نتایج جستجو برای: iran. during three consecutive growing seasons

تعداد نتایج: 3033062  

Journal: :IOP conference series 2022

Abstract Pests and diseases are significant factors that affecting global rice production. There is a need pests have continuously been controlled, in order to solve the pest disease problem. The aim of this study was observe population dynamics infestation lowland field during different cropping seasons. data Pati District, Central Java Province, Indonesia Rainy Season (RS) 2018/2019, Dry (DS)...

2016
Lameck O. Odhiambo Suat Irmak L. O. Odhiambo S. Irmak

Surface energy balance components, including actual evapotranspiration (ET), were measured in a reducedtill maize-soybean field in south central Nebraska during three consecutive non-growing seasons (2006/2007, 2007/2008, and 2008/2009). The relative fractions of the energy balance components were compared across the non-growing seasons, and surface coefficients (Kc) were determined as a ratio ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1388

assigning premium to the insurance contract in iran mostly has based on some old rules have been authorized by government, in such a situation predicting premium by analyzing database and it’s characteristics will be definitely such a big mistake. therefore the most beneficial information one can gathered from these data is the amount of loss happens during one contract to predicting insurance ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده علوم اجتماعی 1393

the present study is paid to the evaluation of the welfare program of the unemployment insurance in iran. the main purpose which was the main reason for performing this thesis, was the unemployment insurance plan’s challenges in iran such as financial problems of this plan, prolongation of the credit receipt for some insured people, unemployment slow exiting from the unemployment insurance fund...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز 1381

‏‎the community dynamics of aquatic coleoptera(insecta)in one of the spring-stream habitats of bammo national park in fars province called cheshmeh-ye-ghanbari is studied as a pilot project and model for acquaintance with and furthering the biodiversity studies on fauna of iran. sixteen species-populations out of nineteen of this community were already identified for their taxonomy and for thei...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

the caspian sea contains great resources of oil and gas. the caspian sea is a 700- mile- long body of water in central asia, land located between azerbaijan, iran, kazakhstan, russia and turkmenistan. iran was challenges and opportunities in the caspian region. key question in this thesis includes three section that first question, opportunities of iran in the caspian region, second question ch...

Journal: :Journal of nematology 1980
L S Schnabelrauch K C Sink G W Bird F F Laemmlen

Field population densities of Ditylenchus dipsaci associated with shoot tissue of Phlox subulata were monitored during two consecutive growing seasons and intervening periods of overwintering and plant storage. The population density increased significantly through four peaks during the first growing season, and decreased significantly during storage at 5-7 C or overwintering in the field. Duri...

Journal: :چغندرقند 0
مهدی شهابی‏فر استادیار بخش تحقیقات آبیاری و فیزیک خاک مؤسسه تحقیقات خاک و آب ـ محمدحسین رحیمیان مربی پژوهشی مرکز تحقیقات کشاورزی و منابع طبیعی خراسان رضوی

for determining sugar beet water requirements, this work was conducted at the  agricultural research station of torog in mashhad for 3 years. crop water requirement was measured by a drainage type lysimeter with dimension of 2*2*1 m. in order to reduce side effects, an area about 1600 m2 around the lysimeter (as a guard) was cultivated with sugar beet. soil water content was measured by tensiom...

20042005200620072008200920102011201220132014201520162017201820192020202120222023050000100000150000200000

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید