Results 81 to 90 of about 435 (125)

Assessment of pelagic primary and secondary production in Sefidrud River estuary [PDF]

open access: yes, 2006
Sefid-Rood River Estuary (SRE) is the most important riverine ecosystem in the south Caspian Sea along the Iranian coast lines. The aim of this study was to examine spatial and temporal variability in Phytoplankton and Zooplankton abundance and ...
Rahimi Bashar, Mohammadreza
core  

Assimilate Accumulation and Translocation of Triticale (X Triticosecale Wittmack) in Intercropped Triticale-Chickpea (Cicer arietinum L.) as Affected by Bio-Organic Fertilizer and Deficit Irrigation [PDF]

open access: yes
IntroductionWater stress is one of the main limiting factors for global crop productivity in arid areas. A strategy to mitigate the pronounced water stress levels may entail the application of plant growth-promoting rhizobacteria (PGPRs), organic matter,
Ida Rashidipoor   +2 more
core   +1 more source

تحلیل ژنتیکی عملکرد و برخی از صفات هم‌بسته در ژنوتیپ‌های پنبه آپلند (Gossypium hirsutum L.) [PDF]

open access: yesPizhūhish/hā-yi tulīd-i giyāhī, 2012
در این تحقیق، 6 ژنوتیپ از پنبه آپلند (Gossypium hirsutum L.) به‌صورت طرح تلاقی دی‌آلل یک‌طرفه (6×6) تلاقی داده شدند. در سال 1384، والدین و نتاج F1 در قالب طرح بلوک‌های کامل تصادفی در سه تکرار در ایستگاه تحقیقات پنبه هاشم‌آباد گرگان از نظر صفات زراعی و ...
doaj  

ارزیابی رقابت و سودمندی کشت مخلوط جو (Hordeum vulgare L.) و نخود علوفه‌ای (.Pisum sativum L) در شرایط دیم [PDF]

open access: yesJournal of Agricultural Science and Sustainable Production, 2018
چکیده      به‌منظور بررسی سودمندی کشت مخلوط جو با نخود علوفه‌ای در شرایط دیم، آزمایشی بر پایه طرح بلوک‌های کامل تصادفی  با سه تکرار در دانشکده کشاورزی دانشگاه مراغه در سال زراعی 1394 اجرا شد.
عبداله جوانمرد   +2 more
doaj  

Biological characteristics and determination of population dynamics parameters of Nemipterus japonicus in the coastal waters of Province Bushehr, Persian Gulf [PDF]

open access: yes, 2009
This study was conducted to determine biological characteristics and population dynamics parameters of threadfin bream (Nemipterus japonicus) in Persian Gulf (Bushehr Province), during November 2006 and October 2007.
Kerdgari, Mahnaz
core  

Survey on gill parasites of sturgeon fishes (Acipenseridae) in southern part of Caspian Sea with emphasis on Nitzschia sturionis Ablidgaard, 1794 [PDF]

open access: yes, 2008
Sturgeons are important because of producing the expensive caviar. With regard to decreasing of natural stocks of these fishes, cultured sturgeons farms are expanding, so infectious or non-infectious agents can cause problems in this industry. One of the
Tavakol, Sareh
core  

The comparison of inhibitory effects of barley and rice straws to control of algae and aquatic weeds in fish ponds [PDF]

open access: yes, 2010
Bioassays were carried out to consider the relative effect of barley and rice straw extracts on the growth of 12 problematic freshwater algae. The laboratory results demonstrated that growth of Microcystis aeruginosa; Aphanizomenon flos–aquae, Anabaena ...
Rajabi Islami, Houman
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Genetic diversity study of Caspian brown trout (Salmo trutta caspius Kessler, 1877) population in five rivers in the southern part of Caspian Sea, Iran [PDF]

open access: yes, 2013
For study the genetic diversity of Caspian brown trout population in five rivers in the southern part of Caspian Sea in Iran 182 number generators in the fall and winter of 1390 were collected in Chalus, Sardab Rud, Cheshmeh Kileh, Kargan Rud and Astara ...
Najjar Lashgari, Saltanat
core  

The genetic structure and phylogenetics of pikeperch (Sander lucioperca) Anzali and Amirkolaye wetlands and perch (Perca fluviatilis) populations in Aras Dam and south-west of the Caspian Sea [PDF]

open access: yes, 2009
The genetic structure of pikeperch (Sander lucioperca) and perch (Perca fluviatilis) populations was studied using microsatellite technique. A total of 207 specimens of adult pikeperch were collected from Aras dam (57 specimens), Anzali wetland (50 ...
Gharibkhani, Mahtab
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The genetic diversity of Acipenser stellatus populations in the Caspian Sea was studied using microsatellite technique [PDF]

open access: yes, 2007
A total of 361 caudal fin samples were collected from adult A. stellatus specimens caught in the north Caspian Sea, including specimens from Kazakhstan (Ural River), Russia (Volga River), Azerbaijan (Kura River), specimens caught in the south Caspian ...
Noroozi, Mehrnoosh
core  

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