Funded by:  Washington State Department of Ecology and Northwest Biosolids Management Association                                                   Return to top

Managing N from Biosolids April, 1999 by: Dr. Charles Henry, University of Washington Dr. Dan Sullivan, Oregon State University Dr. Robert Rynk, University of Idaho Kyle Dorsey, Washington Department of Ecology Dr. Craig Cogger, Washington State University Manual cover Foreword and Table of Contents Chapters Chapter1. Introduction Chapter2. The Nitrogen Cycle Chapter3. Overview of the Nitrogen Balance Approach and Guidelines for Reducing Risks of Nitrate Leaching Chapter4. Using the Nitrogen Balance Approach for Estimating Net Plant-Available Nitrogen from Biosolids Chapter5. Using the Nitrogen Balance Approach for Agricultural Systems Chapter6. Using the Nitrogen Balance Approach for Forest Systems Chapter7. Using the Nitrogen Balance Approach for Rangelands Chapter8. Overview of the Balanced Soil Amendment Approach for Mixtures of Biosolids and Carbon-Rich Residuals Chapter9. Analysis of Nitrogen in Soils and Biosolids Appendices A. Glossary B. Abbreviations & Symbols C. Matrix Tables of Local Research Results Pacific Northwest biosolids Research Results: Mineralization Pacific Northwest biosolids Research Results: Volatilization Pacific Northwest biosolids Research Results: Denitrification D. Nitrogen Mineralization Study E. Ammonia Volatilization Study F. Verifying Biosolids N Availability with Crop Uptake Research G. Pacific Northwest Agricultural Biosolids Management References