Journal Article 5 root turnover minirhizotron 3 Research Support, U.S. Gov't, Non-P.H.S. 2 Soil 2 fine roots 2 142M471B3J 1 mehr ... Carbon Dioxide 1 Carbon Radioisotopes 1 Fertilizers 1 N762921K75 1 Nitrogen 1 Research Support, Non-U.S. Gov't 1 Review 1 Vitis labruscana (Concord grape) 1 arctic 1 bomb-radiocarbon 1 free-air CO2 enrichment 1 growing season length 1 model 1 mycorrhiza 1 net primary productivity (NPP) 1 northern distribution limit 1 plant-soil 1 progressive nitrogen limitation 1 radiocarbon 1 root age 1 root biomass 1 root browning 1 root economics spectrum 1 weniger ...