Energy analysis of agroecosystems seems to be a promising approach to assess

environmental problems and their relations to sustainability. The aim of the present study was to

compare bean, lentil, irrigated ...

face to face questionnaire. The results revealed that wheat production consumed a total of 37694.6 MJ/ha of which fertilizers was 52.8%, followed by diesel fuel (15.3%). Output-input energy ratio and energy productivity were found to be 2.9 and 0.21 kg...

. The results revealed that tomato production consumed a total of 65,238.9 MJ/ha of which fertilizers

were 50.98% followed by water for irrigation (20.67%). Output-input energy and energy productivity were found to be

0.59 and 0.74 kg...

production systems in terms of energy efficiency, energy intensiveness, energy productivity, benefit to cost ratio and amount of renewable and non-renewable energy uses. Data were collected from 128 and 16 open field and greenhouse tomato growers...

Iran is a developing country with a population of over 80 million. The total daily MSWs production in Iran is about 50 million kg. Most of the MSWs in this country is being disposed of in the landfills. Some of the landfills ...

Unsustainable groundwater withdrawal is a major challenge facing semi-arid and arid regions of the world,where groundwater is the primary source of irrigation water. Conversion of some agricultural land to fallow land is ...

در سال‌های اخیر ارزیابی انرژی ورودی و خروجی و پتانسیل گرمایش جهانی در بین محققان بخش کشاورزی جایگاه ویژه‌ای پیدا کرده است. جهت انجام این بررسی از طریق مصاحبه با کشاورزان مختلف، 95 کشاورز تولید کننده سیب‌زمینی (Solanum ...

The purpose of this research was to evaluate technologies converting biomass to biofuels through the multi-criteria decision-making (MCDM) approach. To this end, first a comprehensive framework of criteria affecting the ...