Nitrogen availability in some Wisconsin forests: comparisons of resin bags and on-site incubations

Medicine & Life Sciences

• ammonium nitrate 100%
• Forests 82%
• Nitrogen 67%
• Ion Exchange Resins 65%
• Nitrates 60%
• Soil 29%
• Tracheophyta 25%
• Biomass 16%
• Accidental Falls 10%

Agriculture & Biology

• bags 63%
• nitrates 57%
• resins 56%
• nitrogen 40%
• ion exchange resins 34%
• ammonium 32%
• methodology 11%
• net primary productivity 11%
• hardwood forests 10%
• fine roots 9%
• coniferous forests 9%
• soil 8%
• biomass 5%

Earth & Environmental Sciences

• incubation 57%
• nitrate 49%
• nitrogen 41%
• comparison 28%
• ammonium 28%
• ion exchange 23%
• fine root 11%
• litterfall 10%
• net primary production 10%
• method 9%
• coniferous tree 8%
• soil 7%
• biomass 5%