Effectiveness of NPK 20-20-10 Fertilizer on Growth, Yield, and Economic Performance of Potato in Tropical Conditions

Hafith Furqoni

doi:10.62951/mikroba.v2i3.518

Authors

Hafith Furqoni IPB University

DOI:

https://doi.org/10.62951/mikroba.v2i3.518

Keywords:

Agronomic Effectiveness, Economic Analysis, Fertilizer Dosage, NPK 20-20-10, Potato

Abstract

As a high-value crop, potatoes necessitate balanced nutrient management for optimal growth and yield. This research aimed to assess how varying applications of NPK 20-20-10 fertilizer influenced potato growth, yield, tuber quality, agronomic efficiency, and economic viability within tropical climates. The experimental setup involved a randomized complete block design, incorporating four replications across seven distinct treatments: a control, a standard inorganic fertilization regimen, and NPK 20-20-10 applied at 0.50, 0.75, 1.00, 1.25, and 1.50 times the suggested dosage. The findings indicated that applying NPK 20-20-10 significantly enhanced several parameters, including plant height, branch count, tuber count, tuber weight, and overall yield components, when contrasted with the control group. Notably, the 1.25 times recommended dose demonstrated superior performance, leading to a 34.9% increase in tuber number and a 68.6% rise in tuber weight compared to the control. Agronomic effectiveness scores surpassed 100 for dosages ranging from 0.75 to 1.50, with the 1.25 dose registering the peak value. Economic evaluations confirmed the profitability of all NPK treatments, and the 1.25 dose yielded the most favorable R/C ratio and a net profit of IDR 29,053,400. Consequently, the recommended application for potato cultivation is 675 kg/ha of NPK 20-20-10, distributed in three equal parts at planting, four weeks post-planting, and six weeks post-planting. Thus, these results underscore that NPK 20-20-10, when applied at 1.25 times the recommended rate, presents an agronomically effective and economically sound strategy for sustainable potato farming in tropical settings.

References

Abato, Y., & Zebire, D. (2024). Effects of blended NPSB fertilizer rates on growth, yield, and yield components of potato (Solanum tuberosum L.) varieties in Miserak Badawacho district, Hadiya Zone, Southern Ethiopia. Agricultural Science Digest - A Research Journal. https://doi.org/10.18805/ag.df-556

Aisyawati, L., Aziz, F. N., Syafitri, W., Ndaru, R. K., & Latifa, E. (2020). The effect of NPK 16-6-23 fertilizer dosage on the growth and yield of the rice Inpari 30 in Bangkalan Regency, East Java. Berkala Penelitian Hayati, 26(1), 45-52. https://doi.org/10.23869/bphjbr.26.1.20208

Ali, M., Petropoulos, S. A., Selim, D. A.-F. H., Elbagory, M., Othman, M., Omara, A. E.-D., & Mohamed, M. H. M. (2021). Plant growth, yield, and quality of potato crop in relation to potassium fertilization. Agronomy, 11(4), 675. https://doi.org/10.3390/agronomy11040675

Alimkhanov, Y., Yeleshe, R., Yertayeva, B., & Aitbayeva, A. T. (2021). Responses of potato (Solanum tuberosum L.) varieties to NPK fertilization on tuber yield in the Southeast of Kazakhstan. EURASIAN JOURNAL OF SOIL SCIENCE (EJSS), 10(4), 285. https://doi.org/10.18393/ejss.954899

Barłóg, P. (2023). Improving fertilizer use efficiency: Methods and strategies for the future. Plants, 12(20), 3658. https://doi.org/10.3390/plants12203658

Blecharczyk, A., Kowalczewski, P. Ł., Sawińska, Z., Rybacki, P., & Radzikowska, D. (2023). Impact of crop sequence and fertilization on potato yield in a long-term study. Plants, 12(3), 495. https://doi.org/10.3390/plants12030495

Chabani, H., Tarchoun, N., Amami, R., Saadaoui, W., Mezghani, N., Alexopoulos, A. A., & Petropoulos, S. A. (2024). Investigating the effects of optimized mineral fertilization on plant growth, physiological traits, tuber yield, and biochemical contents of potato crop. Horticulturae, 11(1), 11. https://doi.org/10.3390/horticulturae11010011

Gunadi, N., & Pronk, A. A. (2023). Identifying key factors to improve productivity and reduce environmental impact of potato farms in West Java, Indonesia. E3S Web of Conferences, 373, 4019. https://doi.org/10.1051/e3sconf/202337304019

Haider, M. W., Nafees, M., Iqbal, R., Ali, S., Asad, H. U., Azeem, F., … Mohammed, K. A. S. (2024). Rejuvenating potato growth and yield in challenging semiarid and saline sandy Cholistan: Harnessing PGPB-coated N and P application strategies. BMC Plant Biology, 24(1), 386. https://doi.org/10.1186/s12870-024-05056-x

Ham, J. S., Tunn, A. Z., Nuraini, A., & Budiarto, R. (2022). Production of G0 ‘Median’ potato on different media composition and fertilizer method. Asian Journal of Plant Sciences, 21(2), 312. https://doi.org/10.3923/ajps.2022.312.320

