نتایج جستجو برای: reducing growth

تعداد نتایج: 1041825  

The environmental changes by human activities lead to contamination of natural ecosystems and agricultural lands to heavy metals such as cadmium (Cd), which enumerates the most important environmental pollutants. This experiment was conducted for study of cadmium and mycorrhizal symbiosis effects on growth and physiological parameters as well as cadmium accumulation in Black seed (Nigella sativ...

Kiarostami, Khadijeh, Mirzaei, Tahereh,

Lemon balm (Melissa officinalis) is a medicinal plant belonging to lamiaceae and is rich in antioxidant compounds. with the aim of optimizing the production of antioxidant compounds, in this research, we studied the effect of different concentrations of silver nanoparticles on growth indices and antioxidant activity of proliferated shoots in vitro culture. For this purpose, seedlings of seed ge...

Journal: :تولیدات دامی 0
جلیل نوری رایگانی دانشجوی دکتری تغذیۀ طیور، گروه پرورش و مدیریت طیور، دانشکدۀ کشاورزی، دانشگاه تربیت مدرس، تهران، ایران محمد امیر کریمی ترشیزی استادیار، گروه پرورش و مدیریت طیور، دانشکدۀ کشاورزی، دانشگاه تربیت مدرس، تهران، ایران شعبان رحیمی استاد، گروه پرورش و مدیریت طیور، دانشکدۀ کشاورزی، دانشگاه تربیت مدرس، تهران، ایران امید مددگار دانشیار، گروه ویروس ‏شناسی، دانشکدۀ دامپزشکی، دانشگاه تهران، تهران، ایران

three experiments were carried out for isolation of bacteriophage against growth reducing enterococcus faecalis and evaluation of its efficacy to control enterococci colonization in intestine of japanese quails. in experiment one, 60 enterococci spp were isolated from gastrointestinal contents of adult quails, which among them seven isolates were selected based on preliminary tests. in experime...

Journal: :تحقیقات اقتصادی 0
زهرا افشاری استاد گروه اقتصاد - دانشگاه الزهرا

this paper examines the lewis theory of structural change in iran in the period 1974-2005. where labor productivity growth and the intensive use of labor occurs via reallocation of labor between sectors or spillovers in the production from the manufacturing or service sectors to agriculture resulting to convergence. assessing whether productivity gap is reducing or increasing, takes us to the n...

Journal: :اقتصاد و توسعه کشاورزی 0
عذرا جوان بخت حبیب الله سلامی

this study investigates the effects of two policies of reducing profit rate and increasing supply of credits on the growth of production in the economic sectors in iran. to achieve the goal, the orani-g computable general equilibrium model was modified tothe present situation of iranian economy. the model was also extended to accommodate the financial sector of the economy. to use the cge model...

Journal: :کنترل بیولوژیک آفات و بیماری های گیاهی 0
محبوبه سهرابی دانشجوی سابق کارشناسی ارشد بیماری شناسی گیاهی، دانشگاه شهید باهنر کرمان حمید محمدی استادیار بیماری شناسی گیاهی ، دانشگاه شهید باهنر کرمان امیر حسین محمدی استادیار بیماری شناسی گیاهی ، موسسه تحقیقات پسته کشور

in the present study, the effects of two arbuscular mycorrhizal fungi, glomus mosseae andglomus intraradices, alone and in combination, on the growth parameters, chlorophyll and the root-rot disease of pea (pisum sativum) caused by fusarium solani f.sp. pisi were evaluated under greenhouse conditions. eight different treatments in four replications were designed in randomized blocks. compared w...

2007

Blueberries are a nutrient rich fruit containing antioxidants and anti-inflammatory compounds particularly anthocyanins, proanthocyanins, flavanols and tannins that are reported to be effective in reducing cholesterol and other blood lips, thereby reducing the risks of cardiovascular disease. Blueberry consumption is also associated with reducing the growth of some types of cancers, alleviating...

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