Response of Pakchoy (Brassica rapa L.) to the Combination of Liquid Organic Fertilizer from Kepok Banana Peel and NPK in Organosol Soil

Hatta Aditia; Fedri Ibnusina; Silfia; Imelya Ramanis

doi:10.25077/jijcs.v8i3.218

Authors

Hatta Aditia
Fedri Ibnusina Politeknik Pertanian Negeri Payakumbuh
Silfia
Imelya Ramanis Politeknik Pertanian Negeri Payakumbuh

DOI:

https://doi.org/10.25077/jijcs.v8i3.218

Keywords:

brassicae, fertilizer efficiency, liquid organic fertilizer, sustainable agriculture, vegetative growth

Abstract

Pakchoy (Brassica rapa L.) is a high-value horticultural crop rich in essential nutrients that support human health. However, its cultivation in Organosol soils is often constrained by low pH, poor drainage, and limited nutrient availability. Excessive use of chemical fertilizers can further degrade soil quality and reduce long-term productivity. This study aimed to determine the effect of combining banana peel-based liquid organic fertilizer (LOF) with NPK fertilizer on the growth and yield of Pakchoy grown in Organosol soil. The experiment was conducted at Politeknik Pertanian Negeri Payakumbuh from February to June 2025 using a Randomized Complete Block Design (RCBD) with four treatments: 100% NPK, 75 mL LOF + 50% NPK, 100 mL LOF + 50% NPK, and 125 mL LOF + 50% NPK. Data were analyzed using ANOVA followed by Duncan’s Multiple Range Test (DMRT) at a 5% significance level. The results showed that the 100 mL LOF + 50% NPK treatment produced the highest number of leaves and a shoot weight statistically comparable to the 125 mL LOF + 50% NPK treatment, while leaf length did not differ significantly among treatments. This treatment reduced the NPK fertilizer dose by 50% while maintaining strong vegetative performance. The utilization of Kepok banana peel waste as a raw material for liquid organic fertilizer has potential to support horticultural crops in the Brassicaceae family.

Downloads

Download data is not yet available.

References

[1] Afryanto, R., Putra, A., & Handoko, M. (2024). Effect of organic fertilizers on leaf biomass and water content of leafy vegetables. Indonesian Journal of Horticultural Science, 9(1), 45–52.

[2] Chairunnisak, Fadli, M., Sefrila, M., Hamawi, M., Ibnusina, F., Subaedah, St., Ardiningtyas, S. A., Trisnaningrum, N., Nofrianil, Candra, D. A., & Haris, A. (2025). Pertanian Organik (R. Risal, Ed.; Pertama). CV. Hei Publishing Indonesia. www.HeiPublishing.id

[3] Chen, Z. C., & Huang, C. F. (2024). Sustainable utilization of acid soils. Plant and Soil, 504(1), 1–3. https://doi.org/10.1007/s11104-024-07051-5

[4] Dohare, K. S., Lahagu, M. P., & Waruwu, P. N. K. (2025). Peran Mikroorganisme Tanah dalam Meningkatkan Kesehatan Tanah dan Hasil Pertanian Organik. Hidroponik : Jurnal Ilmu Pertanian Dan Teknologi Dalam Ilmu Tanaman, 2(1), 166–178. https://doi.org/10.62951/hidroponik.v2i1.253

[5] Harahap, E. J., Chairudin, & Mursinan Fariza. (2024). Respons Jenis dan Konsentrasi Nutrisi pada Tanaman Pakcoy (Brassica rapa L. subssp. Chinensis) terhadap Bobot Basah Tanaman dan Bobot Kering Tanaman Secara Hidroponik Rakit Apung. Agriprima : Journal of Applied Agricultural Sciences, 8(2), 194–200. https://doi.org/10.25047/agriprima.v8i2.675

[6] Handayani, I., & Elfarisna. (2021). Efektivitas Penggunaan Pupuk Organik Cair Kulit Pisang Kepok terhadap Pertumbuhan dan Produksi Tanaman Pakcoy. Jurnal Agrosains dan Teknologi, 6(1), 25–34. https://doi.org/10.24853/jat.6.1.25-34

[7] Hariyanti, R. A., Hamzah, & Andriani, a. (2022). Pengaruh Pemberian Pupuk NPK Terhadap Pertambahan Bibit Merbau Darat (Intsia palembanica) di Pembibitan. Jurnal Silva Tropika, 6(1), 15–22.

[8] Iticha, B., Mosley, L. M., & Marschner, P. (2024). Combining lime and organic amendments based on titratable alkalinity for efficient amelioration of acidic soils. SOIL, 10(1), 33–47. https://doi.org/10.5194/soil-10-33-2024

[9] Khanyile, N., Dlamini, N., Masenya, A., Madlala, N. C., & Shezi, S. (2024). Preparation of Biofertilizers from Banana Peels: Their Impact on Soil and Crop Enhancement. Agriculture, 14(11), 1-24. Https://doi.org/10.3390/agriculture14111894

[10] Laia, A. (2023). Pengaruh Ekstrak Kunyit Terhadap Pertumbuhan Tanaman Sawi Hijau di Desa Bintang Baru Kecamatan Susua Kabupaten Nias Selatan. Jurnal Sapta Agrica, 2(1), 25-35.Https://jurnal.uniraya.ac.id/index.php/Agrica

[11] Liu, Y., Zhang, L., & Chen, H. (2024). Optimization of NPK fertilizer dose for root biomass and fine root density improvement. Plant Nutrition and Fertility Journal, 18(2), 102–115.