Harmel, R. D., Harmel, B., & Patterson, M. C. (2008). On-farm agro-economic effects of fertilizing cropland with poultry litter. The Journal of Applied Poultry Research, 17(4), 545. https://doi.org/10.3382/japr.2008-00039

Hawkesford, M. J., Horst, W. J., Kichey, T., Lambers, H., Schjøerring, J. K., Møller, I. S., & White, P. R. (2011). Functions of macronutrients. In Elsevier eBooks (p. 135). Elsevier BV. https://doi.org/10.1016/b978-0-12-384905-2.00006-6

Hoque, Md. A., Sikder, M., & Khair, A. (2024). Effect of inorganic and organic fertilizers on growth and yield of two industrial potato varieties (Asterix and Courage) in Bangladesh. American Journal of Plant Sciences, 15(4), 292. https://doi.org/10.4236/ajps.2024.154021

Kasno, A., Zakiah, K., & Suastika, I. W. (2022). Application of NPK 15-10-12 fertilizer to increase the yield of paddy field, fertilization efficiency, and effectiveness of fertilizing in Inceptisol. Agric, 34(2), 211. https://doi.org/10.24246/agric.2022.v34.i2.p211-224

Koch, M., Naumann, M., Pawelzik, E., Gransee, A., & Thiel, H. (2019). The importance of nutrient management for potato production Part I: Plant nutrition and yield. Potato Research, 63(1), 97. https://doi.org/10.1007/s11540-019-09431-2

Kumar, S., Kumar, S., & Mohapatra, T. (2021). [Review of interaction between macro‐ and micro-nutrients in plants]. Frontiers in Plant Science, 12. Frontiers Media. https://doi.org/10.3389/fpls.2021.665583

Lawrence, B. T., & Melgar, J. C. (2018). Variable fall climate influences nutrient resorption and reserve storage in young peach trees. Frontiers in Plant Science, 9. https://doi.org/10.3389/fpls.2018.01819

Li, L., Zhu, T., Wen, L., Zhang, T., & Ren, M. (2024). [Review of biofortification of potato nutrition]. Journal of Advanced Research. Elsevier BV. https://doi.org/10.1016/j.jare.2024.10.033

Lyons, S. E., Arnall, D. B., Ashford‐Kornburger, D., Brouder, S. M., Christian, E. R., Dobermann, A., … Wagner‐Riddle, C. (2024). Field trial guidelines for evaluating enhanced efficiency fertilizers. Soil Science Society of America Journal, 89(1). https://doi.org/10.1002/saj2.20787

Mandal, S. K., Padbhushan, R., & Kumar, M. G. P. P. (2020). Response of customized fertilizer application on growth, yield and economics of potato (Solanum tuberosum L.) in eastern region of India. Journal of Pharmacognosy and Phytochemistry, 9(1), 1475. https://doi.org/10.22271/phyto.2020.v9.i1y.10667

Manolov, I., & Neshev, N. (2021). Yield, uptake and allocation of NPK in potatoes depending on fertilization. Acta Horticulturae, (1320), 225. https://doi.org/10.17660/actahortic.2021.1320.29

Medici, M., & Canavari, M. (2022). Economic impacts of variable rate nitrogen fertilization: Input saving and yield increase in cereals. CABI Reviews. https://doi.org/10.1079/cabireviews202217054

Mirdad, Z. M. (2010). The effect of organic and inorganic fertilizers application on vegetative growth, yield and its components, and chemical composition of two potato (Solanum tuberosum, L.) cultivars. Alexandria Science Exchange Journal, 31, 102. https://doi.org/10.21608/asejaiqjsae.2010.2304

Munthali, C., Kinoshita, R., Onishi, K., Rakotondrafara, A. M., Mikami, K., Koike, M., … Aiuchi, D. (2022). A model nutrition control system in potato tissue culture and its influence on plant elemental composition. Plants, 11(20), 2718. https://doi.org/10.3390/plants11202718

Naumann, M., Koch, M., Thiel, H., Gransee, A., & Pawelzik, E. (2019). The importance of nutrient management for potato production Part II: Plant nutrition and tuber quality. Potato Research, 63(1), 121. https://doi.org/10.1007/s11540-019-09430-3

Nizamuddin, N., Mahmood, M. M., Farooq, K., & Riaz, S. (2003). Response of potato crop to various levels of NPK. Asian Journal of Plant Sciences, 2(2), 149. https://doi.org/10.3923/ajps.2003.149.151

Otieno, H. M. O., & Mageto, E. K. (2021). [Review of a review on yield response to nitrogen, potassium and manure applications in potato (Solanum tuberosum L.) production]. Archives of Agriculture and Environmental Science, 6(1), 80. https://doi.org/10.26832/24566632.2021.0601011

Petrar, T. M. C., Braşovean, I., Rácz, C.-P., Mîrza, C.-M., Burduhos, P., Mălinaș, C., … Odagiu, A. (2024). The impact of agricultural inputs and environmental factors on potato yields and traits. Sustainability, 16(20), 8759. https://doi.org/10.3390/su16208759

