Entomology, Ornithology & Herpetology: Current Research
Open Access
ISSN: 2161-0983
ISSN: 2161-0983
Cregg BM
Department of Horticulture, Michigan State University, East Lansing, MI 48824, USA.
| Dr. Bert Cregg conducts research and extension programs on tree physiology and management of nursery, landscape, and Christmas tree systems. Key research and extension program areas include: Slope restoration on urban freeways |