Responses of net ecosystem CO₂ exchange to nitrogen fertilization in experimentally manipulated grassland ecosystems

Earth & Environmental Sciences

• grassland ecosystem 100%
• nitrogen 48%
• ecosystem 47%
• leaf area index 26%
• lysimeter 23%
• growing season 23%
• photosynthetically active radiation 17%
• canopy 16%
• laboratory 10%
• root-shoot ratio 7%
• light use efficiency 7%
• biomass 6%
• terrestrial ecosystem 5%
• photosynthesis 4%
• carbon sequestration 4%
• fertilizer 4%
• effect 3%
• productivity 3%
• modeling 2%
• experiment 1%
• rate 1%
• method 1%

Agriculture & Biology

• grasslands 70%
• ecosystems 60%
• nitrogen 47%
• leaf area index 26%
• lysimeters 24%
• growing season 20%
• photosynthetically active radiation 17%
• canopy 16%
• Bromus tectorum 7%
• radiation use efficiency 6%
• terrestrial ecosystems 6%
• biomass 6%
• primary productivity 5%
• root shoot ratio 5%
• nitrogen fertilizers 4%
• photosynthesis 3%
• pretreatment 3%
• methodology 1%