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Three years performance of a tolerant and a susceptible maize cultivar on non-amended and amended acid soil

Thé Charles, Calba Henri, Horst Walter J., Zonkeng Célicard. 2001. Three years performance of a tolerant and a susceptible maize cultivar on non-amended and amended acid soil. In : Plant nutrition : Food security and sustainability of agro-ecosystems through basic and applied research. Horst Walter J. (ed.), Schenk M.K. (ed.), Bürkert A. (ed.), Claasen N. (ed.), Flessa H. (ed.), Frommer W.B. (ed.), Goldbach H. (ed.), Olfs H.W. (ed.), Romheld Volker (ed.), Sattelmacher B. (ed.), Schmidhalter U. (ed.), Schubert S. (ed.), Wirén N. (ed.), W. ICPN. Dordrecht : Kluwer Academic Publishers, pp. 984-985. (Developments in Plant and Soil Sciences, 92) ISBN 0-7923-7105-4 International Plant Nutrition Colloquium. 14, Hanovre, Allemagne, 27 July 2001/3 August 2001.

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Autre titre : Performances sur trois ans d'un cultivar de maïs tolérant et d'un cultivar sensible sur sol acide amendé ou non amendé

Abstract : A long term agronomic experiment was conducted from 1996 to 2000 at Ebolowa, Cameroon. On the acid soil with high Al supply maize grain yield of the soil acidity-tolerant cultivar ATR-SR-Y was 61% higher compared to the sensitive cultivar Tuxpeno sequia. The annual application of 60 kg P ha-1 for three consecutive years did not significantly increase the grain yield of the soil acidity-tolerant cultivar. Except in the first year lime addition resulted in a significant increase of grain yield of the tolerant (82%) and particularly the susceptible cultivar (208%). This corresponded to a significant decrease in exchangeable Al and to a significant increase in pH and exchangeable Ca and Mg contents of the soil. The application of chicken manure or green manure (#Cassia septabilis# leaves) significantly increased maize grain yield. These increases in yield were partly attributed to an increase of exchangeable Ca and available P of the soil with chicken manure and to a decrease of exchangeable Al with the application of #Cassia septabilis# leaves. (Résumé d'auteur)

Mots-clés Agrovoc : Zea mays, Variété, Sol acide, Résistance aux facteurs nuisibles, pH du sol, Rendement des cultures, Engrais phosphaté, Chaulage, Fumier, Mulch vivant, Cassia, Toxicité du sol, Aluminium

Mots-clés géographiques Agrovoc : Cameroun

Mots-clés complémentaires : Cassia septabilis

Classification Agris : F04 - Fertilizing
F30 - Plant genetics and breeding
P35 - Soil fertility

Auteurs et affiliations

  • Thé Charles, IRAD (CMR)
  • Calba Henri, CIRAD-AMIS-AGRONOMIE (FRA)
  • Horst Walter J., Universität Hannover (DEU)
  • Zonkeng Célicard, IRAD (CMR)

Autres liens de la publication

Source : Cirad - Agritrop (https://agritrop.cirad.fr/508403/)

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