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Effets D'Apports De Boues Activees Sur Mais Et Sur Sol Ferralitique

Author

Listed:
  • Clairon, Maurice
  • Giboulot, Marie-Christine
  • Sobesky, Odette

Abstract

Les apports annuels de 10 t.ha-1 matière sèche de boues activées de la station d'épuration de Jarry (Guadeloupe F.W.I.) entraînent des productions de matières sèches de Maïs Eto Amarillo (grains et pailles) supérieures au témoin avec fertilisations minérales. Il n'y a pas de modification du statut chimique du sol. Les apports biennaux de 100 t.ha-1 permettent d'obtenir des augmentations significatives de production de Maïs grains secs (55 à 65 qx.ha-1). Les teneurs en C, N, et Ρ du sol sont significativement augmentées ainsi que la C.E.C. (16 mèq pour le témoin à 24 mèq pour 100 g de sol avec 100 t.ha- 1). ----- Annual fertilizing of 10 t.ha-1 dry matter (d.m.) of activated sewage sludge from Jarry's station (Guadeloupe F.W.I.) induced dry matters productions of maize Eto Amarillo (grains and straws) upper the control with mineral fertilizers. There was no modification of the chemical status of the soil. Biennial fertilizing of 100 t.ha-1 d.m. gave significant increasing of grains dry matter production (55 - 65 qx.ha-1) compared with the control (40 qx.ha-1). N, C and Ρ content of the soil with 100 t.ha-1 activated sludge increased significantly ; C.E.C. level increased from 16 mèq (control) to 24 mèq/100 g dry soil (100 t.ha sewage sludge d.m.).

Suggested Citation

  • Clairon, Maurice & Giboulot, Marie-Christine & Sobesky, Odette, 1989. "Effets D'Apports De Boues Activees Sur Mais Et Sur Sol Ferralitique," 25th Annual Meeting, July 1-6, 1989, Gosier, Guadeloupe 259924, Caribbean Food Crops Society.
    • Handle: RePEc:ags:cfcs89:259924
    DOI: 10.22004/ag.econ.259924
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