نتایج جستجو برای: 73180 mj ha and 152 mj kg

تعداد نتایج: 16856401  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده کشاورزی 1390

روش کار بدین شرح بود که ابتدا از طریق مشاهدات میدانی و مطالعات دفترچه راهنماهای موجود، کلیه ی مصرف کننده های انرژی شناسایی شد. سپس از طرق مختلف بسته به انرژی مصرفی در هر مصرف کننده، میزان مصرف انرژی در هر کدام اندازه گیری شد. با در دست داشتن مصرف انرژی در کلیه ی واحدها، انرژی لازم برای ساخت هر کیلوگرم محصول چوب-پلاستیک محاسبه گردید. کل انرژی مصرفی برای ساخت هر کیلوگرم محصول چوب-پلاستیک برابر (...

Journal: :journal of agricultural science and technology 2014
h. r. mirzaei khalilabadi a. h. chizari m. dahajipour heidarabadi

as one of the most important products of iran, pistachio has a significant share in non-oil revenues. its annual foreign exchange earnings are over 800 million dollars. however, production of this nut in the country’s major production centers is faced with many problems regarding the efficiency and productivity of the inputs. this study was performed by using two-stage cluster sampling method. ...

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: :Plant science today 2023

Field experiments were carried out at the Agronomy Main Research Farm, O.U.A.T. Bhubaneswar, Odisha, India during 2019 and 2020 to find energetics economics of green gram as influenced by varying land configuration nutrient management practices. Split-plot Design was adopted with three replications. Results experiment showed that raised bed method PDM-139 cultivar in combination F6 treatment ga...

D. Zahmatkesh, E. Mahjoubi, H. Mirzaei-Alamouti M. Zeynali P. Seefedpari

The aim of this study was to compare energy consumption in dairy farms with different sizes. Sources of energy include non renewable sources such as fossil fuel, and electricity and renewable sources such as forage, concentrate, machinery, labor, and water. The required data were collected from 42 dairy farms in Tehran province, Iran and were analyzed to assess energy consumption based on diffe...

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....

2010
Seong-Won Kim Young-Hyuk Kwon Jong-Hyuk Chung Seung-Il Shin Yeek Herr

PURPOSE The present study was performed to evaluate the effect of erbium:yttrium-aluminium-garnet (Er:YAG) laser irradiation on the change of hydroxyapatite (HA)-coated implant surface microstructure according to the laser energy and the application time. METHODS The implant surface was irradiated by Er:YAG laser under combination condition using the laser energy of 100 mJ/pulse, 140 mJ/pulse...

Journal: :Selcuk journal of agriculture and food sciences 2023

In the study, mean germination time (MED) was determined as 16.6 days, 21.08 and 9.75 days in traditional sowing method, cross double row method Parallel planting respectively, rate index (ERI) same order. It found 0.31 - 0.52 0.40 pieces/m.day. Grain yield 15260 kg/ha 22330 18300 parallel method. As a result of experiments calculations, net energy to be 297,353.23 Mj/ha, 238.986.57 194.782.97 ...

Journal: :Journal of animal science 1999
Y Ramonet M C Meunier-Salaün J Y Dourmad

Twelve pregnant, multiparous sows were assigned during gestation to three dietary treatments in a 3 x 3 Latin square design to evaluate the effect of increasing levels of crude fiber (CF): a conventional diet low in CF (L, 15.8 MJ DE/kg of DM, 3.3% CF), a diet with a medium level of CF (M, 14.4 MJ DE/kg of DM, 10.6% CF), and a high-fiber diet (H, 12.9 MJ DE/kg of DM, 18.1% CF). The daily feed s...

Journal: :International journal of agriculture, environment and food sciences 2021

Due to global climate change, greenhouse gas (GHG) analyzes for agricultural production systems are becoming more common with energy analyzes. In this study, carbon dioxide (CO2) emissions in the Harran Plain due fuel consumption first crop seed corn were evaluated. A total of 100 face-to-face surveys conducted a producers and data collected on processes. The calculations determine CO2 released...

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