Journal article
Carbon cost of root systems: an architectural approach
Plant and soil, v 165(1)
01 Jan 1994
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Root architecture is an important component of nutrient uptake and may be sensitive to carbon allocational changes brought about by rising CO₂. We describe a deformable geometric model of root growth, SimRoot, for the dynamic morphological and physiological simulation of root architectures. Using SimRoot, and measurements of root biomass deposition, respiration and exudation, carbon/phosphorus budgets were developed for three contrasting root architectures. Carbon allocation patterns and phosphorus acquisition efficiencies were estimated for Phaseolus vulgaris seedlings with either a dichotomous, herringbone, or empirically determined bean root architecture. Carbon allocation to biomass, respiration, and exudation varied significantly among architectures. Root systems also varied in the relationship between C expenditure and P acquisition, providing evidence for the importance of architecture in nutrient acquisition efficiency.
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Details
- Title
- Carbon cost of root systems: an architectural approach
- Creators
- Kai L. Nielsen - Pennsylvania State UniversityJonathan P. Lynch - Pennsylvania State UniversityAndrei G. Jablokow - Pennsylvania State UniversityPeter S. Curtis - The Ohio State University
- Publication Details
- Plant and soil, v 165(1)
- Publisher
- Kluwer Academic Publishers
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Mechanical Engineering and Mechanics
- Web of Science ID
- WOS:A1994PZ67100016
- Scopus ID
- 2-s2.0-51249165483
- Other Identifier
- 991020640572004721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Agronomy
- Plant Sciences
- Soil Science