Received for publication March 24, 1977. Maryland Agricultural Experiment Station, scientific article No. A2294, Contribution No. 5293.
The author gratefully acknowledges the assistance of Dr. E. Epstein and technicians of the Biological Waste Management and Soil Nitrogen Laboratory, Beltsville, Md. and Dr. J. M. Walker, formerly of that laboratory, who advised and supplied the compost; the staff at the Buckingham State Forest Nursery in growing and harvesting the seedlings and the Soil Testing Laboratory, Dept. of Agronomy, Univ. of Maryland, College Park, for soil testing analyses; and to Dr. J. Kundt, Dept. of Horticulture, Univ. of Maryland, College Park, for harvesting and grading seedlings.