The 2009 ASHS Annual Conference

Annette L. Chandler

Univ. of Florida, IFAS, Mid-Florida Res. and Educ. Cntr.
Environmental Horticulture
IFAS - MREC
2725 South Binion Road
Apopka, FL
USA 32703-8504

Papers:
Efficacy of Four Preemergence Herbicides Declines Over Time