Overholt Drainage School-1999
Archbold, Ohio.March 15-19

General Information

This Program is presented by the Overholt Drainage Education and Research Program, Department of Food, Agricultural and Biological Engineering, and Ohio State University Extension, in cooperation with the USDA-Agricultural Research Service, Soil Drainage Research Unit; Natural Resources Conservation Service; Department of Agricultural Engineering, Michigan State University; Land Improvement Contractors' Associations in Ohio, Michigan and Indiana; and the Ohio MSEA/ASEQ for Midwest Water Management.

Sponsors

• Food, Agricultural and Biological Engineering, The Ohio State University
• Michigan State University
• USDA-ARS Soil Drainage Research Unit
• USDA-NRCS
• The Midwest Water Management ASEQ
  

Topics

• Agricultural Drainage and Subirrigation Systems
• Constructed Agricultural Wetlands
• signing Systems to Balance Production and Environmental Objectives

 

SESSION I -   March 15-16
SUBIRRIGATION DESIGN

2-Day Session
Monday 8:30 am through Tuesday until 9:00 pm (Sauder Village)

Requirements: Participants must have proper working knowledge of Surveying, Topographic Mapping, and Profiles. Knowledge and experience with Subsurface Drainage Design is a must.

Monday and Tuesday Evening Programs may be a continuation of the Classroom Instruction and Help Sessions, and some Specialty Topics: Computer Programs for Mapping, Site-Evaluation, Economics, Design, and Field Experiences.

Topics

• Overview
• Water Table Management
• Subsurface Drainage
• Controlled Drainage
• Subirrigation
• Constructed Agricultural Wetlands
• Field Site Visit (Shininger's farm)
• Introduction to Subirrigation
• Economics of Subirrigation
• System Operation Considerations
• Soil & Design Considerations
• Conducting Site Evaluation
• System Layout (Zones)
• Lateral Spacing Design
• Water Supply
• Electrical Considerations
• Conduit Grade and Size Design
• Design Problems
• Production Considerations
• Environmental Considerations

SESSION II March 17-18
AGRICULTURAL DRAINAGE DESIGN

2-Day Session
Wednesday 8:30 am through Thursday until 9:00 pm (Sauder Village)

Requirements: Participants should have proper working knowledge of Surveying, Topographic Mapping, and Profiles.

Topics

• Daytime Classroom Instruction
• Agricultural Drainage Status
• Water Movement in Soils
• Economics and Benefits of Drainage
• Standards and Specs for Design
• Field Evaluation/Survey for Design
• System Outlet Determination
• Soils Information for Design
• Design of Mains and Laterals
• Design Problems
• Team Design Projects/Presentations
• Wetland Considerations
• Economics/Benefits of Drainage

Note: Wednesday and Thursday evening may be a continuation of Classroom Instruction and Help Sessions, and some Specialty Topics: Drainage Materials, Equipment, and Installation Techniques.

SESSION III March 19
CONSTRUCTED AGRICULTURAL WETLANDS
WETLAND-RESERVOIR SUBIRRIGATION SYSTEMS

Friday 8:00 am to 4:00 pm (NW State Community College)

Requirements: Participants should have experience and interest in Soil and Water Conservation, BMPs, Constructed Wetlands, and Subsurface Drainage Systems Construction and Management.

Topics

• Daytime Classroom Instruction and possible Field Site Visits.
• Constructed Wetlands for Agriculture
• Theory Overview and Design Concepts
• Design Procedures
• Evaluating Design Plan
• Construction Considerations
• Wetland-Reservoir Subirrigation Systems
• Water Quality & Environmental Benefits
• Theory Overview and Design Concepts
• Design Procedures
• Evaluating Design Plan
• Construction Considerations
• Operation and Management
• Economics