Robert P. Karrfalt

Low cost, high tech seed cleaning

Robert P. Karrfalt, 2013 .

The USDA Forest Service National Seed Laboratory

Robert P. Karrfalt, 2006 .

Needs and Benefits of Nursery Accreditation

Robert P. Karrfalt, 2005 .

Methods for collecting ash (Fraxinus spp.) seeds

Kathleen S. Knight, Mary E. Mason, Robert P. Karrfalt, 2010 .

Acorn size effects seedling size at the Penn Nursery

Robert P. Karrfalt, 2005 .

Equilibrium relative humidity as a tool to monitor seed moisture

Robert P. Karrfalt, R. Karrfalt, 2010 .