Sai, R., & Paswan, S. (2024). Influence of higher levels of NPK fertilizers on growth, yield, and profitability of three potato varieties in Surma, Bajhang, Nepal. Heliyon, 10(14). https://doi.org/10.1016/j.heliyon.2024.e34601

Saifullah, M., Hakimullah, A., Khan, B. M., & Mudir, A. (2024). Studying the effects of tuber size and spacing between plants on growth and yield of potato (Solanum tuberosum L.). Journal for Research in Applied Sciences and Biotechnology, 3(1), 129. https://doi.org/10.55544/jrasb.3.1.21

Sardans, J., & Peñuelas, J. (2021). Potassium control of plant functions: Ecological and agricultural implications. Plants, 10(2), 419. https://doi.org/10.3390/plants10020419

Shah, I. H., Wu, J., Li, X., Hameed, M. K., Manzoor, M. A., Li, P., … Chang, L. (2024). Exploring the role of nitrogen and potassium in photosynthesis: Implications for sugar accumulation and translocation in horticultural crops. Scientia Horticulturae, 327, 112832. https://doi.org/10.1016/j.scienta.2023.112832

Shi, M., Guo, A., Kang, Y., Zhang, W., Fan, Y., Yang, X., … Qin, S. (2023). Partial substitution of chemical fertilizer with organic manure enhances yield attributes and tuber quality in potato. Journal of Soil Science and Plant Nutrition, 23(3), 3932. https://doi.org/10.1007/s42729-023-01312-5

Shoykin, O., Аширбеков, М. Ж., Malitskaya, N., Auzhanova, M., & Tleppaeva, A. (2024). Diagnosis of potato mineral nutrition based on statistical analysis of two variables. E3S Web of Conferences, 494, 4006. https://doi.org/10.1051/e3sconf/202449404006

Singh, V. P., & Maiti, R. K. (2022). [Review of mineral nutrition of potato (Solanum tuberosum L.)]. Farming and Management. https://doi.org/10.31830/2456-8724.2022.fm-116

Soratto, R. P., Sandaña, P., Fernandes, A. M., Calles, T. S., Yagi, R., Souza, E. de F. C. de, … Martins, J. D. L. (2023). Soil and leaf phosphorus thresholds for modern potato production systems in tropical Oxisols. European Journal of Agronomy, 148, 126880. https://doi.org/10.1016/j.eja.2023.126880

Su, D., Zhang, H., Teng, A., Zhang, C., Lei, L., Ba, Y., … Wang, Z. (2024). Potato growth, nitrogen balance, quality, and productivity response to water-nitrogen regulation in a cold and arid environment. Frontiers in Plant Science, 15, 1451350. https://doi.org/10.3389/fpls.2024.1451350

Wang, H., Yang, Y., Yao, C., Feng, Y., Wang, H., Kong, Y., … Deng, G. (2024). The correct combination and balance of macronutrients nitrogen, phosphorus, and potassium promote plant yield and quality through enzymatic and antioxidant activities in potato. Journal of Plant Growth Regulation, 43(12), 4716. https://doi.org/10.1007/s00344-024-11428-2

Wang, Y., Zhang, R., Li, S., Guo, X., Li, Q., Hui, X., … Wang, H. (2024). An evaluation of potato fertilization and the potential of farmers to reduce the amount of fertilizer used based on yield and nutrient requirements. Agronomy, 14(3), 612. https://doi.org/10.3390/agronomy14030612

Xue, H., Zheng, X., Hong, W., Yang, J., Alva, A. K., Fan, M., & Zhang, Z. (2024). Benefits of controlled-release fertilizers for potato sustainable nitrogen management. Frontiers in Environmental Science, 12. https://doi.org/10.3389/fenvs.2024.1381054

Yang, H., Di, Y., Zhang, H., & Li, F. (2024). Nitrogen management for optimum potato yields and low environmental impact in Northwest China. Potato Research, 67(4), 1717. https://doi.org/10.1007/s11540-024-09715-2

Ye, J., Tian, W., & Jin, C. W. (2022). [Review of nitrogen in plants: From nutrition to the modulation of abiotic stress adaptation]. Stress Biology, 2(1), 4. Springer Nature. https://doi.org/10.1007/s44154-021-00030-1

Yousef, A. F., Ali, A. M., Abdalla, S., Lamlom, S. F., & Al-Sayed, H. M. (2023). Improved plant yield of potato through exogenously applied potassium fertilizer sources and biofertilizer. AMB Express, 13(1). https://doi.org/10.1186/s13568-023-01627-7

Zapadiya, D. M., Vihol, K. J., Patel, J., Vaghela, S. J., & Patel, R. N. (2025). Response of potato (Solanum tuberosum L.) varieties to different levels of nitrogen and potash. International Journal of Advanced Biochemistry Research, 9(4), 1032. https://doi.org/10.33545/26174693.2025.v9.i4l.4223

Zotarelli, L., Wade, T., England, G. K., & Christensen, C. (2021). Nitrogen fertilization guidelines for potato production in Florida. EDIS, 2021(6). https://doi.org/10.32473/edis-hs1429-2021