Surface-based GPR underestimates below-stump root biomass
Crossref DOI link:
Update policy: https://doi.org/10.1007/SPRINGER_CROSSMARK_POLICY
Butnor, John R.
Samuelson, Lisa J.
Stokes, Thomas A.
Johnsen, Kurt H.
Anderson, Peter H.
González-Benecke, Carlos A.
Funding for this research was provided by:
U.S. Department of Defense (RC-2115)
Version of Record valid from 2015-12-10