Charles W. Marr

Greenhouse vegetable production: Hydroponic Systems

Charles W. Marr, C. Marr, 1994 .

Retaining Master Gardener Volunteers

Charles W. Marr, Larry Stouse, 1991 .

Choosing a chipper/shredder

Charles W. Marr, 1995 .

The composting process

Charles W. Marr, C. Marr, 1995 .