Soil structure and mycorrhizae encourage black walnut growth on old fields
By: Felix Ponder, jr
Contributors: North Central Forest Experiment Station (Saint Paul, Minn.); United States. Forest Service
Series: USDA Forest Service research note NC ; 249
Publisher: Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Published: 1979
Place of publication: St. Paul, Minn
Language: eng
Subjects: Eastern black walnut; Pathogenic fungi; Soil structure
Notes: Bibliography: p. 4