نتایج جستجو برای: weed number and weed fresh weight were significantly influenced by cultivator treatments

تعداد نتایج: 17862911  

اصفهانی, مسعود, دانشور راد, زهرا, ربیعی, محمد, سمیع زاده, حبیب اله, پیمان, میرحسن ,

The effects of tillage methods and residual management on yield and yield components of rapeseed (Brassica napus L. CV. Hyola308) were evaluated after rice harvest. The experiment was carried out during 2004-2005 cropping season in a factorical arrangement of treatments at Rice Research Institute of Iran (RRII) in Rasht, in a Complete Randomized Block Design with three replications. Treatments ...

Journal: :پژوهش های حبوبات ایران 0
نورعلی ساجدی سجاد حیدری محمد جواد مدنی

introduction bean is one of the most important legumes worldwide for direct human consumption and is a rich source of protein and carbohydrates. bean is weak to compete with weed because of the retard growth at the early stages. therefore, weed control at this time plays an important role to gain high priduction. yield crop depends on weed number, and size after germination. weed control depend...

Journal: :به زراعی کشاورزی 0
صدیقه لطیفی کارشناس ارشد، گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه زنجان، زنجان، ایران علیرضا یوسفی استادیار، گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه زنجان، زنجان، ایران خلیل جمشیدی دانشیار، گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه زنجان، زنجان، ایران

in order to evaluate the effects of crop cultivars and living mulchon sunflower yield and weed control, a field experiment was carried out as factorial arrangement based on a randomized complete block design with three replications in 2013. treatements were sunflower cultivars (‘azargol’, ‘allstar’, ‘farokh’) and weed control treatments (weed-free, weed-infestation and intercropping of fagopyru...

Journal: :Indian Journal of Agricultural Sciences 2022

Weeds are the major constraint to achieving higher wheat yield in Afghanistan. To evaluate weed interference and its impact on wheat, a field experiment was undertaken during winter season 2014–15 at Afghanistan National Agricultural Science Technology University (ANASTU), Kandahar. Seven control treatments comprising isoproturon 0.75 1.0 kg/ha 35 days after sowing (DAS), sulfosulfuron 20 25 g/...

B. Singh R. Kumar, R.C. Kasana R.D. Singh S. Sharma S. Sood V.L. Pathania

The use of leaf mulch as a soil cover is effective in improving yield and soil fertility. The field experiment was conducted during 2010 and 2011 to study the effect of plant spacing (30 cm × 30 cm and 45 cm × 30 cm) and four mulches {pine needles (Pinus roxburghii), poplar leaf (Populus deltoides), silver oak (Grevillea robusta) tree leaf mulch and unmulched control} on growth, yield, qual...

Journal: :پژوهش آب در کشاورزی 0

an experiment was conducted in 2011 to evaluate the effect of weed interference on sunflower yield in deficit irrigation and to study the grass and broadleaf weeds growth at different moisture condition. the experiment was arranged as factorial, randomized complete blocks with four replicates per treatment. treatments included different moisture conditions [40%, 60%, 80%, and 100 percent of cro...

2009
David Brauer Henry Pearson

Silvopasture practices are being advocated as a means of maintaining pine forest acreage in the southeast United States; however, scientific data on the design and management for optimum tree growth are lacking. Studies were conducted near Booneville AR to determine the effects of weed control, irrigation, soil fertilization and protection from cattle grazing on the establishment of loblolly pi...

Journal: :علوم باغبانی 0
علیرضا کوچکی مهدی نصیری محلاتی گلثومه عزیزی آسیه سیاهمرگویی

abstract in order to investigate the effects of nutrient resources and weed management on qualitative and quantitative criteria of cat tyme (teucrium polium), an experiment was conducted as split plot based on a complete randomized block design with 3 replications at the agricultural research station, ferdowsi university of mashhad, iran, during the years 2008 and 2009. treatments included diff...

عبدالهی, عبدالوهاب , محمدی, رضا ,

  The response of bread wheat genotypes to weed interference was evaluated under dryland conditions. An experiment was conducted with 26 genotypes of bread wheat and two known cultivars, Sardari and Azar2, as checks in a strip plot (Split block) arrangement based on Randomized Complete Block Design (RCBD) with four replications in 2002-03 at Dryland Agricultural Research Institute, Srarood, Ker...

Journal: :international journal of advanced biological and biomedical research 2013
samaneh gholami mehdi minbashi eskandar zand ghorban noormohammadi

to assess the effect of non chemical management of weed control on forage sorghum (sorghum bicolor) a field study was conducted in varamin, iran during 2010 crop year in a three- replicated- split factorial experiment laid out in randomized complete block design with four weeding levels (w1= one time cultivation at 3-leaf stage using a duck foot cultivator, w2= two times cultivation at 3 and 5-...

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