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Evaluation of Short and Tall Sorghum Varieties in Mixtures with Cowpea in the Sudan Savanna Of Nigeria: Land Equivalent Ratio, Grain Yield and System Productivity Index

Published online by Cambridge University Press:  03 October 2008

P. E. Odo
P. E. Odo
Affiliation:
Department of Crop Science, University of Maiduguri, PMB 1069, Maiduguri, Nigeria
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Summary

Physiomorphological differences between crops in binary mixtures can influence grain yield. A two year field study considered intra-row mixtures of two sorghum varieties, one short (KSV4) and one tall (Yarwasha), with cowpea at Maiduguri in Nigeria. The performance of the component crops depended largely on the relative proportion of cowpea and sorghum in the mixtures. Comparison of actual and expected land equivalent ratios suggested that mutual compensation and cooperation prevailed within mixtures in most instances. The system productivity index of mixtures where the proportion of sorghum: cowpea was 1:3 showed that their yield stability was greater than that of other sorghum-cowpea mixtures.

Combination de sorgol caupi en la Sabana del Sudan

Type
Research Article
Information
Experimental Agriculture , Volume 27 , Issue 4 , October 1991 , pp. 435 - 441
Copyright
Copyright © Cambridge University Press 1991

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References

REFERENCES

Andrews, D. J. (1972). Intercropping with Sorghum in Nigeria. Experimental Agriculture 8:139–150CrossRefGoogle Scholar
Baker, E. F. I. (1980). Mixed cropping in Northern Nigeria. IV. Extended trials with cereals and groundnuts. Experimental Agriculture 16:361–369.CrossRefGoogle Scholar
Beets, W. C. (1977). Multiple cropping of maize and soybeans under a high level of crop management. Netherlands Journal of Agricultural Science 25:95–102.CrossRefGoogle Scholar
Chetty, C. K. R. & Reddy, M. N. (1984). Analysis of intercrop experiments in dryland agriculture. Experimental Agriculture 20:31–40.CrossRefGoogle Scholar
Francis, C. A. (1981). Development of plant genotypes for multiple cropping systems. In Plant Breeding II (ed. Frey, J. K.). Iowa: The Iowa State University Press.Google Scholar
Krantz, B. A., Virmani, S. M., Sardar, S. & Rao, M. R. (1976). Intercropping for increased and more stable agricultural production in the semi-arid tropics. In Symposium on Intercropping in Semi-Arid Areas (Proceedings),Morogoro, Tanzania,10–12 May.Google Scholar
Norman, D. W. (1974). Rationalising mixed cropping under indigenous conditions: the example of Northern Nigeria. Journal of Development Studies II: 3–21.CrossRefGoogle Scholar
Norman, D. W. (1977). I. An Economic survey of Three Villages in Zaria Province: II. Input-Output Relationships. Ahmadu Bello University, Samaru, Nigeria.Google Scholar
Ntare, B. R. (1990). Intercropping morphologically different cowpeas with pearl millet in a short season environment in the Sahel. Experimental Agriculture 26:41–47.CrossRefGoogle Scholar
Odo, P. E., Maranville, J. W. & Clegg, M. D. (1989). Nitrogen uptake and efficiency of binary mixtures of sorghum and legumes. Applied Agricultural Research 4:213–221.Google Scholar
Osiru, D. S. O. & Willey, R. W. (1972). Studies on mixtures of dwarf sorghum and beans (Phaseolus vulgaris) with particular reference to plant population. Journal of Agricultural Science, Cambridge 79:531–540.CrossRefGoogle Scholar
Willey, R. W. (1979). Intercropping: Its importance and research needs. 1. Competition and yield advantages. Field Crop Abstracts 32:1–10.Google Scholar
Willey, R. W. & Osiru, D. S. O. (1972). Studies on mixtures of maize and beans (Phaseolus vulgaris) with particular reference to plant population. Journal of Agricultural Science, Cambridge 79:519–529.Google Scholar