7440-44-0 2 Carbon 2 Journal Article 2 Soil 2 soil inventory Research Support, Non-U.S. Gov't 1 artificial neural network 1 mehr ... carbon cycle 1 carbon-climate feedback 1 climate change 1 ecosystem carbon 1 forest ecosystems 1 global change 1 soil nutrients 1 soil organic carbon 1 soil organic matter 1 subsoil 1 weniger ...