A comparison of soil organic carbon stock in ancient and modern land use systems in Denmark

Agriculture & Biology

• agricultural land 32%
• agricultural soils 18%
• animal manures 62%
• arable soils 19%
• buried soils 23%
• carbon 10%
• carbon sinks 100%
• cattle production 20%
• degradation 10%
• Denmark 89%
• fallow 17%
• Germany 14%
• grazing 13%
• land use 80%
• mineral fertilizers 17%
• plows 40%
• soil 25%
• soil organic carbon 94%
• soil organic matter 31%
• soil surveys 24%
• swine production 19%

Earth & Environmental Sciences

• agricultural land 19%
• Bronze Age 18%
• carbon 4%
• carbon sequestration 7%
• carbon stock 89%
• cattle 8%
• comparison 34%
• decomposition 5%
• fallow 9%
• grazing 7%
• inorganic fertilizer 11%
• land use 55%
• long-term trend 8%
• manure 31%
• organic carbon 64%
• organic matter 11%
• pig 8%
• soil 35%
• soil survey 10%