TY  - RPRT
TI  - Vitality and chemistry of roots of red spruce in forest floors of stands with a gradient of soil Al/Ca ratios in the northeastern United States
AU  - P.M. Wargo
AU  - K. Vogt
AU  - D. Vogt
AU  - Q. Holifield
AU  - J. Tilley
AU  - G. Lawrence
AU  - M. David
PY  - 2003
DO  - 10.1139/x02-195
UR  - https://pubs.usgs.gov/publication/70025774
ID  - 70025774
ER  -