نتایج جستجو برای: gilan

تعداد نتایج: 645  

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
ثار الله رضاپور دانشگاه تربیت مدرس، تهران سید ابوالقاسم مرتضوی دانشگاه تربیت مدرس، تهران سید مجتبی مجاوریان دانشگاه علوم کشاورزی ساری

since the difference in productivity growth rates in different provinces is a result of regional inequality, efficiency criteria in the development of regional-scale agricultural activities is beneficial. therefore it is important that long-term movements in the provinces to identify differences in productivity levels to take effective measures such as investment more in infrastructure, researc...

2006
A. Ansari Mahabadi M. A. Hajabbasi H. Khademi H. Kazemian

In recent years, natural substances such as zeolite have been used to absorb heavy metals in soil in an attempt to decrease their availability to plants. Compared to other techniques, the use of zeolite is fast, clean, and inexpensive. This research was carried out to investigate the effects of an Iranian natural zeolite (clinoptilolite) on stabilizing Cd-contaminated soil treated with 0.01 M C...

2017
Mohsen BAROUNI Mohammad Reza AMIRESMAIELI Arash SHAHRAVAN Saeed AMINI

BACKGROUND During the last decades, the number of dentistry units increased significantly across the country. The aim of this study was to assess the efficiency of dental units of Iran provinces regarding dental health inputs and outputs using Data Envelopment Analysis approach. METHODS In this applied descriptive-analytical study, the study population included all of Iran 31 provinces. The o...

2012

Drought is one of the most important natural disasters which is probable to occur in all regions with completely different climates and in addition to causing death. It results in many economic losses and social consequences. For this reason. Studying the effects and losses caused by drought which include limitation or shortage of agricultural and drinking water resources. Decreased rainfall an...

2012
S Rezaei-Chaparpordi M Assmar N Amirmozafari L Modiri A Massiha S Shokri-Fashtali Z Gholizadeh S Akbari

BACKGROUND Herpes simplex virus (HSV) type 1 and 2 are common infectious agents worldwide. Data on prevalence of HSV-1 and HSV-2 infection are limited in Asia, especially in Iran. The aim of this study was to determine the seroprevalence of HSV type 1 and 2 based on age, gender, marital status, education, living area, job, symptoms and history of disease variables. METHODS The study populatio...

Journal: :Iet Generation Transmission & Distribution 2022

The conventional model of the day-ahead electricity markets employs an energy-based approach to manage competition among players. Under this format, it is assumed that everything (including demand and output power generating units) constant during each hour. This assumption greatly simplifies market, widely incorporated over globe. However, leads mismatches in real-time operation. With increase...

Journal: :Phytopathology 2021

Blast disease is a notorious fungal leading to dramatic yield losses on major food crops such as rice and wheat. The causal agent, Pyricularia oryzae, encompasses different lineages, each having host range. Host shifts are suspected have occurred in this species from Setaria spp. Lolium emergence of blast maize Iran was observed for the first time north country 2012. We later identified two add...

Journal: رستنیها 2004
KH. GHARIZADEH M. ABBASI, S.A. ELAHINIA S.A. KHODAPARAST,

In the framework of study on wood inhabiting Hyphomycetes in Gilan province, Iran, during 2002- 2003 eighteen taxa belonging to different genera were identified as follows: Chloridium botryoideum, Dendryphiopsis atra, Epicoccum nigrum, Periconia minutissima, Periconia byssoides, Periconia sp., Phaeoisaria clematidis, Pseudospiropes simplex, Sporidesmium adscendens, Sporidesmium brachypus, Spori...

Journal: :Zootaxa 2014
Leila Kashi Akbar Karegar

In order to identify the species of Helicotylenchus Steiner, 1945 present in Iran, 497 soil and root samples were collected from the rhizosphere of different plants and localities throughout the country during 2009-2010. A new and several known species of Helicotylenchus were identified from the collected material. H. persiaensis sp. n. is characterized by its short tail (8-11 µm , c = 54.2-79....

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