From the Lafayette Community Garden website:
Building Healthy Soil
Lafayette Community Garden
Saturday, February 9th, 2013
1:30 – 3pm | FREE ($5 donation appreciated)Lori Caldwell, an educator on sustainable gardening from Martinez, invites you to bring a sample of your own soil and learn how to assess it. She will then guide us in ways to improve its health so it works for you. This 90-minute talk includes hands-on demonstration, handouts with references and tips and an opportunity to ask questions.