نتایج جستجو برای: two independent experiment in five concentrations 0
تعداد نتایج: 17470385 فیلتر نتایج به سال:
The low phosphorus (P) availability is considered one of the most limiting factors for suitable crop production in Brazilian Cerrado areas. We aimed to define best P fertilizer management maximum soybean and maize grain yield minimum soil adsorption new agricultural Two experiments were carried out a Hapludox (pH 5.0) over six years. first experiment evaluated five (correction maintenance): cor...
the present study sought to investigate the role of dynamic assessment (da) in improvement of iranian efl writing performance at different language proficiency levels. to this end, after conducting the quick placement test, 60 iranian efl learners were assigned to two groups with different language proficiency levels. in both groups each participant wrote two compositions, one before and one af...
abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...
in this study, 54 five-year-old farmed female beluga at stage ii of sexual maturation were treated with 0 (control), 0.2, 0.4, 0.8 and 1.6 g of dietary soy equol (eq) and genistein (ge) per each kilogram (kg) of diet during a year. blood samples were collected and ovarian biopsy was performed quarterly. results showed that 64.4% of the huso huso sexually matured at eq 0.4 g/kg and reached stage...
in this study, the relationship between teachers’ creative and critical thinking skills and their reflectivity in teaching was investigated. to this end, three questions were raised. these questions were intended to determine whether there was a significant relationship between teachers’ creative thinking skills and their reflectivity in teaching; whether there was a significant relationship be...
three hundred and sixty broiler chicks (ross 308) were employed in an experiment from 6 to 49 days of age to evaluate the effect of replacing canola meal for soybean meal either with or without enzyme supplementation. dietary treatments included 5 substitution levels (0, 25, 50, 75 and 100%) at two enzyme concentrations of: 0 and 400 g/ton in a 5×2 factorial layout experiment. the enzyme mixtur...
in order to evaluate the effect of feeding different levels of vermi-humus supplement (as a source of humic acid) on the performance of broiler chickens an experiment was conducted using 240 broiler chickens (ross 308) in a completely randomized design by four treatments (vermi-humus levels of 0, 0.5, 1 and 1.5 percent) and five replicates of 12 chickens per each for 42 day. the experimental tr...
Introduction: During the recent two decades, practical medical skills’ training has experienced dramatic changes, which has led to establishment of CSLCs (Clinical Skills Learning Centers). Thus, it is necessary to evaluate the effects of these centers on students' learning of the relevant procedures. The main objective in this study was comparing the output of skills training processes in two ...
Considering the high water requirement of grass during growth stages and the limitation of irrigation sources, it is important to find a suitable way to reduce the water requirement of the lawns as cover plants used in the Landscape. The purpose of this study was to investigate the effect of 2,4,5-T on the induction of callus from the hypocotyl explant in Kentucky bluegrass, induce in vitro dro...
the purpose of this study was to investigate how english language teachers in mashhad who teach students in the pre-university cycle perceived the impact of the efltee on their teaching. the target population was nearly all pre-university english language teachers in seven districts of mashhad in the scholastic year 2008/2009. a survey questionnaire which consisted of (36) likert type items, wa...
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