Advances in Soil Science

This will be a regular volume in this series of critical review articles. They are: 1. Assessing and Managing Agricultural Nitrogen Losses to the Environment, by Smith, Schepers, and Porter. 2. Assessing and Modifying Ca and Al Levels in Acid Subsoils, by McCray and Sumner. 3. Applications of Electron Spin Resonance Spectroscopy in Soil Chemistry, by Senesi. 4. Microelectrophoresis Applied to the Surface Chemistry of Clay Minerals, by Harsh and Xu. 5. Applications of Luminescence Spectroscopy to Studies of Colloid-Solution Interfaces, by Traina.