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Nature 449, 1000-1001 (25 October 2007) | doi:10.1038/4491000a; Published online 24 October 2007
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Senior Researcher in theoretical chemistry / physics
- Italian Institute of Technology
- Lecce, Italy
Post Doctoral Positions
- University of Saskatchewan
- Saskatchewan, Canada
Environmental science: Nutrients in synergy
Eric A. Davidson1 & Robert W. Howarth2
Abstract
A literature meta-analysis of the effects of nitrogen and phosphorus on plant growth prompts a thought-provoking inference — that the supply of, and demand for, these nutrients are usually in close balance.
The nutritional needs of plants start with carbon, hydrogen and oxygen, which they obtain from atmospheric gases and from water. They also require nitrogen (a constituent of all proteins) and phosphorus (not least as a component of nucleotides, including those in DNA and RNA).
- Eric A. Davidson is at the Woods Hole Research Center, 149 Woods Hole Road, Falmouth, Massachusetts 02540-1644, USA.
Email: edavidson@whrc.org - Robert W. Howarth is in the Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, New York 14853, USA.
Email: rwh2@cornell.edu
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