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Jhon Alexander Villalaz Pérez

Publications (2)

Relationship between Soil Properties, Content and Dynamics of Cadmium in Creole Cocoa Genotype Grown Organically in Bocas del Toro – Panama

Jhon Alexander Villalaz Pérez, José Ezequiel Villarreal Núñez, Adolfo Santo Pineda & Agustín Merino García · International Journal of Plant & Soil Science · 2022

Introduction: Quantifying Cadmium (Cd), helps to know the excess of this element harmful to human health. Objectives: Determine the concentrations of Cd and its relationship with the management and properties of the soil, leaf tissue, fruit and cocoa beans grown organically in sm...

Open access Research Article 10.9734/ijpss/2022/v34i530869

Isotherms of Adsorption of Heavy Metals in Soils and Sediments of the La Villa River Basin-Panamá

José Ezequiel Villarreal Núñez, Adolfo Santo Pineda, Neldis Ballesteros, Jhon Alexander Villalaz Pérez & Iván Alexis Ramos Zachrisson · International Journal of Plant & Soil Science · 2022

The study was carried out within the La Villa river basin (Herrera and Los Santos provinces). In these lands, great agricultural activity is developed, highlighting the production of corn, tomatoes, melons, watermelon, beans, peppers, sugarcane, meat and milk livestock. They are...

Open access Research Article 10.9734/ijpss/2022/v34i330847