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Adirianto, Bayu
Politeknik Pembangunan Pertanian, Bogor, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Social Sciences Other

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Dampak Dosis Urea terhadap Sifat-sifat Tanah, Populasi Mikroba, dan Produksi Sorgum (Sorghum bicolor L.) pada Tanah Latosol Bachtiar, Taufiq; Adirianto, Bayu; Hanani, Muftia; Robifahmi, Nur; Flatian, Anggi Nico; Citraresmini, Ania
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 7 No 2 (2023): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/agrosainstek.v7i2.486

Abstract

Urea Fertilizer doses are a significant factor in sorghum production. This research was conducted to study soil characteristics and sorghum production through the applications of urea fertilizer doses in Latosol soil. This research was conducted from May to September 2019 in the KST GA Siwabesy experiment field at Pasar Jumat, South Jakarta. The design used in this study was a randomized block design (CRD) with 4 treatments in the form of fertilizer N doses of 0 kg ha-1, 50 kg ha-1, 100 kg ha-1, and 200 kg ha-1. The results showed that applying N fertilization did not affect soil pH, soil P available, soil organic C, soil N total, C/N ratio, CO2 content, and soil nitrate content. N fertilization significantly affected the number of functional microbes, Azotobacter and Phosphate Solubilizing Microbes (MPF). In addition, N uptake of sorghum and dry weight of sorghum seeds increased significantly by 5.54 times and 2.29 times, respectively, from control when urea fertilizer was applied to 200 kg urea ha-1.
Application of Various Biofertilizers on Vegetative Growth in Oil Palm Seedling Krisnawati, Endang; Adirianto, Bayu; Bachtiar, Taufik
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : Syntax Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36418/syntax-literate.v9i5.15232

Abstract

Continuous application of inorganic fertilizers has negative effects on the environment such as plants and soil. One of the efforts to reduce the use of inorganic fertilizers is the use of microbes as biological agents. This study aims to examine the effect of biofertilizer applications from brands A, B, C, and D on vegetative growth in oil palm seedling. This research was held at Bogor Agricultural Development Polytechnic. The study was arranged in a completely randomized design (CRD) followed by Duncan's test. The treatments consisted of 4 brands of biofertilizer with 3 doses (10, 20, and 30 mL/L water) and 8 replicates. The results showed that brand A had a significant effect on dry weight at a dose of 20 mL/L water with a dry weight value of 10.43 gram/plant. The highest root length significantly was the application of brand C at a dose of 20 mL/L of water, which was 39.06 cm/plant. However, the highest root volume significantly was fertilizer brand A with a dose of 10 mL/L of water, which was 12 cm3/plant.
Co-Authors Agus Manto Agustina Multi Purnomo Ania Citraresmini Bachtiar, Taufik Durroh, Badiatud Dwiwanti Sulistyowati Elisabeth Nanik Kristalisasi ENDANG KRISNAWATI Endang Krisnawati Fahrezi Finandiki Pardani Flatian, Anggi Nico Hanani, Muftia Indra Kurniawan Intan Seliawati Jannah, Noni Sabrina Raudhatul Khotimah, Alya Husnul Muhammad Rafli Nabila, Riski Neni Musyarofah Purboningtyas, Titis Pury Puspitojati, Endah Qifary, M. Ravi Al RACHMAT RACHMAT Ramli Ramli Ramli, Ahmadi Ridwan Nuraripin Robifahmi, Nur Sugiharti, Dwi Sulistyowati, Dwiwanti Syaradina Nafisa Aftori Tasrif, Arifin Taufiq Bachtiar Utami, Aditya Dyah Wati, Cheppy Yuliar Yuliar Yusuf Rizki Setiawan