Karaj in Summer 1998. This research carried out in a factorial experiment based on Randomized Comp...

Journal: :بوم شناسی کشاورزی 0
پرویز رضوانی مقدم علی اصغر محمد آبادی روح الله مرادی

in order to understand the effect of plant density and different fertilizers on sesame (sesamum indicum l.) production, an experiment was conducted as a factorial arrangement based on completely randomized block design with three replications. the experimental treatments were fertilizers in four levels (cow manure (30 t.ha-1), municipal compost (30 t.ha-1), chemical fertilizer (250 kg ammonium ...

Journal: :علوم گیاهان زراعی ایران 0
علی نخ زری مقدم استادیار گروه تولیدات گیاهی، دانشگاه گنبد کاووس

detopping in some plants reduces vegetative growth and increases transporting of photosynthate materials to specific sinks such as seeds. to study the effects of detopping removal and plant density on yield and yield components of faba bean (vicia faba l.), an experiment was carried out as a factorial arrangement based on a randomized complete block design with three replications at farm resear...

Journal: :بوم شناسی کشاورزی 0
آتنا رحمانی سید مجید نصراله الحسینی سعید خاوری خراسانی

in order to evaluate the effect of sowing date and plant density on the morphological triats, yield and yield components of sweet corn (zea mays l. var sc. 403) an experiment was conducted at the khorasan razavi agricultural research and natural resources center, mashhad, iran during 2008. this experiment was carried out as split plot based on rcbd with four replications. the sowing date (14th ...

Journal: :پژوهش های زراعی ایران 0
فرهاد عزیزی علی ماهرخ

in order to determine the appropriate plant density in different planting dates for sweet corn cultivar ksc403su, an experiment was conducted using a randomized complete block design in split plot lay out with three replications at seed and plant improvement institute in karaj in 2006. three planting dates (22 may, 5 june and 22 june) were assigned as main plots and three plant densities (65000...

Journal: :تولید گیاهان زراعی 0

according to the contradictory reports of researchers, tillers may have positive or negative effect on wheat yield. thus, this study was conducted to investigate the role of tillers on wheat yield under two row spacing of 12.5 and 25 cm and four plant densities of 125, 250, 375 and 500 plants per m2, at gorgan university of agricultural sciences and natural resources farm in anbare-ololum reign...

Journal: :علوم گیاهان زراعی ایران 0
حسین راسخ جعفر اصغری سیده لیلی معصومی محمد نقی صفرزاده ویشکایی عادل دباغ محمدی نسب

an experiment was conducted in bandar kyashahr research field in 2002 to evaluate the effects of plant density and planting pattern on weed populations and yield of peanut (arachis hypogaea l.). the experiment was of a randomized complete block design with three replications. a factorial trial with two factors of planting pattern (square and rectangular arrangements) and plant density (3, 5.3, ...

امیر قلاوند, , افراسیاب علا, , مجید آقا علیخانی, ,

In order to evaluate the effects of plant densities (10, 13, 20 and 40 plant/m2 ) on the yield and yield components of two cultivars (Partow, Gohar) and a line (VC-1973A) of mungbean [Vigna radiata (L.) Wilczek] a field experiment was conducted at the Seed and Plant Improvement Institute (SPII) of Karaj in Summer 1998. This research carried out in a factorial experiment based on Randomized Comp...

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