نتایج جستجو برای: harvest index showed the most significant positive correlations with economic yield

تعداد نتایج: 17985167  

حسن زینالی خانقاه, , عباسعلی زالی, , وحیده نرجسی, ,

Thirty soybean cultivars from different maturity groups were evaluated in a randomized complete block design with four replications in Research Station of College of Agriculture at Tehran University in Karaj in 2004. The purpose was to determine genetic relationship of some important agronomic traits related to seed yield. Analysis of variance showed that there were significant differences amon...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه کاشان - دانشکده ادبیات و زبانهای خارجی 1392

abstract this study aimed at investigating the possible relationship between self-assessment in writing and self-regulation of iranian efl learners. the main purpose of the study was not only to report and inform about this relationship, but also to investigate and find practical outcomes of the incorporation of self-assessment in writing, such as improving writing skill. the research was carr...

Journal: :Pakistan journal of biological sciences : PJBS 2014
Abel Debebe Harijat Singh Hailu Tefera

This experiment was conducted at Debre Zeit and Akaki during 2004-2005 cropping season on F2-derived F4 bulk families of three crosses, viz, DZ-01-974 x DZ-01-2786, DZ-01-974 x DZ-Cr-37 and Alba x Kaye Murri. To estimate the correlations and path coefficients between yield and yield components, 63 F4 families were taken randomly from each of the three crosses. The 189 F4 families, five parents ...

Journal: :به زراعی کشاورزی 0
شهین خدابنده لو کارشناس ارشد گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه بوعلی سینا، همدان، ایران علی سپهری استادیار گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه بوعلی سینا، همدان، ایران گودرز احمدوند دانشیار گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه بوعلی سینا، همدان، ایران امیر حسین کشتکار استادیار گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه بوعلی سینا، همدان، ایران

the water deficit is the most important limiting non-biological factor to achieve the potential yield of crops. to evaluate the effect of silicon application on yield of millet under drought stress in field an experimental was carried out. treatments were included three irrigation regimes after 60 (non-stress), 90 (moderate stress) and 120 (severe stress) mm evaporation from evaporation pan, cl...

Journal: :علوم گیاهان زراعی ایران 0
محمد مدرسی استادیار دانشکده کشاورزی دانشگاه خلیج فارس ساسان راستگو استادیار دانشکه کشاورزی دانشگاه خلیج فارس

climate changes due to global warming is affecting world agriculture adversely. heat stress due to global warming has turned to one of the most important factors reducing quantity and quality of plants production such as tomato. despite of wide cultivation of tomato and high temperature effects on its production, unfortunately; research in this area is scarce. this study was conducted to invest...

Journal: :علوم گیاهان زراعی ایران 0
فاطمه ملک ملکی پردیس کشاورزی و منابع طبیعی دانشگاه تهران ناصر مجنون حسینی پردیس کشاورزی و منابع طبیعی دانشگاه تهران حسن علیزاده پردیس کشاورزی و منابع طبیعی دانشگاه تهران

to study the effect of plant density on seed yield and yield components of two lentil cultivars a field experiment using factorial design based on a complete block design was conducted with three replications at research farm of college of agriculture and natural resources, university of tehran (karaj) in 2008. treatments were lentil varieties (ziba, mardom), and plant densities (80, 160, 240, ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده ادبیات و علوم انسانی 1388

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...

Journal: :علوم گیاهان زراعی ایران 0
احمد رضا کوچکی استادیار، مؤسسۀ تحقیقات اصلاح و تهیۀ نهال و بذر کشور، کرج امیر یزدان سپاس دانشیار، مؤسسۀ تحقیقات اصلاح و تهیۀ نهال و بذر کشور، کرج محمد رضا مهرور استادیار، مؤسسۀ تحقیقات اصلاح و تهیۀ نهال و بذر کشور، کرج مانی معرفت زاده خامنه کارشناس ارشد، دانشگاه رازی کرمانشاه

drought stress is considered as one of the main important factors reducing field crop yield, thus leading researchers to study the related physiological characteristics may reduce drought effects. this experiment was conducted in research farm of seed and plant improvement institute (spii) in karadj, arak and jolgeh rokh for three cropping seasons (2008-2011) to evaluate drought tolerance of br...

Journal: :پژوهش های تولید گیاهی 0

in order to have a successful breeding program, it is important to determine the relationship among the traits. this study was conducted at research farm of isfahan university of technology to evaluate relationships among some of the agronomic and physiological traits and grain yield of ten bread wheat cultivars in optimum and stress moisture (irrigation after 70±3 and 130±3 mm evaporation from...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1390

writing as a productive skill requires practice in the basic sub-skills of vocabulary and grammar. in fact, grammar has been viewed as the core of programs in writing classes to help the students put the elements of sentence together and combine sentences of specific lengths to come up with an error-free work of art. conceptualizing l2 writing in this way introduces writing as a product and enc...

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