Evolutionary trend of agricultural extension and education research topics: The Case of Purdue University

Agricultural educations have grate variation each year. Many research institutions and universities try to change main research topics for better responding to new problems in agriculture. Purdue University is considered as main university in the United States where are researching on new subjects in sciences especially in agriculture. Main objective of this paper is investigating evolutionary trend of agricultural extension and education research topics which can help researchers to be more familiar with new and emergency topics that are considered as new problems in agricultural sector. This research has focused on agricultural extension and education faculties in Purdue University. Comparative analytic method was used as research method. Finding show that many various topics such as land law in agriculture, drought, society food security, sustainability in agriculture ,… are researched in Purdue University and those agricultural students who are researching in agriculture science should be aware from new topics in their field of study to select better topics for research and study