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Leaf Water Potentials and Light Transmission of Intercropped Sorghum and Soyabeans

Published online by Cambridge University Press:  03 October 2008

T. A. T. Wahua  and
D. A. Miller
T. A. T. Wahua
Affiliation:
Department of Agronomy, University of Illinois, Urbana, Ill. 61801, USA
D. A. Miller
Affiliation:
Department of Agronomy, University of Illinois, Urbana, Ill. 61801, USA
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Summary

In a field experiment to estimate water needs of intercropped sorghum and soyabeans, leaf water potential (LWP) and canopy light transmission were measured. Sorghum had 8–11% lower LWP when grown in mixture than alone, but soyabeans, shaded by sorghum had a higher LWP than in monoculture. Absolute LWP values suggest that only about 10% additional water would be required by the mixture compared with individual requirements of the aggressor species in a two-species mixture of this nature.

Type
Research Article
Information
Experimental Agriculture , Volume 14 , Issue 4 , October 1978 , pp. 373 - 380
Copyright
Copyright © Cambridge University Press 1978

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