abstractthe purpose of this study was to assess organizational and personnel structure in iranian agriculture extension system (iaes). the research instrument was a structural questionnaire including close-ended questions which its validity and reliability was confirmed by using expert panel and cranach’s alpha test, respectively. the statistical population of this research included all public ...

the extension of the modern irrigation systems (mis) has been considered as one of the mechanisms for increasing irrigation water use efficiency since 1990s in zanjan province. the main purpose followed in this descriptive - correlational study was to examine the factors influencing farmers’ adoption of mis in zanjan and khodabande townships of the province through a survey, making use of a str...

The urgent need to maintain ecosystem provisioning services and achieve urban sustainable development goals has led a long-standing focus on the driving effects of land urbanization (LU) in Middle Reaches Yangtze River Urban Agglomeration (MRYRU) vegetation cover system productivity. Previous studies have lacked consideration for long-term correlation between Gross Primary Productivity (GPP) ve...