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METHANE and nitrous oxide are long-lived, radiatively active trace gases that account for ∼20% of the total anticipated atmospheric warming1. The atmospheric concentrations of both gases have… (More)
A modified root ingrowth method was developed to minimize destructive sampling in experiments with limited space, and used to estimate belowground net primary production and root tissue quality in a… (More)
SummaryA field experiment was conducted to determine whether selected nitrification inhibitors (encapsulated calcium carbide and dicyandiamide) and SOinf4sup-2-containing compounds [(NH4)2SO4 and… (More)
Information from field studies investigating the responses of roots to increasing atmospheric CO2 is limited and somewhat inconsistent, due partly to the difficulty in studying root systems in situ.… (More)
The direct and indirect effects of increasing levels of atmospheric carbon dioxide (CO2) on plant nitrogen (N) content were studied in a shortgrass steppe ecosystem in northeastern Colorado, USA.… (More)
This Technical Paper provides an overview and analysis of technologies and measures to limit and reduce greenhouse gas (GHG) emissions and to enhance GHG sinks under the United Nations Framework… (More)