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All Journal Agrikultura Dinamisia: Jurnal Pengabdian Kepada Masyarakat Journal of Applied Agricultural Science and Technology Lumbung: Jurnal Ilmiah Politeknik Pertanian Negeri Payakumbuh Agroteknika Jurnal Tanah dan Iklim SINTA Journal (Science, Technology, and Agricultural) Journal of Applied Agricultural Science and Technology Jurnal Karya Abdi Masyarakat
Elita, Nelson
Politeknik Pertanian Negeri Payakumbuh
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Microbial Population and Nutrient Content of a Biofertilizer Containing Azotobacter sp. and Pseudomonas fluorescens with Different Carrier Materials After Storage Elita, Nelson; Erlinda, Rita; Yefriwati, Yefriwati; Yanti, Rinda; Sari, Deliana Andam; Illahi, Ayu Kurnia; Maulina, Fri; Hasan, Nor’ Aishah
Journal of Applied Agricultural Science and Technology Vol. 9 No. 1 (2025): Journal of Applied Agricultural Science and Technology
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/jaast.v9i1.365

Abstract

Biofertilizers contain N-fixing and P-solubilizing bacteria. The microbial population is dynamic and influenced by nutrient availability and storage temperature. Maintaining microbial populations requires appropriate carrier media to maximize microbial viability. The aim of the research is to determine the appropriate carrier material for the biofertilizer after storage based on the nutrient content and microbial population. The experiment utilized a completely randomized design with seven treatments and four replications, resulting in 28 experimental units. The treatments were as follows: B0 = Compost, B1 = Compost + Bacteria (Azotobacter and Pseudomonas fluorescens), B2 = Compost + Bacteria (Azotobacter + P. fluorescens) + Molasses, B3 = Compost + bacteria (Azotobacter + P. fluorescens) + CMC, B4 = Compost + bacteria (Azotobacter + P. fluorescens) + Arginine, B5 = Compost + bacteria (Azotobacter + P. fluorescens) + Sugar + CMC, and B6 = Compost + bacteria (Azotobacter + P. fluorescens) + Molasses + Arginine. The study results showed that the highest bacterial colonies were observed seven days after storage in treatment B2, reaching 156.33 CPU. The highest bacterial population growth in the first month was recorded in treatment B5; however, in months 2, 3, 4, and 5, treatment B2 exhibited the highest bacterial colony population. The pH remained more stable in treatments B2, B4, and B6. The highest nutrient content, including pH, N, P, K, and C/N ratio, was recorded in treatment B2, respectively, with values of 6.67, 2.49%, 2.04%, 1.77%, and 20.01. Findings in this study suggested the potential biofertilizer can be applied in the field to reduce dependence on chemical fertilizers to support sustainable agriculture.
Morphometric and Physical Characterization of Local Glutinous Rice Grains as a Basis for Selecting New Superior Varieties in Kabupaten Lima Puluh Kota Illahi, Ayu Kurnia; Adam Sari, Deliana; Elita, Nelson; Anidarfi; Warman, Benny
SINTA Journal (Science, Technology, and Agricultural) Vol. 6 No. 2 (2025)
Publisher : Perkumpulan Dosen Muda (PDM) Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37638/sinta.6.2.543-552

Abstract

Penelitian ini bertujuan untuk mengidentifikasi dan mengkarakterisasi keragaman morfometrik serta sifat fisik beras padi pulut lokal di Kabupaten Lima Puluh Kota sebagai dasar seleksi calon Varietas Unggul Tipe Baru (VUTB) yang berpotensi toleran terhadap cekaman abiotik. Penelitian menggunakan desain kuantitatif deskriptif–komparatif dengan 13 aksesi padi pulut sebagai sampel. Data dikumpulkan melalui pengukuran langsung dimensi gabah dan parameter fisik biji menggunakan jangka sorong. Analisis statistik deskriptif dan ANOVA digunakan untuk mengetahui variasi dan perbedaan signifikan antar aksesi. Hasil penelitian menunjukkan bahwa hampir seluruh parameter, termasuk lebar, tebal gabah, rasio P/L, diameter ekuivalen (De), luas permukaan (Lp), berat jenis biji (B), sphericity (Ø), dan volume biji (V) berbeda nyata pada taraf signifikansi 5%. Kultivar PL1GO, GKP1S, dan PS1BB menunjukkan karakter fisik biji paling unggul dan konsisten, sehingga berpotensi menjadi kandidat awal dalam pengembangan VUTB. Penelitian ini menyimpulkan bahwa keragaman fisik biji padi pulut dapat menjadi indikator penting dalam seleksi varietas unggul dan adaptif. Temuan ini berkontribusi terhadap pemuliaan padi pulut berbasis plasma nutfah lokal, serta dapat menjadi dasar kebijakan pengembangan komoditas unggulan daerah.
Co-Authors Adam Sari, Deliana Agustamar Agustamar Anidarfi Arnayulis, Arnayulis Ayu Kurnia Illahi Benny Warman, Benny Darnetti Darnetti Deliana Andam Sari Eddy Susiawan Eka Susila Eka Susila Erlinda, Rita Fri Maulina Harmailis Harmailis Harmailis Harmailis Harmailis, Harmailis Harmailis, Harmailis Hasan, Nor’ Aishah Illahi, Ayu Kurnia John Nefri Muflihayati Nefri, John Rita Erlinda Rita Erlinda Rizki Rizki Setya Dharma Wiwik Hardaningsih Yanti, Rinda Yefriwati, Yefriwati