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A Comparison of Natural Rock Phosphate with Imported Cotton Fertilizer in Cotton/Cereal Rotations in Mali

Published online by Cambridge University Press:  03 October 2008

Robert B. Kagbo
Robert B. Kagbo
Affiliation:
OHV/USAID, Bamako, Mali
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Summary

On-farm trials were carried out in the Operation Haute Vallée project, Mali, to assess the possibility of replacing, partially or entirely, imported cotton fertilizer with natural rock phosphate from a local source, and to assess the residual effect on maize and sorghum grown after cotton. The maize/cotton sequence, although not normally used by Malian farmers, was more profitable than either pure cotton grown alone or a cotton/maize sequence when local rock phosphate was used instead of imported fertilizer.

Type
Research Article
Information
Experimental Agriculture , Volume 27 , Issue 3 , July 1991 , pp. 263 - 268
Copyright
Copyright © Cambridge University Press 1991

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References

REFERENCES

IER/IFDC (1986). Point sur les recherches par l'IFDC et l'IER sur la maximisation d'utilisation du phosphate de Tilemsi par les paysans maliens. Rapport de la campagne 1985 et première synthèse des resultats obtenus. Bamako, Mali: Institute d'Economie Rurale.Google Scholar
IFDC (1986). Annual Report. International Fertilizer Development Centre.Google Scholar
SAFGRAD (Semi-Arid Food Grains Research and Development project) (1984). Rapports des Campagnes. Bamako, Mali: Ministère de l'Agriculture.Google Scholar