to determine the correlation between grain yield and its components in some grain corn hybrids and their cause and effect relationships in various fertilizer application methods, an experiment was carried out as split plot based on randomized complete block design with two fertilizer application methods (urea foliar application and soil application method), four grain corn hybrids (ns 640, kons...

the aim of the current study is to investigate hearing function in patients with allergic rhinitis. fifty-eight patients with positive skin prick test (group 1) (116 ears) and    31 subjects with negative skin prick test (62 ears) as group 2 were included. pure tone audiometry at 250,500, 1000, 2000, 4000 and 8000 hz and immittance measures, including tympanometry and acoustic reflex tests, wer...

background: it is estimated that about 370 million people are chronic carriers of hbv worldwide. apparently 3% of iranian populations are chronic carriers of this virus. we aimed to evaluate the viral dna in biological fluids of chronic hepatitis patients compared to a control group. methods: the current case-control study was designed to evaluate the viral dna in biological fluids of 70 chroni...

objectives: hearing impairment in children is considered as an important public health problem. auditory function in these children is poor and depends on their hearing aids efficacy and also their ears’ status. hearing aids are very expensive and ear disease deteriorates its performance. therefore detecting the ear disease and offering proper treatment is necessary. the aim of this study is to...

Background: Otomycosis is a superficial mycotic infection of the external auditory canal. Clinical presentation, along with otoscopic findings, sufficient to make diagnosis in most cases. Treatment includes aural cleaning followed by instillation anti-fungal ear drops. In recent years, there has been an increasing trend antifungal resistance for commonly used antifungals such as fluconazole and...

introduction: chronic otitis media (com), a persistent and durable inflammation and infection of the middle ear, is a common disorder. alterations in the contralateral ear in sufferers have been observed in recent years. because only a few studies have been reported in this area, we performed this study in order to assess alterations in the contralateral ear of patients with com.   materials an...

in order to study the effect of sowing date and plant density on ear of sweet corn an experiment was conducted in gorgan reaserch station since june 2001 during 3 years. in this experiment five sowing date (24th june, 9th july, 24th july, 18th agust and 23th agust) and four plant density (45000, 55000, 65000 and 75000 plant per hectar) were evaluated in form of factorial experiment (5×4) within...

considering importance of baby corn as a new food, this study was conducted to evaluate effect of different sowing date; planting density and harvest methods on growth and yield of baby corn ksc403su varieties in agricultural research center and natural resources of khorasan razavi province during on 2007-2008. was considered at three levels of sowing date (14th  june, 3th  july, 24th july) as ...