Journal Article 2 Research Support, Non-U.S. Gov't 2 plant functions 142M471B3J 1 27YLU75U4W 1 Carbon Dioxide 1 Elements 1 mehr ... N762921K75 1 Nitrogen 1 Phosphorus 1 Research Support, U.S. Gov't, Non-P.H.S. 1 Soil 1 belowground ecology 1 ecosystem properties and processes 1 environmental gradients 1 global changes 1 macroelement 1 meta-analysis 1 microelement 1 natural environmental variation 1 nutrient balance 1 root traits 1 soil nutrient 1 spatial and temporal scales 1 trait causal relationships 1 trait covariation 1 weniger ...