Report on the mission to PRESCO oil palm estates (Nigeria) 19 to 23 November 2003

Bonneau Xavier. 2004. Report on the mission to PRESCO oil palm estates (Nigeria) 19 to 23 November 2003. Montpellier : CIRAD-CP, 47 p. N° de rapport : CP_SIC 1695

Résumé : At Obaretin, leaf contents in the plots switched to organic fertilization since 2000 are holding up compared to those in plots that are still receiving mineral fertilization. At Cowan, there has been a virtually general drop in leaf K contents. We propose halting fertilization in ageing plots due to be felled within 2 years. For young palms (3 to 6 years) and mature palms (over 6 years) we propose a fertilizer schedule strengthened in potassium. Reference trial PR CP 01 (KCI at 4 rates x TSP at 2 rates x kieserite at 2 rates) is showing the beginnings of a yield response to potassium fertilization, 4 years into the trial, in terms of average bunch weight, whilst leaf K contents are classed in order of increasing KCI rate, but at low levels (0.74% K for the highest rate K3). Two new trials are proposed: one for planting density, and another for land preparation (subsoiling and gypsum application).

Auteurs et affiliations

• Bonneau Xavier, CIRAD-CP-COCOTIER (FRA)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/520751/)

Métriques

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