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Chemical and Biological Technologies in Agriculture
Fig. 1 | Chemical and Biological Technologies in Agriculture

Fig. 1

From: Hydroxyapatite nanoparticles: an alternative to conventional phosphorus fertilizers in acidic culture media

Fig. 1

The images of different formulations of HAP nanoparticles (a): HAP(p) (a-left), HAP(s) (a-middle), and HAP-HA(a-right). FT-IR spectrum of HAP(p) nanoparticles (b), XRD pattern of HAP(p) nanoparticles (c), and XRD pattern of HAP(s) nanoparticles (d), standard XRD pattern of HAP (JCPDS Card No. 24-0033) (e). Abbreviations: HAP(p), hydroxyapatite nanoparticles in powder form; HAP(s), hydroxyapatite nanoparticles in suspension form; HAP-HA, humic acid-modified hydroxyapatite nanoparticles

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