Characteristics and Kinetics of Phosphorus Release from Formulated Fertilizer in Clay Loam Soil | Zendy

Vernadette J. Soriano | Zendy; Veronica P. Migo | Zendy; Monet Concepcion Maguyon-Detras | Zendy; Catalino G. Alfafara | Zendy

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Characteristics and Kinetics of Phosphorus Release from Formulated Fertilizer in Clay Loam Soil

Author(s) -

Vernadette J. Soriano,

Veronica P. Migo,

Monet Concepcion Maguyon-Detras,

Catalino G. Alfafara

Publication year - 2019

Publication title -

kimika

Language(s) - English

Resource type - Journals

eISSN - 2508-0911

pISSN - 0115-2130

DOI - 10.26534/kimika.v30i2.1-4

Subject(s) - fertilizer , loam , phosphorus , kinetics , chemistry , agronomy , soil water , soil science , environmental science , mathematics , physics , organic chemistry , quantum mechanics , biology

A kinetic study for the phosphorus release of a formulated CaHAP-Z fertilizer was done to observe its behavior when applied to clay loam soil. The study of release kinetics of CaHAP-Z was done along with CaHAP and the control fertilizer SolophosTM to determine whether the formulated fertilizer can be an alternative for the conventional fertilizer. Results showed that the formulated fertilizer CAHAP-Z contains 3.73% phosphorus with 513.10 nm particle (Dynamic Light Scattering) indicating that the formulated fertilizer can be classified as a nanofertilizer. The formulated CaHAPZ fertilizer showed the slowest release kinetics compared to the controls. In addition, this study showed that the simple Elovich kinetic model is the general equation that best fits to describe the phosphorus release of fertilizers.

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