نتایج جستجو برای: number of primary branches

تعداد نتایج: 21228803  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه کاشان - دانشکده علوم انسانی 1390

increasing academic and professional language demands around the world are not a deniable fact. the purpose of this study was to investigate english language needs and communication needs of the chemistry students at master and ph.d. levels at the iranian universities. in this research, different methods were used including un-structured interview, structured interview, and two sets of question...

Journal: :پژوهش های تولید گیاهی 0

decreasing water loss and increasing the irrigation times are basic methods to develop agriculture, success in natural recourse projects, minimize the stress to planted bushes in natural fields and increase the productivity of soil and water sources. the use of super absorbent is one of these strategies to achieve these goals. the main purpose of this research was to study the effect of super a...

Atena Alaghemand Mansour Ghorbanpour Masoud Gomarian Mohammad Reza Bihamta Shahab Khaghani,

zinc oxide nanoparticles have been synthesized using nigella sativa L. seed extract. Nigella sativa L. is an annual herbaceous plant belonging to the Ranunculaceae family. Concentration of plant extract plays a vital role in the synthesis of nanoparticles zinc oxide. Nanostructures were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM). This experiment was conducted i...

Journal: :علوم باغبانی 0
الهام عزیزی آسیه سیاهمرگویی احمد نظامی علی اصغر محمدآبادی رضا سهیلی

in order to investigate the possibility of fennel autumnal sowing in mashhad condition, 2 sets of experiments were conducted in agricultural college, ferdowsi university of mashhad in 2003-2005. this experiment was performed in the manner of split blocks based on completely randomized blocks with three replications. treatments were two fennel ecotypes (khorasan and kerman) and three planting da...

Beemnet Mengesha Kassahun Chalachew Endalamaw Getinet Alemaw, Girma Taye,

Objective: Castor (Ricinuscommunis L.) is an industrial oilseed that belongs to the family Euphorbiaceae. Castor is believed to be originated in East Africa probably Ethiopia. Although Ethiopia is known as a primary diversity for castor the knowledge on nature and extent of variation of the indigenous germplasm is limited. The present test was conducted to study the nature and extent o...

Beemnet Mengesha Kassahun Chalachew Endalamaw Getinet Alemaw, Girma Taye,

Objective: Castor (Ricinuscommunis L.) is an industrial oilseed that belongs to the family Euphorbiaceae. Castor is believed to be originated in East Africa probably Ethiopia. Although Ethiopia is known as a primary diversity for castor the knowledge on nature and extent of variation of the indigenous germplasm is limited. The present test was conducted to study the nature and extent o...

ژورنال: علوم آب و خاک 2009
تاج بخش, مهدی , سعید, علی, ولی محمدی, فرمیسک,

In order to evaluate effect of planting date and plant density on grain yield, yield components and some quality and morphological traits of chickpea (Cicer arietinum L.), an experiment was conducted at the research center of agricultural and natural resources of west Azerbaijan in Urmia rain-fed research farm during 2005-2006 growing season in a split plot arrangement, based on a completely ra...

In today's competitive world, many manufacturing and service firms, including banks, have been forced to use new managerial approaches, and methods for assessing organizational performance. The Data Envelopment Analysis (DEA) approach is one of these approaches, which has been used to evaluate the performance of organizations since 1978. The purpose of this research is to use the technology sup...

2017
Lei Chen Akihiro Sumida

The development of crown architecture strongly affects tree growth and survival. Growth and death of primary branches (those branching off from the main stem) and secondary branches (those from a primary branch) in the lowest part of the crown were investigated for Picea glehnii in an even-aged plantation. Probability of death of a primary branch decreased as the length between its basal locati...

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