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- Publications
- Influence
Changes in prairie vegetation under elevated carbon dioxide levels and two soil moisture regimes
- D. Nie, M. Kirkham, L. Ballou, D. Lawlor, E. T. Kanemasu
- Environmental Science
- 1 October 1992
It is important to know how increasing levels of atmospheric CO2 will affect native vegetation. The objective of this study was to determine the effect of elevated CO2 concentrations on species… Expand
Leaf Photosynthesis Water Use of Big Bluestem under Elevated Carbon Dioxide
- M. Kirkham, H. He, Terry Bolger, D. Lawlor, E. T. Kanemasu
- Biology
- 1 November 1991
With the atmospheric concentration of CO 2 increasing, it is important to know how this will affect crop growth. The objective of the study was to determine the effect of elevated CO 2 on big… Expand
Photosynthesis and Water Relations of Big Bluestem (C 4 ) and Kentucky Bluegrass (C 3 ) under High Concentration Carbon Dioxide
- H. He, M. Kirkham, D. Lawlor, E. T. Kanemasu
- Biology
- 1 April 1992
As the carbon dioxide (CO2) concentration in the atmosphere increases, comparing how C3 and C4 plants will respond is important. The objective of this study was to determine the photosynthetic rate,… Expand
Seed Production Environment Influence on the Base Temperature for Growth of Sorghum Genotypes
- D. Lawlor, E. T. Kanemasu, W. Albrecht, D. Johnson
- Biology
- 1 May 1990
(...) The effect of location (environment) on the base temperature for growth of sorghum [Sorghum bicolor (L.) Moench] genotypes was studied. Seeds of six sorghum genotypes were obtained from three… Expand
Symbol and the Symbolic: Egypt, Science and the Evolution of Consciousness
- R. A. S. D. Lubicz, R. Lawlor, D. Lawlor, L. Lamy
- Psychology
- 1978
- 10
- 1
Canopy architecture, irradiance distribution on leaf surfaces and consequent photosynthetic efficiencies in heterogeneous plant canopies. Part 1. Theoretical considerations☆
- R. Myneni, G. Asrar, E. T. Kanemasu, D. Lawlor, I. Impens
- Mathematics
- 1 August 1986
Abstract The method of modelling horizontally heterogeneous canopies as assortments of geometrical objects for studying the solar radiant energy regime grossly undermines the architecture of plant… Expand