Annual Centralia swine research update.
Cover title. Description based on: 12th Annual Swine Research Update Jan. 27, 1993. Subject(s): Swine - Research - Ontario - Congresses.
Ridgetown College of Agricultural Technology.
Annual Southwest Agricultural Conference
Description based on 6th (1999) issue. Cover title. 'A project of the Southwest Soil and Crop Improvement Association'--Cover. Includes advertisements. Some issues have individual titles. Subject(s): Agriculture - Ontario