John R. Butnor

Use of ground-penetrating radar to study tree roots in the southeastern United States

John R. Butnor, Jim Doolittle, L. W. Kress et al. · Tree Physiology · 2001 · 219 citations

Precision Agriculture, Environmental Monitoring, Engineering +19

Utility of Ground‐Penetrating Radar as a Root Biomass Survey Tool in Forest Systems

John R. Butnor, Jim Doolittle, Kurt H. Johnsen et al. · Soil Science Society of America Journal · 2003 · 213 citations

Radar, Biogeochemistry, Gpr Estimates +15

Reduction of forest floor respiration by fertilization on both carbon dioxide‐enriched and reference 17‐year‐old loblolly pine stands

John R. Butnor, Kurt H. Johnsen, Ram Oren et al. · Global Change Biology · 2003 · 131 citations

Carbon Sequestration, Biogeochemistry, Engineering +12

Aboveground sink strength in forests controls the allocation of carbon below ground and its [CO ₂ ]-induced enhancement

Sari Palmroth, Ram Oren, Heather R. McCarthy et al. · Proceedings of the National Academy of Sciences · 2006 · 128 citations · Full text

Leaf Area Index, Leaf Area Duration, Carbon Sequestration +13

EFFECT OF ELEVATED CO₂ON COARSE-ROOT BIOMASS IN FLORIDA SCRUB DETECTED BY GROUND-PENETRATING RADAR

Daniel B Stover, Frank P. Day, John R. Butnor et al. · Ecology · 2007 · 113 citations

Carbon Sequestration, Biogeochemistry, Environmental Monitoring +13