Publications Scientifiques

[ Article ] Model parametrization to access pineapple variety ‘’Smooth cayenne’’ nutrient status in Benin (West Africa)

Date de soumission: 18-02-2020
Année de Publication: 2011
Entité/Laboratoire Laboratoire des Sciences du Sol (LSS)
Document type : Article
Discipline(s) : Sciences du sol
Titre Model parametrization to access pineapple variety ‘’Smooth cayenne’’ nutrient status in Benin (West Africa)
Auteurs Agbangba Emile C. [1], Sossa Elvire Line [2], Dagbenonbakin Gustave D. [3], Diatta Sekouna [4], Akpo Léonard Elie [5],
Journal: Journal of Asian Scientific Research
Catégorie Journal: Internationale
Impact factor: 0
Volume Journal: 1
Resume Nutritional diagnosis is an important tool for increasing fruit yield and fruit quality through efficient fertilization management. The aim of the study is to investigate whether there are specific DRIS norms for pineapple ‘Smooth Cayenne’ for a better soil fertility management in Benin. A preliminary Diagnosis and Recommendation Integrated System (DRIS) norms for ‘Smooth Cayenne’ pineapple growing in plantations of the township of Allada (Benin) are presented. DRIS norms were established from a data bank of leaf nutrient concentration (N, P, K, Ca, Mg, S and Zn) and fruit yield with 60 samples gathered from farmers’ plantations. The data were divided into high-yielding (>88 t/ha) and low-yielding (<88 t/ha) sub-populations and norms were computed using standard DRIS procedures. These norms were developed with data from only one cropping region, so they should be considered as preliminary, probably requiring some modification as more data become available. The norms were significantly different from those presented in the literature. We conclude that our results revealed that DRIS is not immune to bias from locality effects.
Mots clés soil fertility, Nutritional diagnosis, leaf nutrient concentration
Pages 254 - 264
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