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Decision aid toolsThe Crop Rotations Options ProgramThis computer software grew out of our attempts to analyze systematically the effects of changing management practices on whole farm nutrient balances and profitability. The program allows users to consider how various scenarios (enlarging a dairy herd, replacing nitrogen fertilizer with leguminous cover crops, adding or subtracting a farm enterprise, etc.) will affect overall nutrient balances and the bottom line. A user manual and training workshop have been offered to Extension Agents, crop consultants and others interested in using the program with clients. For further information contact Jon Baldock at agstat@aol.com or Josh Posner at jlposner@facstaff.wisc.edu Organic Matter Budgeter ProjectThis Michael Fields Agricultural Institute project aims to help farmers plan farming systems that maintain organic matter in soils while supplying sufficient nitrogen to crops. The budgeter uses both the CENTURY model for organic matter dynamics, and empirical data from WICST and several other sources to establish accurate coefficients for organic matter residue production and turnover. The budgeter is currently being field tested on a number of farms in Wisconsin and Illinois, including some using CS3 type rotations for participation in the Small Grains Initiative. The field tests will allow a comparison of the budgeter predictions to actual field-derived N budgets. Funding for this project has been obtained from the Sustainable Agriculture Research and Education (SARE) program and the Illinois Department of Agriculture. For further information contact Walter Goldstein at wgoldstein@mfai.org |
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