Agusta, H., Setiawan, A., Purnamawati, H., Atmoko, W., Sugiarto, T. and Rai, A. (2018). Utilization of productive oil palm plantation gawangan for sweet potato (Ipomoea batatas (L) Lam.) production. Caraka Tani: J. Sustain. Agric. 21: 44-48.
Albari, J. (2018). The role of nitrogen and phosphorus fertilizers in three-year-old immature oil palm (Elaeis guineensis Jacq.) plants. Buletin. Agrohorti. 6: 42-49.
Gea, K. (2022). Utilization of biochar husk and rice straw to increase the yield of upland rice (oryza sativa l.) on ultisol medium. Jurnal Sapta Agrica. 1: 45-59.
Hadi, S. N., Widiyawati, I. and Anwar, S. (2021). Potential characterization and identification of indigenous rhizobacteria species of ultisol soil to support the growth of several superior upland rice varieties. Jurnal Penelitian Pertanian Terapan 21: 278-89.
Lubis, N. and Refnizuida, R. (2019). The effect of moringa leaf organic fertilizer and quail manure on the growth and production of long bean (vigna cylindrica L). In Talenta Conf. Series: Sci. Technol. (ST). 2: 108-17.
Nafiah, V. I. and Suryanto, A. (2019). Assessment of PGPR (plant growth promoting rhizobacteria) at various levels of nitrogen application to upland rice (Oryza Sativa L.) Variety Situ Bagendit. Jurnal Produksi Tanaman. 6(7): 1588-96.
Prathama, Y. and Nelvia, N. (2018). Application of ameliorants and non-symbiotic nitrogen fixing bacteria isolates (FNNS) to improve growth and n uptake of upland rice plants (Oryza sativa L.) on Ultisol medium. Jurnal Solum. 15: 40-49.
Sela, F. M., Rianto, F. and Syahputra, E. (2022). Utilization of phosphate-solubilizing bacteria in controlling leaf blight disease in red ciherang rice. Jurnal Sains Pertanian Equator 11: 225-32.
Sembiring, Y.R.V., Nugroho, P.A. and Istianto. (2013). Study on the use of soil microorganisms to increase fertilizer efficiency in rubber plants. Warta Perkaretan, Balai Penelitian Sungei Putih. Medan 32: 7-15.
Suherman, C., Nugroho, A. H. and Soleh, M. A. (2023). Effect of phosphate solubilizing bacteria on growth and yield of soybean in TM-I oil palm plantation. Paspalum: Jurnal Ilmiah Pertanian 11: 230-39.
Sutoyo (2011). The problem and role of CO2 on plant production. Buana Sains 11: 83-90.
Umadi, S. S., Ilyas, S. and Widyastuti, R. (2023). Characterization and viability of nitrogen fixing bacteria and phosphate solubilizing bacteria in biochar carrier media. Jurnal Ilmu Tanah dan Lingkungan 25: 40-45.
Utaminingsih, U., Suharyanto, S. and Sumardi, I. (2019). Microsporogenesis of large red chili (capsicum annuum L.) under drought stress. Majalah Ilmiah Biologi BIOSFERA: A Scientific Journal 36: 79-84.
Albari, J. (2018). The role of nitrogen and phosphorus fertilizers in three-year-old immature oil palm (Elaeis guineensis Jacq.) plants. Buletin. Agrohorti. 6: 42-49.
Gea, K. (2022). Utilization of biochar husk and rice straw to increase the yield of upland rice (oryza sativa l.) on ultisol medium. Jurnal Sapta Agrica. 1: 45-59.
Hadi, S. N., Widiyawati, I. and Anwar, S. (2021). Potential characterization and identification of indigenous rhizobacteria species of ultisol soil to support the growth of several superior upland rice varieties. Jurnal Penelitian Pertanian Terapan 21: 278-89.
Lubis, N. and Refnizuida, R. (2019). The effect of moringa leaf organic fertilizer and quail manure on the growth and production of long bean (vigna cylindrica L). In Talenta Conf. Series: Sci. Technol. (ST). 2: 108-17.
Nafiah, V. I. and Suryanto, A. (2019). Assessment of PGPR (plant growth promoting rhizobacteria) at various levels of nitrogen application to upland rice (Oryza Sativa L.) Variety Situ Bagendit. Jurnal Produksi Tanaman. 6(7): 1588-96.
Prathama, Y. and Nelvia, N. (2018). Application of ameliorants and non-symbiotic nitrogen fixing bacteria isolates (FNNS) to improve growth and n uptake of upland rice plants (Oryza sativa L.) on Ultisol medium. Jurnal Solum. 15: 40-49.
Sela, F. M., Rianto, F. and Syahputra, E. (2022). Utilization of phosphate-solubilizing bacteria in controlling leaf blight disease in red ciherang rice. Jurnal Sains Pertanian Equator 11: 225-32.
Sembiring, Y.R.V., Nugroho, P.A. and Istianto. (2013). Study on the use of soil microorganisms to increase fertilizer efficiency in rubber plants. Warta Perkaretan, Balai Penelitian Sungei Putih. Medan 32: 7-15.
Suherman, C., Nugroho, A. H. and Soleh, M. A. (2023). Effect of phosphate solubilizing bacteria on growth and yield of soybean in TM-I oil palm plantation. Paspalum: Jurnal Ilmiah Pertanian 11: 230-39.
Sutoyo (2011). The problem and role of CO2 on plant production. Buana Sains 11: 83-90.
Umadi, S. S., Ilyas, S. and Widyastuti, R. (2023). Characterization and viability of nitrogen fixing bacteria and phosphate solubilizing bacteria in biochar carrier media. Jurnal Ilmu Tanah dan Lingkungan 25: 40-45.
Utaminingsih, U., Suharyanto, S. and Sumardi, I. (2019). Microsporogenesis of large red chili (capsicum annuum L.) under drought stress. Majalah Ilmiah Biologi BIOSFERA: A Scientific Journal 36: 79-84.