Legumes regulate grassland soil N cycling and its response to variation in species diversity and N supply but not CO₂

Agriculture & Biology

• grassland soils 100%
• legumes 58%
• species diversity 56%
• mineralization 26%
• soil 15%
• nitrates 11%
• global change 10%
• terrestrial ecosystems 5%
• grasslands 3%
• species richness 3%
• nitrogen 2%

Earth & Environmental Sciences

• grassland soil 91%
• species diversity 67%
• soil 13%
• nitrate 9%
• global change 8%
• rate 5%
• monoculture 5%
• effect 5%
• terrestrial ecosystem 4%
• functional group 4%
• species richness 3%
• grassland 3%
• nitrogen 2%

Chemical Compounds

• Soil 60%
• Nitrate 23%
• Ecosystem 12%
• Purity 10%
• Nitrogen 6%
• Environment 5%