Long-term agricultural management and erosion change soil organic matter chemistry and association with minerals

Earth & Environmental Sciences

• agricultural management 84%
• soil organic matter 65%
• erosion 46%
• speciation (chemistry) 17%
• hillslope 14%
• soil 14%
• topsoil 13%
• grassland 11%
• surface area 10%
• oxide 10%
• alternative agriculture 8%
• soil fertility 7%
• removal 7%
• management practice 6%
• transect 5%
• spectroscopy 5%
• fractionation 5%
• human activity 5%
• particle size 4%
• adsorption 4%
• iron 4%
• in situ 4%
• nitrogen 4%
• carbon 3%
• effect 1%
• method 1%

Engineering & Materials Science

• Biological materials 90%
• Minerals 69%
• Erosion 67%
• Soils 53%
• Chemical speciation 16%
• Organic minerals 16%
• X ray absorption near edge structure spectroscopy 8%
• Oxides 7%
• Fractionation 5%
• Adsorption 4%
• Particle size 4%
• Nitrogen 3%
• Iron 3%
• Sustainable development 3%
• Carbon 3%

Chemical Compounds

• Soil Organic Matter 100%
• Mineral 55%
• Chemistry 40%
• Soil 29%
• Chemical Speciation 18%
• Soil Fertility 11%
• Surface Area 8%
• Oxide 7%
• Fractionation 6%
• Chemical Transformation 4%
• Nitrogen 4%
• Adsorption 3%
• Carbon Atom 3%
• Amount 2%