نتایج جستجو برای: neyshabor

تعداد نتایج: 4  

Journal: :حفاظت گیاهان 0
حسینی حسینی صادقی نامقی صادقی نامقی

abstract during growing seasons of years 2006 & 2007, a faunistic survey on syrphidae family(diptera) in agroecosystems of neyshabor region, khorasan-e-razavi province was carried out. in this study, 3 collection methods: yellow water trap, malaise trap and sweeping net were applied. the results showed a large difference between different collection methods. specimens of 14 species collected by...

Journal: :پژوهش های تولید گیاهی 0
رضا دیهیم فرد استادیار گروه کشاورزی اکولوژیک پژوهشکده علوم محیطی دانشگاه شهید بهشتی، تهران سجاد رحیمی مقدم دانشگاه شهید بهشتی

background and objectives: sugar beet (beta vulgaris l.) is the major crop in khorasan province which is mainly grown in spring. however, autumn sowing has a lot of advantages including lower crop water requirement and higher water use efficiency. accordingly, this research was performed to compare the yield of storage organ in spring and autumn-sown sugar beet and determine the most appropriat...

Journal: :جغرافیا و توسعه ناحیه ای 0
محمدرضا رضوانی علیرضا دربان آستانه حسن احمدآبادی

nowadays stable economic development is the most important purpose of developing countries and in this case micro-credits can be an efficient approach that play an important role in achieving firm living in rural areas. the main aim of this research is to analyze the effects of micro-credits on stability of the rural economy and in the end to answer this question whether micro-credits in rural ...

Journal: :محیط زیست طبیعی 0
مریم کبیری هندی کارشناس ارشد محیط زیست دانشکدة منابع طبیعی، دانشگاه تهران افشین دانه کار دانشیار دانشکدۀ منابع طبیعی، دانشگاه تهران افشین علیزاده استادیار دانشکدۀ منابع طبیعی، دانشگاه تهران نعمت اله خراسانی 4. استاد دانشکدۀ منابع طبیعی، دانشگاه تهران

natural sites with spiritual values are parts of land or sea that play key role in conserving biodiversity and cultural identity. the aim of this study is prioritizing protected zones with spiritual values. in the first step for this survey, based on literature review and according to multi criteria assessment, convenient conservation criteria were compiled, then for each of criterion, indices ...

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