Material in this section originates from the following categories in our Subject Index:

Nitrogen (Progressive Limitation Hypothesis: Grasslands)

Summary

* -- Growth Enhancement Due to Elevated CO2 in a Semi-Arid Grassland

CO2 Effects on Grassland Soil Microorganisms

Aggrading Ecosystems Require More Nitrogen ... and Find It

The Role of Soil Nitrogen in Perennial Grassland Response to Elevated CO2

Does Enhanced Transfer of Carbon to Soil Microbes Increase Nitrogen Immobilization and Restrict the Long-Term Growth Response of Grasslands to Atmospheric CO2 Enrichment?

Response of a Nutrient-Poor Low-Productivity Calcareous Grassland to Atmospheric CO2 Enrichment

Determining the Growth Response of Trees to Elevated CO2:
The Need for Long-Term Experiments