Keanekaragaman hayati Indonesia sangat melimpah salah satunya adalah pada kelompok tanaman obat keluarga (TOGA). TOGA adalah tanaman yang memiliki khasiat dalam mengobati dan mencegah berbagai jenis penyakit. Dalam kegiatan pengabdian ini TOGA dijadikan sebagai objek pembelajaran bagi masyarakat Desa Kenep melalui wadah Asman Toga Kecono Wungu terkait pentingnya mengetahui jenis dan manfaat TOGA. Metode pengabdian ini dilakukan melalui media digitalisasi dengan pembuatan barcode yang berfungsi merekam link website sekitar 73 jenis tanaman obat keluaraga (TOGA) yang dikelola oleh Stikes Rajekwesi Bojonegoro yang mana website ini bersifat updatable mengikuti perkembangan penelitian ilmiah.Barcode ini nantinya dapat di akses oleh masyarakat melalui smartphone.Hasil kegiatan pengabdian ini mempermudah akses pengetahuan dalam hal ini TOGA, untuk mendapatkan informasi jenis dan manfaat TOGA serta dapat memberikan keahlian sehingga secara mandiri membuat resep obat tradisional sebagai keperluan pengobatan dan pencegahan penyakit. Selain itu masyarakat memiliki kesadaran untuk budidaya tanaman obat secara mandiri di pekarangan rumah.
Composite of amorphous silica encapsulated urea as a slow-release fertilizer has been performed. Amorphous silica was obtained from dealumination of natural clay by the reflux method using HCl 6M. Encapsulation composite was prepared with amorphous silica mass variations of 0.50; 0.75; 1,00; 1.50; and 2.00 g. The preparation of encapsulation composite aimed to study the effect of amorphous silica mass on compressive strength and water absorption of composite. The XRD data showed that the dealumination process was successfully prepared by the formation of an amorphous diffraction pattern. The dealumination process was also supported by EDX data that indicated a decrease in the percentage of Al atomic weight from 11.29 to 0.36%. The optimum compressive strength and water absorption results were obtained at amorphous silica mass of 0.75 g with values of 5.40 MPa and 42.60%, respectively. The kinetics model followed the pseudo-second order for urea as a control and Korsmeyer-Peppas for composite of amorphous silica encapsulated urea with rate values of 0.847 mg−1 hour−n and 0.012 mg−1 hour−1, respectively.
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