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DRIS model parameterization to access pineapple variety 'Smooth Cayenne' nutrient status in Benin (West Africa)

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Author(s): Emile C. Agbangba | Elvire Line Sossa | Gustave D. Dagbenonbakin | Sekouna Diatta | Leonard Elie Akpo

Journal: Journal of Asian Scientific Research
ISSN 2226-5724

Volume: 1;
Issue: 5;
Start page: 254;
Date: 2011;
Original page

ABSTRACT
Nutritional diagnosis is an important tool for increasing fruit yield and fruit qualitythrough efficient fertilization management. The aim of the study is to investigatewhether there are specific DRIS norms for pineapple ‘Smooth Cayenne’ for a bettersoil fertility management in Benin. A preliminary Diagnosis and RecommendationIntegrated System (DRIS) norms for ‘Smooth Cayenne’ pineapple growing inplantations of the township of Allada (Benin) are presented. DRIS norms wereestablished 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 weredivided into high-yielding (>88 t/ha) and low-yielding (

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