News of the WeekGeochemistry

Unsuspected Underground Nitrates Pose a Puzzle for Desert Ecology

Science  07 Nov 2003:
Vol. 302, Issue 5647, pp. 969
DOI: 10.1126/science.302.5647.969a

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On page 1021, a team reports that desert subsoils in the southwestern United States contain much more nitrogen than previously estimated, a finding that raises questions about how desert ecosystems work.