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Koriko, M., Zanguina, A., Tchangbedji, G., Mohamed El Meray, Natatou, I., Hafidi, M. and Sarakaha, M. (2010) Study of the Dissolution of Phosphates from Hahotoé-Kpogamé (Togo) by Natural Humic Acids. Journal of the West African Society of Chemistry, No. 30, 41-47.

has been cited by the following article:

• TITLE: Efficiency of Natural Phosphate (Apatite) Dissolution by Vegetal Organic Matter

  AUTHORS: Kokou Justin Agoudou, Amine Ezzariai, Diyakadola Dihéénane Bafai, Bassaï Magnoudéwa Bodjona, Moursalou Koriko, Mohamed Hafidi, Gado Tchangbedji

  KEYWORDS: Natural Phosphate, Apatite, Available Phosphorus, Organic Matter, Compost, Dissolution

  JOURNAL NAME: Journal of Minerals and Materials Characterization and Engineering, Vol.13 No.6, October 30, 2025

  ABSTRACT: Natural phosphates (Apatite) are the main sources of phosphorus, one of the three major chemical elements for plant development. The present work aims to study the efficiency of dissolution of natural phosphate from Togo during composting of a mixture of this ore with different types of vegetal matter. Phospho-composts of mixtures of ore and cow dung (A+P), poultry droppings (B+P), nymphea (C+P), domestic organic waste (D+P) and vegetal organic composts without phosphate (A, B, C and D) were elaborated. Determination of available phosphorus concentrations by the colorimetry method (HACH DR 3800) in composts and phospho-composts was realized. Analysis results revealed that organic matter has a solubilizing effect on natural phosphate. Nymphea phospho-compost has the best ore dissolved because its assimilable phosphorus content is the highest (0.88%). These results also showed that phospho-composts maturation time has a beneficial effect on the ore dissolution.