CASSAVA RESPONSE TO ORGANOMINERAL FERTILIZATION IN SAVANNAH AND FOREST ZONES OF THE CENTRAL AFRICAN REPUBLIC

  • Research Unit on Integrated Soil and Crop Management, Soil Science Laboratory, Faculty of Agricultural Sciences, University of Abomey-Calavi, 03 BP 2819 RP Cotonou, Benin.
  • Higher Institute of Rura Development (ISDR)/Mbaiki, University of Bangui, BP: 908, Avenue des Martyrs, Bangui, Central African Republic.
  • Research Unit in Soil Science, Laboratory of Plant, Horticultural and Forestry Sciences, National University of Agriculture (UNA), BP 43, Ketou, Benin.
  • Faculty of Science, University of Bangui, BP: 908, Avenue des Matyrs, Bangui, Central African Republic
  • Research Unit on Microbiology and Soil Conservation, Soil Science Laboratory, Faculty of Agricultural Sciences, University of Abomey-Calavi
  • Center for Expertise and Research in Ecopedology, Soil Science Laboratory, Faculty of Agricultural Sciences, University of Abomey-Calavi, 03 BP 2819 RP, Cotonou, Benin
  • Agricultural Research Center (CRA) of Agonkanmey, National Institute of Agricultural Research of Benin, 01 BP 988 RP, Cotonou, Benin.
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Two experimental seasons (2021-2022 and 2022-2023) were conducted to assess the effects of different fertilizer formulations for cassava growth and yields improvement in the forest and savanna ecosystems of republic of Centrafrique (RCA). A Box and Behnken design was used to determine treatments, with nutrient levels coded at 1 (minimum), 0 (medium) and 1 (maximum). Combinations of N, P, K and organic manure (FY) were generated with MINITAB 18 software. The response surface was generated for the four factors.However, 27 experimental units including the three repeated center points were generated. The central points (where all factors are at their mean level) are included to estimate experimental variability and improve the precision of the estimated effects.

[Kolinguenza N.L, Kosh-Komba E, Balogoun. I, Chabi F.O, Daouda B.O, Bankole A, Kouelo Alladassi F., Amadji G.L,Dagbenonbakin G.D. and Saidou A. (2025); CASSAVA RESPONSE TO ORGANOMINERAL FERTILIZATION IN SAVANNAH AND FOREST ZONES OF THE CENTRAL AFRICAN REPUBLIC Int. J. of Adv. Res. (Jul). 781-795] (ISSN 2320-5407). www.journalijar.com

KOLINGUENZA LINZELASS Nazaire Guy Bertin
Chercheur
Central African Republic

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