| Earthworm castings
| Danneberger, Karl. 2008. Northern Ohio Turf. December. 50(9): p. 15.
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| Looking ahead: Timing keys for pre-emergent applications
| Gardener, David; Danneberger, Karl. 2008. Northern Ohio Turf. March/April. 50(2): p. 14.
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| New fungicide- insignia
| Boehm, Michael; Rimelspach, Joseph. 2003. Northern Ohio Turf. December. 45(9): p. 19.
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