نتایج جستجو برای: diameter and weight

تعداد نتایج: 16859554  

Journal: :علوم باغبانی ایران 0
سیده رضیه موسوی متین دانشجوی سابق کارشناسی ارشد، دانشکدۀ کشاورزی، دانشگاه زنجان سید نجم الدین مرتضوی استادیار، دانشکدۀ کشاورزی، دانشگاه زنجان مختار حیدری دانشیار، دانشگاه کشاورزی و منابع طبیعی رامین خوزستان

several plant growth regulators are used to improve the quality of cut flower in bulb plants, but their effectiveness depends on genotype and plant growth conditions such as nutrition status. a pot experiment was conducted under farm condition to study benzyl adenine (ba) and potassium nitrate interaction on floret diameter, stem diameter, flower height, flower number per bulb, fresh and dry we...

Journal: :desert 0
a. mohebby ph.d graduate, research institute of forests and rangelands (rifr),tehran, iran m. jafari professor, faculty of natural resources, university of tehran, karaj, iran a. tavili associate professor, faculty of natural resources, university of tehran, karaj, iran s.a. javadi assistant professor, science and research branch, islamic azad university, tehran, iran e. zandi esfahan assistant professor, research institute of forests and rangelands (rifr),tehran, iran m. ramezani member of scientific board, islamic azad university, science and research branch, tehran, iran

it has often been stated or implied that grazing is an important factor in the land degradation process, a suggestion supported by various research projects, and this study investigated the effect of livestock grazing on stem height, crowncover, production, basal diameter, stem biomass, litter, leaf-stem index (leaf to stem weight) , root diameter and weight and seed production per individual o...

Journal: Desert 2012
A. Mohebby A. Tavili E. Zandi Esfahan M. Jafari M. Ramezani S.A. Javadi

It has often been stated or implied that grazing is an important factor in the land degradation process, a suggestion supported by various research projects, and this study investigated the effect of livestock grazing on stem height, crowncover, production, basal diameter, stem biomass, litter, leaf-stem index (leaf to stem weight) , root diameter and weight and seed production per individual o...

Journal: :بوم شناسی کشاورزی 0
علی اصغر محمدآبادی پرویز رضوانی مقدم جبار فلاحی

studies on crop improvement of saffron (crocus sativus l.) can play an important role in development of this native crop. in this context, an experiment was conducted at agricultural research station, ferdowsi university of mashhad, iran, as a factorial based on randomized complete block design with three replications, during 2005-2010 years. first studied factor was planting pattern of saffron...

Journal: :تولید گیاهان زراعی 0

in order to study the effects of sowing date and plant density on forage yield and some morphological characteristics of corn, an experiment was conducted in gorgon research station in 2008. in this experiment two sowing date (18 april and 21 june) and six plant densities (25000, 45000, 65000, 85000, 105000, and 125000 plant per hectare) were evaluated in form of factorial experiment (2×6) with...

A. Lavvaf, M. Salehi, T. Farahvash

This study was conducted to investigate the hair production and fleece characteristics of hairy goats according to the sex and age of animals. The material of the study consisted one total data of 73 hair goats, which were between more than one year-old and one year-old Lori goats from both sexes (26 males and 47 females). The overall fleece weight, fiber length, lock length, washing yield, hai...

Journal: :مدیریت آب و آبیاری 0
محسن افاضاتی کارشناسی ارشد آبیاری و زهکشی، گروه مهندسی آب، دانشکدۀ فنی و کشاورزی، دانشگاه آزاد اسلامی، واحد کرمان، کرمان، ایران محسن ایران دوست استادیار گروه مهندسی آب، دانشکدۀ فنی و کشاورزی، دانشگاه آزاد اسلامی واحد کرمان، کرمان، ایران عباس رضایی استخروییه استادیار گروه مهندسی آب، دانشکدۀ کشاورزی، دانشگاه شهید باهنر کرمان، کرمان، ایران

this study was performed in order to evaluate the effects of application of super absorbent on the yield and water use efficiency of cucumber under deficit irrigation conditions in greenhouse. plants cultivated in plastic pots and irrigation emitter with four liters per hour discharge was performed. three levels of irrigation water height (10, 8.3 and 6.2 mm day-1) were used as the main factor ...

Journal: :پژوهش در گیاهان زارعی 0
مهدی تاج بخش استاد گروه زراعت و اصلاح نباتات، دانشکده کشاورزی، دانشگاه ارومیه سویل محمدزاده دانشجوی دکترای زراعت، گروه زراعت، دانشکده کشاورزی، دانشگاه ارومیه

in order to investigate the effects of foliar application with plant growth promoters on morphological characteristics of maize (single-cross 704), an experiment with three replications and sixteen treatments conducted with priming and spraying of growth promoters (organser, mas-raiz, dulzee and control)  as factorial based on complete randomized block design. analysis of variance showed that t...

Journal: :علوم گیاهان زراعی ایران 0
سمیه صنوبری دانشجوی کارشناسی ارشد اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه صنعتی اصفهان محمدرضا سبزعلیان استادیار، دانشکدۀ کشاورزی، دانشگاه صنعتی اصفهان قدرت اله سعیدی استاد، دانشکدۀ کشاورزی، دانشگاه صنعتی اصفهان

safflower is a crop native to iran and could be improved in plant breeding programs by inter-specific crosses. this study was conducted to evaluate genotypes of safflower derived from interspecific hybridization for the relationships between some agronomic traits and yield components. the genotypes were planted according to a randomized complete block design with three replications at the resea...

The rehabilitation of sandy desertified land in various dryland ecosystems by different management practices has a great potential to increase aggregate stability and improve soil quality. However, plants in general may have a different ability to sustain soil. The objective was to determine the effects of reclamation practices including Haloxylon ammodendron and Atriplex canescens plantation o...

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