نتایج جستجو برای: 1 maximum was 21179 mj ha

تعداد نتایج: 5595690  

2006
Silvio KOŠUTIĆ Dubravko FILIPOVIĆ Zlatko GOSPODARIĆ Stjepan HUSNJAK Igor KOVAČEV Krešimir ČOPEC

The paper presents comparison of three soil tillage systems in maize, winter wheat and soybean growing on anthropogenic Albic Luvisol in north-west Slavonia, Croatia, during 1996-1999. Tillage systems and implements were: 1. conventional system (CT)-plough, disc-harrow and combined implement, 2. conservation system (RT)-chisel plough and multitiller, 3. no-till system (NT). The aim of testing w...

Journal: :journal of agricultural science and technology 0
m. yildirim department of agricultural structures and irrigation, canakkale onsekiz mart university, faculty of agriculture and design, 17020, canakkale, turkey. k. demirel canakkale onsekiz mart university, faculty of architecture and design, 17020, canakkale, turkey. e. bahar ataturk soil, water and agricultural meteorology research station directorate, 39010 kırklareli, turkey.

this study assessed the optimum water need of pepper (capsicum annuum l. cv. california wonder) and the critical irrigation level to be applied in order to achieve a reasonable economic yield in water shortage conditions. in a controlled field experiment involving five different treatments, seasonal evapotranspiration for pepper fluctuated from 89 mm in the severe stress treatment (i0.00) to 1,...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده کشاورزی 1393

در این پژوهش به بررسی و تعیین میزان انرژی مصرفی و هزینه¬های تولید میوه¬ی¬ انار در شهرستان بهشهر پرداخته شده است. اطلاعات از طریق پرسش¬نامه و مصاحبه¬ی حضوری با 83 باغ¬دار انار جمع آوری شد. مجموع انرژی نهاده های مصرفی و انرژی خروجی در تولید محصول به¬ترتیب mj/ha 06/11195 و mj/ha 56/13276 به¬دست آمد و دو نهاده¬ی سوخت و کودهای شیمیایی به¬ترتیب با 81/45 و 47/23 درصد، پرمصرف ترین نهاده های انرژی در تو...

2015
Mohammad Ali Rajaeifar Asadolah Akram Barat Ghobadian Shahin Rafiee Mohammad Davoud Heidari

In this study the energy and economic flows and greenhouse gas (GHG) emissions of olive oil production in Iran were investigated in terms of a life cycle assessment with considering four main stages of agricultural olive production, olive transportation, olive oil extraction and its oil transportation to the customer centers. Data was collected from 150 olive growers in Guilan province of Iran....

The present study attempts to investigate the potential relationship between input energies, performance production of greenhouse basil, and greenhouse gases emitted from this product. The data were collected from 24 greenhouses using a questionnaire and verbal interaction with farmers. Results of the study showed that the total input energy and total output energy for basil production were 119...

Journal: :Selcuk journal of agriculture and food sciences 2022

In this research, the energy use efficiency (EUE) and greenhouse gas emissions (GHG) of cotton cultivation in Beşiri district Batman province Turkey were determined. This research was conducted through face-to-face surveys with 64 farms selected by simple random sampling method 2018-2019 season. The input (EI) output (EO) calculated as 52,302.62 MJ/ha 60,341.03 MJ/ha. Energy inputs consist elec...

Journal: :The Science of the total environment 2015
Panos Panagos Cristiano Ballabio Pasquale Borrelli Katrin Meusburger Andreas Klik Svetla Rousseva Melita Perčec Tadić Silas Michaelides Michaela Hrabalíková Preben Olsen Juha Aalto Mónika Lakatos Anna Rymszewicz Alexandru Dumitrescu Santiago Beguería Christine Alewell

Rainfall is one the main drivers of soil erosion. The erosive force of rainfall is expressed as rainfall erosivity. Rainfall erosivity considers the rainfall amount and intensity, and is most commonly expressed as the R-factor in the USLE model and its revised version, RUSLE. At national and continental levels, the scarce availability of data obliges soil erosion modellers to estimate this fact...

Journal: :چغندرقند 0
جعفر غلامی قجلو دانشجوی کارشناسی ارشد مکانیزاسیون کشاورزی دانشگاه شهرکرد داود قنبریان استادیار دانشکده کشاورزی دانشگاه شهرکرد علی ملکی استادیار دانشکده کشاورزی دانشگاه شهرکرد مهدی ترکی هرچگانی دانشجوی دکتری دانشگاه شهرکرد

the objectives of this study were to determine the energy use efficiency and economical potential of sugar beet production in miandoab city, west azerbaijan province in 2011-12. fields were classified into three groups as group i (less than 1 ha), group ii (1-2 ha), and group iii (more than 2 ha). inputs and outputs data were collected from growers using questionnaire and interview methods. res...

Journal: :journal of agricultural science and technology 2012
r. pahlavan m. omid a. akram

this study was conducted to determine a relationship between energy input and yield in greenhouse basil production in esfahan province, iran. data were collected from 26 greenhouse basil producers through a face-to-face questionnaire. the data collected belonged to the production period of 2009–2010 with the following results obtained. a total energy input of 236,057 mj ha-1 was estimated to be...

Journal: :مهندسی بیوسیستم ایران 0
محمدعلی رجایی فر کارشناس ارشد، گروه مهندسی مکانیک ماشین های کشاورزی، دانشگاه تهران، ایران اسداله اکرم دانشیار مهندسی مکانیک ماشین های کشاورزی، دانشگاه تهران، ایران برات قبادیان دانشیار مهندسی مکانیک ماشین های کشاورزی دانشگاه تربیت مدرس، ایران شاهین رفیعی استاد مهندسی مکانیک ماشین های کشاورزی دانشگاه تهران، ایران رضا عبدی دانشیار، گروه مهندسی بیوسیستم، دانشکدۀ کشاورزی، دانشگاه تبریز، ایران

the aims of this study were to assess the energy and economic flows of biodiesel production from olive pomace oil using transesterification method with ultrasound waves. for this purpose biodiesel production from this feedstock were examined through a life-cycle process with considering five main stages of agricultural production, transportation, olive oil extraction, pomace oil extraction and ...

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