Wood Chips: This material contains bark and pieces of ground up wood of various sizes and makes an attractive mulch. A 2- to 3-inch layer of wood chips provides good weed control. Small wood chips decompose very rapidly using nitrogen from the soil, which needs to be replaced by nitrogen fertilizer.
Business Roundtable is an association of chief executive officers of leading U.S. companies working to promote a thriving economy and expanded opportunity for all Americans through sound public policy.
Roundtable structures can be used to brainstorm ideas and to generate a large number of responses to a single question or a group of questions. 1  Faculty poses question. 2  One piece of paper and pen per group. 3  First student writes one response, and says it out loud.