Relationships between land use, fertility and andisol behaviour : examples from volcanic islands

Perret Sylvain, Dorel Marc. 1999. Relationships between land use, fertility and andisol behaviour : examples from volcanic islands. Soil Use and Management, 15 (3) : pp. 144-149.

Journal article ; Article de revue à facteur d'impact
Published version - Anglais
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Abstract : Soils developed on voIcanic parent materials have many intrinsic qualities favourable to cropping. Howerer, fertility decreases dramatically when they are badly managed. A short review and case studies from Reunion and Guadeloupe highight the special characteristics of these soils, and their response to management. The interplay of cropping systems and physical characteristics of Andisols is first considered through the example of #Pelargonium# and food crop systems in Reunion. Progressive decrease in production and cropping potential shows in falling yields as well as in the overall decline of the system. The example of banana production in Guadeloupe highights the increase in inputs needed to realise the land's potential and to maintain yields, in particular more tillage and pest treatment. In both cases, these trends are connected to the co-evolution of soil characteristics and cropping systems. They lead to an increase of risks with less security and less scope in the choice of cropping systems. Technical solutions in the form of erosion-control measures, rotation and planting techniques have been developed and prove to be relevant and consistent in their benefit. (Résumé d'auteur)

Mots-clés Agrovoc : Musa, Système de culture, Fertilité du sol, Andosol, Pelargonium, Propriété physicochimique du sol, Utilisation des terres, Sol volcanique

Mots-clés géographiques Agrovoc : Réunion, Guadeloupe

Classification Agris : P33 - Soil chemistry and physics
P35 - Soil fertility
F08 - Cropping patterns and systems

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