Farmers’ Perception of Biofertilizer Effectiveness in Rice Farming in San Agustin, Sagbayan, Bohol

Authors

Kim C. Abico

College of Science and Management, Bachelor of Science in Environmental Science, Bohol Island State University- Clarin Campus (Philippines)

Jemma Lucitte A. Cabrillos

College of Science and Management, Bachelor of Science in Environmental Science, Bohol Island State University- Clarin Campus (Philippines)

Article Information

DOI: 10.51584/IJRIAS.2026.111500012

Subject Category: Environmental Science

Volume/Issue: 11/15 | Page No: 114-123

Publication Timeline

Submitted: 2026-04-29

Accepted: 2026-05-05

Published: 2026-05-23

Abstract

This study aimed to assess farmers’ perceptions of the effectiveness of biofertilizer application in rice farming in San Agustin, Sagbayan, Bohol. The study assessed the efficacy of biofertilizers for plant height, tiller count per plant, and rice quality, while also investigating the presence of significant differences among these variables. The study posited that no significant differences would exist among the three measures. Moreover, the researcher utilized a descriptive-survey research approach, employing a validated, researcher-developed questionnaire with 0.92 reliability index was administered to 100 purposively selected DA-registered rice producers. Additionally, interviews and field observations were performed to enhance the collected data. Reliability testing produced satisfactory to commendable alpha values, affirming the instrument's consistency. Formal coordination with municipal and barangay officials was conducted for data collection, and statistical analysis was performed using the weighted mean and Friedman test. The results indicated that biofertilizers were regarded as somewhat efficient in improving plant height (M=3.55), the number of tillers per plant (M=3.40), and rice quality (M=3.40) by which both of the three results were interpreted as Moderately Effective. Moreover, the results indicated substantial disparities between plant height and both tiller count and rice quality; however, no significant difference was seen between tiller number and rice quality, thus the null hypothesis is not accepted. These findings demonstrate that biofertilizers had a more significant impact on vegetative development than on grain attributes. In conclusion, while biofertilizers provide quantifiable advantages in rice agriculture, their efficacy is contingent upon soil conditions, microbe formulations, and administration methods. The study advocates for enhancing farmer education, incorporating biofertilizers with additional nutrient sources, advancing extension services, and guaranteeing the accessibility of superior microbial goods. Finally, additional research is recommended to investigate long-term field results and refine application techniques.

Keywords

Biofertilizers, efficacy, soil conditions, agriculture

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References

1. Abd El-Mageed, T. A., El-Saadony, M. T., Abdel-Monaim, M. F., Abdel-Maksood, M. A., & El-Banna, H. (2022). Plant growth-promoting rhizobacteria improve growth, morpho-physiological responses, water productivity and yield of rice plants under full and deficit drip irrigation. [Article]. Retrieved from PubMed Central. [Google Scholar] [Crossref]

2. Abhilash, P. C., Dubey, R. K., Tripathi, V., Gupta, V. K., & Singh, H. B. (2016). Plant growth-promoting microorganisms for environmental sustainability. Trends in Biotechnology, 34(11), 847–850. https://org/10.1016/j.tibtech.2016.05.005 [Google Scholar] [Crossref]

3. Ajmal, M., Ali, H. I., Saeed, R., Akhtar, A., Tahir, M., Mehboob, M. Z., & Ayub, A. (2018). Biofertilizer as an alternative for chemical fertilizers. Journal of Agriculture and Allied Sciences, 7(1), 1-7. [Google Scholar] [Crossref]

4. Alotaibi, B. A., Yoder, E., Brennan, M. A., & Kassem, H. S. (2021). Perception of organic farmers towards organic agriculture and role of extension. Saudi Journal of Biological Sciences, 28(5), 2980–2986. https://org/10.1016/j.sjbs.2021.02.037 [Google Scholar] [Crossref]

5. Aloo, B. N., Tripathi, V., Makumba, B. A., & Mbega, E. R. (2022). Plant growth promoting rhizobacterial biofertilizers for crop production: The past, present, and future. Frontiers in Plant Science, 13, 1002448. [Google Scholar] [Crossref]

6. Anisuzzaman, M., Rafii, M. Y., Jaafar, N. M., Ramlee, S. I., Ikbal, M. F., & Haque, M. A. (2021). Effect of organic and inorganic fertilizer on the growth and yield components of traditional and improved rice (Oryza sativa L.) genotypes in Malaysia. Agronomy, 11(1830).https://org/10.3390/agronomy11091830. [Google Scholar] [Crossref]

