Soil structure and mycorrhizae encourage black walnut growth on old fields /

Bibliographic Details

Main Author:	Ponder, Felix
Corporate Authors:	North Central Forest Experiment Station (Saint Paul, Minn.), United States. Forest Service
Format:	Government Document Book
Language:	English
Published:	St. Paul, Minn.. : Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1979.
Series:	USDA Forest Service research note NC ; 249
Subjects:	Eastern black walnut. Pathogenic fungi. Soil structure.