نتایج جستجو برای: root yield and sugar content were increased

تعداد نتایج: 16947581  

Journal: :چغندرقند 0
مهدی جوزی دانشجوی دکتری گروه مهندسی آب دانشکده کشاورزی دانشگاه بوعلی سینا، همدان-ایران حمید زارع ابیانه دانشیار گروه مهندسی آب دانشکده کشاورزی دانشگاه بوعلی سینا، همدان- ایران

water scarcity in arid and semi-arid climate of iran has made deficit irrigation as a strategy for optimal water use and conservation in agricultural sector. this study aimed at evaluating the effects of water-deficit stress and n fertilizer levels on sugar beet performance. the study was conducted in split block design based on randomized complete block design arrangement. the row factor consi...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1391

the ability of composing a coherent and extended piece of writing in second language is considered as a fundamental factor to convey information and ideas of learners through the academic issues. although learners may achieve a perfect academic writing skill through assigning the l2 tasks in content based instruction, but demonstration of their abilities may be related to their ability in l1 es...

For ranking and grouping of full-sibs and hybrids of sugar beet obtained from breeding programs, two separate experiments were carried out at the farm of the Agricultural and Natural Resources Research Station of Miandoab in 2017 under saline and normal conditions. For this purpose, 17 full-sibs and 28 hybrids differing in resistance and susceptibility to environmental stresses were investigate...

Journal: :چغندرقند 0
غلامرضا اشرف منصوری مربی پژوهشی بخش تحقیقات جغندرقند، مرکز تحقیقات کشاورزی و منابع طبیعی فارس

in order to study the response of new sugar beet hybrids and cultivars to curly top disease in the field conditions, an experiment was carried out in a randomized complete block design with four replications and sixteen treatments in 2007 in fasa. each plot included a hybrid or cultivar planted in three rows with eight meter length and 50cm between- row spacing. after weeding and first thinning...

Journal: :چغندرقند 0
بهرام میرشکاری استادیار دانشگاه آزاد اسلامی واحد تبریز، دانشکده کشاورزی، گروه زراعت و اصلاح نباتات

in order to evaluate the efficiency of empirical competition models for simulation of sugar beet (beta vulgaris l.) yield at interference with redroot pigweed (amaranthus retroflexus l.), a factorial experiment based on randomized complete block design with three replications was carried out. factors were weed densities (d1=1, d2= 4, d3= 8, d4=12 and d5=16 plants m-1 of row) and relative time o...

Journal: :چغندرقند 0
محمدرضا اوراضی‏زاده مربی پژوهشی موسسه تحقیقات چغندرقند

in order to evaluate some agronomical management on weed control in sugar beet this experiment was conducted at safi-abad agr.res.center, dezful in 2002 and 2004. tow planting dates, september 16 and october 12 and five cultivator applications, one and two time application at 4-6 and 6-8 leaf stages, respectively and once plus hand hoeing, weedy and weed free checks arranged in split plot desig...

Journal: :چغندرقند 0
حمید شریفی مرکز تحقیقات کشاورزی صفی‎آباد مصطفی حسین پور مرکز تحقیقات کشاورزی صفی‎آباد عبدالامیر راهنما مرکز تحقیقات کشاورزی صفی‎آباد

this experiment was conducted for determining the effect of irrigation termination before harvesting and late application of nitrogen on sugar beet yield, quality and root rot during 1993-95 at safiabad agricultural research center. different irrigation termination and late nitrogen application treatments had a significant effect on root yield. terminating irrigation 1 and 3 weeks before harves...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده کشاورزی 1390

abstract this study is carried out to determine the chemical composition in the three vegetative stages of the haloxylon sp., degradation parameters, with adding naoh and ca(oh2 ). for this purpose, in may and october and january 2010 enough some haloxylon sp. of the ammary area was prepared. crude protein and ash percentage are decrease, neutral detergent fiber percentage with pragress stage ...

Journal: :چغندرقند 0
جهانشاه بساطی عضو هیئت علمی مرکز تحقیقات کشاورزی کرمانشاه اسدا... زارعی دانشگاه شهید چمران محمدرضا ضرابی مدیریت زراعت سازمان جهادکشاورزی کرمانشاه حسین فضلی عضو هیئت علمی مؤسسه تحقیقات چغندرقند

to study  the effect of powdery mildew on sugar beet yield and percentage of sugar losses sugar percent losses, ten genotypes were compared in a factorial  experiment based on  randomized complete block design with 3 replications and two factors. the first factor was spraying treatment with two levels and the second were genotypes. inoculation was carried out using the pathogens' conidial ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

abstract this study was carried out to compare disinfecting effects of nanosilver with other feed disinfectants on layer hen performance, immune system, gastrointestinal microflora and intestinal morphology. total of 90 layers (lsl) were divided into five groups consisting: 1-control, 2- formalin (200 ppm), 3- formaycin (200 ppm), 4- nanosilver in drinking water (7.5 ppm) and 5-nanosilver in f...

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