7. Atieno, M., Herrmann, L., Nguyen, H. T., Phan, H. T., Nguyen, N. K., Srean, P., ... & Lesueur, D. (2020). Assessment of biofertilizer use for sustainable agriculture in the Great Mekong Region. Journal of environmental management, 275, 111300. [Google Scholar] [Crossref]

8. Aung, M. M., Saw, H. T., & Myint, A. A. (2022). Enhancing upland rice growth and yield with indigenous PGPR isolate at nitrogen fertilizer dosage. Agriculture, 13(10), 1987. https://org/10.3390/agriculture13101987 [Google Scholar] [Crossref]

9. Aung, O. (2023). Knowledge and practices on agrochemicals, biofertilizers and biopesticides among the rice farmers in Amarapura Township, Mandalay (Master’s thesis, Yezin Agricultural University). https://org/10.1016/ohnmaraung-biofertilizer-study-2023 [Google Scholar] [Crossref]

10. Azcón-Aguilar, C., & Barea, J. M. (2015). Nutrient cycling in the mycorrhizosphere: The role of arbuscular mycorrhizas. Chilean Journal of Agricultural Research, 75(2), 3–15.https://www.scielo.cl/scielo.php?pid=S0718951620150002000 &scrip=sci_arttext&tlng=pt [Google Scholar] [Crossref]

11. Bhattacharyya, P., Roy, K. S., & Dash, P. K. (2020). Effect of biofertilizers on growth, productivity, and quality of rice under different nutrient management practices. Journal of Plant Nutrition, 43(15), 2298–2310. https://org/10.1080/01904167.2020.1771572 [Google Scholar] [Crossref]

12. Castillo, C. P., & Mamaril, C. P. (2014). Evaluation of selected biofertilizers in the growth and yield of lowland rice under field conditions. Annals of Tropical Research, 36(2), 10–19. https://atr.vsu.edu.ph/article/view/305 [Google Scholar] [Crossref]

13. Chatterjee, A., Singh, S., Agrawal, C., Yadav, S., Rai, R., & Rai, L. C. (2017). Role of algae as a biofertilizer. In Algal green chemistry (pp. 189-200). Elsevier. [Google Scholar] [Crossref]

14. Chieb, M., et al. (2023). The role of plant growth-promoting rhizobacteria in plant growth, health and resilience. BMC Plant Biology, 23, Article 123. [Google Scholar] [Crossref]

15. Daniel, A. I., Fadaka, A. O., Gokul, A., Bakare, O. O., Aina, O., Fisher, S., ... & Klein, A. (2022). Biofertilizer: the future of food security and food safety. Microorganisms, 10(6), 1220. [Google Scholar] [Crossref]

16. Das, K., Dangar, T. K., & Maity, S. K. (2019). Influence of biofertilizers on growth, yield, and quality of rice. International Journal of Current Microbiology and Applied Sciences, 8(3), 1328–1335. [Google Scholar] [Crossref]

17. Djajadi, R., Syaputra, R., & Hidayati, S. N. (2020). Effect of NPK fertilizer, biofertilizer containing N fixer and P solubilizer, and green manure of Crotalaria juncea on nutrient uptake and growth of sugarcane. IOP Conference Series: Earth and Environmental Science, 418(1), 012068. https://doi.org/10.1088/1755-1315/418/1/012068. [Google Scholar] [Crossref]

18. Harahap, R. T., Azizah, I. R., Setiawati, M. R., Herdiyantoro, D., & Simarmata, T. (2023). Enhancing upland rice growth and yield with indigenous plant growth-promoting rhizobacteria (PGPR) isolate at N-fertilizer dosage. Agriculture, 13(10), 1987. https://doi.org/10.3390/agriculture13101987 [Google Scholar] [Crossref]

19. Joshi, S. K., & Gauraha, A. K. (2022). Global biofertilizer market: Emerging trends and opportunities. Trends of applied microbiology for sustainable economy, 689-697. [Google Scholar] [Crossref]

20. Kalaitzidis, A., Kadoglidou, K., Mylonas, I., Ghoghoberidze, S., Ninou, E., & Katsantonis, D. (2025). Investigating the impact of tillering on yield and yield-related traits in European rice cultivars. Agriculture, 15(6), 616. https://org/10.3390/agriculture15060616 [Google Scholar] [Crossref]

