نتایج جستجو برای: leaf stage on grain yield

تعداد نتایج: 8694228  

In order to study the relationship between grain yield and some of agronomic traits under drought stress condition, an experiment with 305 bread wheat inbred lines derived from a cross between Roshan × Falat and 25 drought tolerant and susceptible varieties along with 4 check varieties (Roshan, Falat, Mahdavi and Shahpasand) was conducted in augmented complete block design, at Research Field of...

Journal: :تولید گیاهان زراعی 0

velvetleaf (abutilon theophrasti) is one of the most important weeds of soybean fields in golestan province. a field experiment was conducted in gorgan agricultural research station in 2007 to determine the critical period for velvetleaf control in williams soybean (glycine max (l.) merr.) cultivar using a randomized complete block design with 4 replications. treatments were included two sets o...

Journal: :فصلنامه علمی اکوفیزیولوژی گیاهان زراعی 0

to evaluate the anti-transpiration effect on yield and yield components of corn late yield 704 under drought stress experiment split factorial randomized complete block design with three replications in spring 2012 at the research station, kermanshah. and paclobutrazol treatments include salicylic acid, which is taking on two levels. based on the values determined in the following order foliar ...

اخگر, عبدالرضا , اعتمادی, فریدا, دشتی, حسین, مداح حسینی, شهاب,

In order to evaluate the effect of plant growth-promoting rhizobacteria) PGPR( on salt tolerance in vegetative and reproductive growth stages of safflower (Carthamus tinctorius), a randomized complete block design with a factorial combination of bacterial inoculation and salinity, each in three levels, and four replications was conducted in experimental glasshouse of Vali-e-Asr University of Ra...

2012
Yunbo Zhang Qiyuan Tang Shaobing Peng Danying Xing Jianquan Qin Rebecca C. Laza Bermenito R. Punzalan

One of the technology options that can help farmers cope with water scarcity at the field level is alternate wetting and drying (AWD). Limited information is available on the varietal responses to nitrogen, AWD, and their interactions. Field experiments were conducted at the International Rice Research Institute (IRRI) farm in 2009 dry season (DS), 2009 wet season (WS), and 2010 DS to determine...

Journal: :علوم گیاهان زراعی ایران 0
نوش آفرین خواجه یحیی امام حسن پاک نیت علی اکبر کامگار حقیقی

to evaluate the growth regulatory effect of chlormequat chloride (ccc) under drought stress conditions on three barley cultivars, a field study was conducted under badjgah agro climatic conditions (altitude 1810 m, longitude 52° 46´, and latitude 29° 50´) during 2003-2004 growing season. a randomized complete block based split- split plot of four replications was employed with two moisture leve...

2017
Zhijia Gai Jingtao Zhang Caifeng Li

The objective of this study was to examine the impact of starter nitrogen fertilizer on soybean root activity, leaf photosynthesis, grain yield and their relationship. To achieve this objective, field experiments were conducted in 2013 and 2014, using a randomized complete block design, with three replications. Nitrogen was applied at planting at rates of 0, 25, 50, and 75 kg N ha-1. In both ye...

Journal: :Journal of environmental biology 2006
A Almodares S M Mostafafi Darany

This experiment was conducted at Azad University experiment station to evaluate the effects of planting date and time of nitrogen application on yield and sugar content of sweet sorghum in 2003. Four planting dates (May 4, March 19, June 3 and June 18) and three stages of nitrogen application (3-5/8 leaf stage, boot stage and soft dough stage) were assigned to the main and subplots, respectivel...

Journal: :به زراعی کشاورزی 0
طیبه زارعی دانشجوی سابق کارشناسی ارشد، گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه شیراز، شیراز، ایران سید عبدالرضا کاظمینی دانشیار گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه شیراز، شیراز، ایران حسین غدیری استاد گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه شیراز، شیراز، ایران

a field experiment was conducted to evaluate the effect of varying doses of haloxifhope-r-methyl ester herbicide on grass weeds grown at various stages in 2011-2012 growing season in research farm of college of agriculture, shiraz university. the study was carried out as split split plot based on randomized complete block design with three replicates. treatments were haloxifhope-r-methyl ester ...

Journal: :فصلنامه علمی اکوفیزیولوژی گیاهان زراعی 0

an experiment was conducted in order to evaluate the effects of humic acid spraying on  grain yield and yield components of wheat, in agricultural research and natural resources center of tehran province, in 2010-11. a split-plot layout within randomized complete block design with three replications were used. main plots were three irrigation treatments contains of normal irrigation, non-irriga...

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