نتایج جستجو برای: day gdd from sowing time to maturity

تعداد نتایج: 12049555  

Journal: :Journal of Agrometeorology 2021

Thermal unit indices have a strong correlation with the phenology, growth and yield of crops can be effectively used to select suitable crop cultivars for specific environmental conditions especially temperature. In this study, four mustard varieties (viz., 'BARI Sharisha-14', Sharisha-15', Sharisha-16' 'Tori-7') were grown in two consecutive growing assess impact thermal on development, variet...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1392

abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...

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...

2010

The paper shows that time-consistent, imperfectly targeted support to distressed institutions makes private leverage choices strategic complements. When everyone engages in maturity mismatch, authorities have little choice but intervening, creating both current and deferred (sowing the seeds of the next crisis) social costs. In turn, it is profitable to adopt a risky balance sheet. These insigh...

2009
Emmanuel Farhi Pricila Maziero Martin Schneider

The paper shows that time-consistent, imperfectly targeted support to distressed institutions makes private leverage choices strategic complements. When everyone engages in maturity mismatch, authorities have little choice but intervening, creating both current and deferred (sowing the seeds of the next crisis) social costs. In turn, it is profitable to adopt a risky balance sheet. These insigh...

Journal: :International Journal of Enviornment and Climate Change 2023

A field experiment was conducted on experimental farm of Dept. Agricultural Meteorology, Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani, Maharasthra, India during the kharif season 2015 under rainfed condition to find relationship pheno thermal and heat use efficiency indices with yield. The laid out in factorial randomized bock design five sowing dates (i.e. 25th, 26th, 27th, 28th 29th ...

Journal: :Atmosphere 2021

The thermal environment of a crop is one the prime factors enhancing growth and production by regulating its physiological processes at different phenophases. To study impact regime on spring–summer-grown black gram (variety Pant Urd 31), an experiment was conducted with sowing dates (from first to third week March), soil application cobalt (Co) foliar sprays potassium (K) boron (B) in various ...

Journal: :Journal of Agriculture and Plant Sciences 2023

Identifying the growth stages on oilseed rape accurately is essential for effective crop management. Two commonly used methods identifying are growing degree days (GDD) and BBCH scale, by measuring heat accumulation daily temperatures describes of plants. The main goal this research using a combination these methods, where can identify in production period. three-year field experiments 2015/16 ...

Journal: :تولیدات گیاهی 0
مجید آقاعلیخانی دانشیار گروه زراعت، دانشگاه تربیت مدرس تهران مرضیه صفری دانش آموخته کارشناسی ارشد گروه زراعت، دانشگاه تربیت مدرس تهران

given the important role of crop growth indices for explanation of cultivars yield differences in diverse environmental and agronomical circumstances, this experiment was conducted at research field of tarbiat modares university during 2007 growing season. experimental treatments were arranged in split-plot layout based on randomized complete blocks with four replications. in this research, sow...

Journal: :تولید گیاهان زراعی 0
مهدی جودی استادیار دانشکده کشاورزی و منابع طبیعی مغان- دانشگاه محقق اردبیلی

abstract in order to study of relationship between timing and duration of phenological events and grain yield of wheat plants, an experiment was performed at moghan college of agriculture and natural resources-university of mohaghegh ardabili research farm during 2010-2011. the plant materials (81 wheat cultivars) were evaluated using a simple lattice design with two replications under irrigate...

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