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All Journal Jurnal Riset Kesehatan Agrosaintifika: Jurnal Ilmu-Ilmu Pertanian
Ni'matuzahroh Ni'matuzahroh
Universitas Airlangga
Agriculture, Biological Sciences & Forestry Environmental Science Health Professions

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ISOLATES OF POLYPROPYLENE-DEGRADING BACTERIA FROM A LANDFILL Nastiti Trikurniadewi; Ana Mariatul Khiftiyah; Silvia Kurnia Sari; Wika Ifananda; Dian Irma Suryani; Ni'matuzahroh Ni'matuzahroh
Jurnal Riset Kesehatan Vol 11, No 2 (2022): NOVEMBER 2022
Publisher : Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jrk.v11i2.8815

Abstract

Polypropylene (PP) is a synthetic, heat-resistant, plastic. This quality has made it the second most commonly used in everyday life, including in disposable medical face masks. While the COVID-19 pandemic has led to an escalation of the face masks use in the last two years, their abundant waste, which is difficult to decompose naturally, can have a negative impact on the environment and human health. The purpose of this study was to obtain isolates of PP decomposing bacteria from the landfill in Ngipik, Gresik. The isolates were obtained from soil samples in the landfill. Bacterial isolates were tested for their ability to degrade PP during the 28 days of the liquid phase. The data obtained were bacterial growth data and PP degradation. There were three isolates that had the potential to decompose PP, namely NG 1, NG 2, and NG 3. It was concluded that the NG2 bacterial isolate is able to decompose PP by 0.47%. Based on the results of 16S sRNA, these three tended to be in the genus of Bacillus. The results of this study are expected to enrich the data of potential local bacteria to decompose PP obtained from Gresik landfill areas.
Potensi Bakteri dari Tanah Perkebunan Tebu dalam Melarutkan Fosfat Ana Mariatul Khiftiyah; Mochammad Iam Fahmition; Anggik Ardianto; Muhammad Muzadib; Abdul Jabar; M. Jalalluddin Al Kafi; Ni'matuzahroh Ni'matuzahroh; Nurul 'Aini; Arsy Habi Priyatama; Silvia Kurnia Sari
AGROSAINTIFIKA Vol. 7 No. 2 (2025): Mei
Publisher : LPPM Universitas KH. A. Wahab Hasbullah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32764/84m7jg87

Abstract

Tebu merupakan salah satu tanaman penting di Indonesia. Rendahnya ketersediaan fosfor (P) di tanah menjadi faktor pembatas dalam pertumbuhan tanaman tebu. Keterbatasan P dapat diatasi dengan mengaplikasikan bakteri pelarut fosfat. Penelitian ini bertujuan untuk mendeskripsikan kemampuan bakteri yang diisolasi dari lahan perkebunan tebu di Desa Miagan, Kecamatan Mojoagung, Jombang dalam melarutkan fosfat. Isolasi bakteri dilakukan dengan metode pengenceran bertingkat. Isolat yang diperoleh dikarakterisasi secara makroskopis dan mikroskopis. Uji potensi bakteri dalam melarutkan fosfat dilakukan secara kualitatif dengan menumbuhkan isolat pada media Pikovskaya agar. Kemampuan bakteri dalam melarutkan fosfat ditunjukkan melalui indeks pelarutan. Isolat bakteri yang diperoleh sebanyak enam isolat dengan morfologi koloni yang beragam. Isolat SCB 1, SCB 2, SCB 3, SCB 4, dan SCB 5 memiliki bentuk sel basil, sedangkan isolat SCB 6 memiliki bentuk sel kokus. Seluruh isolat memiliki jenis Gram yang sama yaitu Gram positif. Keenam isolat bakteri memiliki kemampuan dalam melarutkan fosfat dengan indeks pelarutan 1,06 sampai 1,37. Penelitian yang dilakukan berhasil mendapatkan mikroba yang berpotensi untuk dikembangkan menjadi pupuk hayati sehingga mendukung terwujudnya pertanian berkelanjutan.
Co-Authors Abdul Jabar Ana Mariatul Khiftiyah Anggik Ardianto Arsy Habi Priyatama Dian Irma Suryani M. Jalalluddin Al Kafi Mochammad Iam Fahmition Muhammad Muzadib Nastiti Trikurniadewi Nurul 'Aini Silvia Kurnia Sari Wika Ifananda