نتایج جستجو برای: 11572 and 5587 mj ha

تعداد نتایج: 16847032  

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1391

انرژی مصرفی در بخش کشاورزی با هدف تولید و فرآوری محصولات، به منظور ایجاد ارزش افزوده بسیار حائز اهمیت است. از طرف دیگر کشت گلخانه ای صنعت در حال رشد بسیاری از کشورها است و به دلیل تولید در خارج از فصل رشد، دارای مصرف انرژی بسیار بالایی می باشد. بررسی اثرات انرژی در تولید محصولات کشاورزی به بالا بردن میزان تولید و بهره وری، و سودآوری اقتصادی کمک می نماید. استان همدان یکی از مهم ترین مناطق کشاورز...

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: :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...

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....

In current research, energy efficiency and technical efficiency of wheat farmers were calculated in Mazandaran province. To estimate technical efficiency the Stochastic Nonparametric Envelopment of Data (StoNED) was used. The model incorporating nonparametric data envelopment analysis model which contain the smoothness and concavity constraints with stochastic frontier analysis model. The requi...

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...

2010
Yuri Amelin

. clicking here colleagues, clients, or customers by , you can order high-quality copies for your If you wish to distribute this article to others . here following the guidelines can be obtained by Permission to republish or repurpose articles or portions of articles (this information is current as of September 10, 2010 ): The following resources related to this article are available online at ...

Journal: :بوم شناسی کشاورزی 0
سلمان دستان افشین سلطانی قربان نورمحمدی حمید مدنی

the objectives of this study was to estimation of greenhouse gases (ghg) emissions and global warming in rice production and identify measures to reducing fossil energy use and greenhouse gases emissions. three rice production systems included sri, improved and conventional were studied. all activities, field operation and data in production methods and differents inputs rates were monitored an...

بنایان, محمد , حسن زاده اول, فاطمه , میرهاشمی, سیده ملیحه , کاظمی, محمد ,

In ecological or sustainable intensification, increasing the agricultural productivity and enhancing ecosystem services is possible through improving resource and input-use efficiency. In order to estimate the radiation use efficiency and radiation interception of Fenugreek (Trigonella foenum-graecum) under different treatments of animal manure, a completely randomized block design with three r...

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