Slide 1 1 Soil Carbon Sequestration: Long-term Effect of Tillage and Rotations Charles W. Rice and Karina Fabrizzi October 28-30, 2008 Kansas State University Slide 2 Global…
Slide 1 Key Economic Concepts Slide 2 1. Opportunity Cost Economic cost of a decision or action = direct cost + opportunity cost Opportunity cost = what else would you have…