Specifics of the agricultural entrepreneurship: economic, social, environmental aspects

Fishing lantern trawl; Environmental, social and economic aspects of the Oman Sea

Lanternfish is one of the most important and aquatic reserves in the Oman Sea. After the cessation of the fish lantern fishing project provided by foreign vessels owned by Iranian companies by the Iranian Fisheries Organization, the impact of the activity of foreign vessels on aquatic resources should be considered for reasons other than those envisaged in the contracts and research plans. Ligh...

the effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...

The Relationship between Social Skills and Agricultural Students' Attitude towards Entrepreneurship at University of Tehran

 The aim of this research was to investigate the relationship between social skills and agricultural students' attitude towards entrepreneurship at University of Tehran. The statistical population of the study contained of all M.Sc. students in agriculture faculty of Tehran University (N=450), from which 138 students were selected by using SPSS Sample Power software. Simple random sampling was ...

Social Economic Aspects of the Diaspora World

Environmental and Economic Aspects of Agro-forestry and Agricultural Systems in Chiapas, Mexico

Since traditional cost-benefit analysis does not include environmental variables in consideration, the concept of emergy was used to measure all direct and indirect energy to produce a product. In emergy analysis, environmental, social and economic variables are included and indexes are calculated for comparison for several systems. In this paper, emergy and financial ratios are used to determi...