the population consisted of 2202 students of college of agriculture and natural resources, university of tehranm karaj. 118 of students were selected by stratified random sampling. a questionnaire was developed to gather required data. the content validity of the questionnaire was established by faculty members at department of agricultural extension and education, university of tehran. a pilot...

This paper sets out to develop a framework for characterizing agricultural growth orientations. We identify four main components in the global food system (technology, institutions, people, and natural resources). Based on the extent to which any two of these components are important in driving the growth of agriculture, we distinguish four main orientations of agricultural growth: local food, ...

the state agricultural extension system (saes) due to serious limitations of finance, equipment and staff could not meet all the expectation of the farmers. use of unemployed young graduates' services as consultant, farm manager or farm supervisor has been considered as a solution to the problem and as an alternative, in recent years. this research was aimed at an evaluation of the extensi...

Introduction When working to promote sustainable agricultural development, the problems of access to the land and the productive use of natural resources are key ones. Scientists working on such problems at the agricultural systems level need to understand the interactions among diverse ecological and social factors and the dynamics in complex systems. Natural dynamics are composed of numerous ...

Bahram Peimani-Fard was born in 1941, in Yazd, Iran, where he completed his elementary, and high school education. He received his M.Sc. degree in Soil and Water Engineering from the Faculty of Agriculture, Shiraz University. Then, he was employed in the Range Improvement and Forage Supply Organization, affiliated with the Ministry of Agriculture to collaborate with Mr. Kernik, the FAO expert...