[12] Manalu, D. S., Harahap, S. N., & Zulkarnain, M. (2024a). pH, nitrogen, and phosphorus characteristics of peat soils in Indonesia. E3S Web of Conferences, 510, 3009. https://doi.org/10.1051/e3sconf/202451003009

[13] Manalu, S. P., Sabrina, T., & Sari, Y. A. (2024b). Exploring the Triad: pH, Nitrogen, and Phosphorus Characteristics of Peat Soils in Humbang Hasundutan Regency. E3S Web of Conferences, 519. https://doi.org/10.1051/e3sconf/202451903009

[14] Munar, A., Bangun, H., & Lubis, E. (2018). Pertumbuhan Sawi Pakchoi (Brassica rapa L.) Pada Pemberian Pupuk Bokashi Kulit Buah Kakao dan POC Kulit Pisang Kepok. Agrium, 21(3), 243–253. https://doi.org/10.30596/agrium.v21i3.2449

[15] Nisa, K., Rizkyani, A., Firdaus Ivana, C., Dwi Puspita, A., & Kristiningsih, A. (2024). Pemanfaatan Limbah Kulit Pisang dan Kulit Nanas sebagai Bahan Baku Pembuatan Pupuk Organic Cair (POC). Journal of Sustainable Research In Management of Agroindustry (SURIMI), 4(1), 8–13. https://doi.org/10.35970/surimi.v4i1.2266

[16] Rachman, I. A., & Teapon, A. (2016). Evaluasi Status Kesuburan Tanah dan Usaha Perbaikan di DAS Oba Kota Tidore Kepulauan. Jurnal Techno, 05(1), 31–42.

[17] Rahmadani, N., Ibnusina, F., & Pramudya Putra, V. (2025). Penggunaan Kombinasi Eco-Enzyme Dan NPK Dalam Meningkatkan Pertumbuhan Dan Produksi Terhadap Tanaman Pakcoy (Brassica rapa L.). Agrovital: Jurnal Ilmu Pertanian, 10(1), 27–33.

[18] Rahmi, H., Fardany, H. R., Bayfurqon, F. M., & Jaman, J. H. (2023). Effectivity of liquid organic fertilizer on production of pakcoy (Brassica rapa L.). IOP Conference Series: Earth and Environmental Science, 1255(1), 1–5. https://doi.org/10.1088/1755-1315/1255/1/012020

[19] Saprianti, S., Novia, P., & Meriati, M. (2025). Pengaruh Beberapa Dosis Bokashi Kotoran Kambing Terhadap Pertumbuhan dan Hasil Tanaman Caisim (Brassica juncea L.). Jurnal Research Ilmu Pertanian, 5(1), 51–59. https://doi.org/10.31933/02t06211

[20] Sembiring, M., & Sabrina, T. (2022). Nitrogen Fertilization and Corn Growth (Zea mays) Effect in Andisols by Using Non-Symbiotic Nitrogen-Fixing Bacteria. Asian Journal of Plant Sciences, 21(2), 229–235. https://doi.org/10.3923/ajps.2022.229.235

[21] Sriwahyuni, S., Oktarina, H., & Chamzurni, T. (2023). pengaruh Bioaktivator dalam Pupuk Organik Cair Kulit Pisang untuk Mengnendalikan Penyakit Layu Fusarium pada Tanaman Tomat (Solanum lycopersicum). Jurnal Ilmiah Mahasiswa Pertanian, 8(1), 438–452. https://doi.org/10.17969/jimfp.v8i1.23042

[22] Sukiman, F. , Budiman, & Rinduwati. (2023). Pengaruh Frekuensi Pemberian Pupuk Nitrogen Terhadap Pertumbuhan dan Produksi Rumput Pakchong (Pennisetum purpureum cv. Thailand). Buletin Nutrisi Dan Makanan Ternak, 17(1), 62–73. https://paperity.org/p/321049295/pengaruh-frekuensi-pemberian-pupuk-nitrogen-terhadap-pertumbuhan-dan-produksi-rumput

[23] Syaifuddin, S., Yuniar, A. F., Buhaerah, B., & Nurcholis, J. (2022). Pertumbuhan dan Produksi Tanaman Sawi Hijau (Brassica rapa var parachinensis L.) dengan Pemberian Pupuk Organik Cair Kulit Pisang Kepok. Jurnal Agrisistem, 18(1), 41–45. https://doi.org/10.52625/j-agr.v18i1.232

[24] Nazara, R. V., Raden, I., Susilowati, E., Purba, J. H., Yuniantari, N. L. P., Ibnusina, F., Widiati, B. R., Mulyawan, R., Putinella, J. A., & Rahmayuni, E. (2025). Pengelolaan Hara dan Nutrisi Tanaman (E. J. J. Atmaja, Ed.). CV HEI Publishing Indonesia