Soil Fertility Paradigms Evaluated through Collaboration On-Farm and On-Station

Project Overview

Project Type: Research and Education
Funds awarded in 1998: $59,027.00
Projected End Date: 12/31/2002
Matching Federal Funds: $40,300.00
Matching Non-Federal Funds: $25,956.00
Region: North Central
State: Iowa
Project Coordinator:
Dr. Rick Exner
Practical Farmers of iowa

Annual Reports


  • Agronomic: corn, oats, soybeans


  • Crop Production: organic fertilizers
  • Education and Training: demonstration, farmer to farmer, on-farm/ranch research, participatory research
  • Farm Business Management: budgets/cost and returns
  • Production Systems: general crop production
  • Soil Management: organic matter, soil analysis, nutrient mineralization, soil quality/health
    Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture or SARE.