This document includes abstracts of 190 completed research projects in agricultural education from September 1, 1989 to August 31, 1990. They report on 102 masters' papers or theses, 40 doctoral dissertations, and 48 staff studies. Thirty-two institutions from 29 states are represented. Abstracts are listed alphabetically by state and within each state by author. Purposes and findings are included in the abstracts. Major subjects are adult education; agricultural education programs (curriculum, supervised agricultural experience programs); agricultural practices and the industry (agricultural mechanics/safety, innovation/adoption/integration, weed control); agriculture teachers (induction, needs/practices, satisfaction, teaching methods); aquaculture; curriculum and instruction in grades K-12; extension (4-H, technology, training); Future Farmers of America; international (agricultural education, extension, research needs/tools, teacher education); postsecondary/university programs (recruitment/enrollment, student teaching); rural schools/youth; secondary agriculture students (curriculum, recruitment/enrollment, student awareness); vocational agriculture programs; and vocational education. Following the abstracts is a section containing citations of research and development activities in progress. They are listed alphabetically by state and then by author and include title, type of project, and institution. ERIC document numbers for previous summaries and author and subject indexes to the abstracts are appended. (YLB)