Food for Thought: Lower-Than-Expected Crop Yield Stimulation with Rising CO <sub>2</sub> Concentrations

P. Long, Stephen; A. Ainsworth, Elizabeth; D. B. Leakey, Andrew; Nösberger, J.; R. Ort, Donald

doi:10.1126/science.1114722

Public

Food for Thought: Lower-Than-Expected Crop Yield Stimulation with Rising CO 2 Concentrations

Published in Science • Jun 30, 2006

Authors:

Stephen P. Long

Elizabeth A. Ainsworth

Andrew D. B. Leakey

Abstract

Model projections suggest that although increased temperature and decreased soil moisture will act to reduce global crop yields by 2050, the direct fertilization effect of rising carbon dioxide concentration ([CO2]) will offset these losses. The CO2 fertilization factors used in models to project fu...

Subject

Environmental science

Climate change

Human fertilization

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