21. Khaliq, A., Perveen, S., Alamer, K. H., Zia Ul Haq, M., Rafique, Z., Alsudays, I. M., Althobaiti, A. T., Saleh, M. A., Hussain, S., & Attia, H. (2022). Arbuscular mycorrhizal fungi symbiosis to enhance plant–soil interaction. Sustainability, 14(13), 7840.https://org/10.3390/su14137840. [Google Scholar] [Crossref]

22. Kumar, A., Bahadur, I., Maurya, B. R., Raghuwanshi, R., Meena, V. S., Singh, D. K., & Dotaniya, M. L. (2017). Does a plant growth-promoting rhizobacteria enhance agriculturalsustainability? Journal of Pure and Applied Microbiology, 11(2), 1119-1131. [Google Scholar] [Crossref]

23. Kumar, R., Kumawat, N., & Sahu, Y. K. (2017). Role of biofertilizers in agriculture. Popular kheti, 5(4), 63-66. [Google Scholar] [Crossref]

24. Kumar, A., Singh, R., & Verma, S. (2019). Effect of biofertilizers on growth and yield attributes of rice (Oryza sativa L.). Journal of Pharmacognosy and Phytochemistry, 8(3), 2476–2479. [Google Scholar] [Crossref]

25. Kumar, V., Singh, P., Jorquera, M. A., Sangwan, P., Kumar, P., Verma, A. K., ... & Kumar, S. (2020). Isolation of plant growth-promoting bacteria and their impact on rice grain quality and yield. Applied Soil Ecology, 156, 103711. [Google Scholar] [Crossref]

26. Khumairah, F. H., et al. (2022). Halotolerant plant growth-promoting rhizobacteria for enhancing rice growth and stress tolerance. Frontiers in Microbiology, 13, Article 905210. [Google Scholar] [Crossref]

27. Koutroubas, S. D., Katsantonis, D., & Ntanos, D. A. (2020). Grain quality characteristics and yield of rice as affected by cultivar and environment. Journal of Cereal Science, 91, 102869. https://org/10.1016/j.jcs.2019.102869 [Google Scholar] [Crossref]

28. Lim, S. F., & Matu, S. U. (2015). Utilization of agro-wastes to producebiofertilizer. International Journal of Energy and Environmental Engineering, 6, 31-35. [Google Scholar] [Crossref]

29. Map of Sagbayan https://ppdo.bohol.gov.ph/ppdofiles/Maps/MunicipalMaps/Sagbayan/BsicMaps/JPGs/Base%20Map%20A4%20Landscape.jpg [Google Scholar] [Crossref]

30. Mahmud, A. A., Upadhyay, S. K., Srivastava, A. K., & Bhojiya, A. A. (2021). Biofertilizers: A nexus between soil fertility and crop productivity under abiotic stress. Current Research in Environmental Sustainability, 3(100063). https://org/10.1016/j.crsust.2021.100063. [Google Scholar] [Crossref]

31. Marpaung, W. M. R., Karyawati, A. S., & Maghfoer, M. D. (2025). Effect combination of nitrogen fertilizer doses and plant growth promoting rhizobacteria (PGPR) concentrations on growth and yield of rice (Oryza sativa L.) variety Inpari 32. Agronomy Study Program, Faculty of Agriculture, Brawijaya University. [Google Scholar] [Crossref]

32. Mishra, A., & Dash, S. (2020). Effect of organic and biofertilizers on growth, yield and quality of rice (Oryza sativa L.). Journal of Pharmacognosy and Phytochemistry, 9(5), 1731–1735. [Google Scholar] [Crossref]

33. Mahanty, T., Bhattacharjee, S., Goswami, M., Bhattacharyya, P., Das, B., Ghosh, A., & Tribedi, P. (2017). Biofertilizers: a potential approach for sustainable agriculture development. Environmental Science and Pollution Research, 24, 3315-3335.https://www.researchgate.net/profile/TrishnaMahanty/publication/310622142_Biofertilizers_a_potential_approach_or_sustainable_agriculture_development/links/5b55a7240f7e9b240ffd56f/Biofertilizers-a-potential-approach-for-sustainable-agriculture development.pdf [Google Scholar] [Crossref]

34. Naher, U. A., Panhwar, Q. A., Othman, R., Ismail, M. R., & Berahim, Z. (2016). Biofertilizer as a supplement of chemical fertilizer for yield maximization of rice. Journal of Agriculture, Food and Development, 2(16-22). https://org/10.30635/2415-0142.2016.02.3. [Google Scholar] [Crossref]

35. Nosheen, S., Ajmal, I., & Song, Y. (2021). Microbes as biofertilizers, a potential approach for sustainable crop production. Sustainability, 13(4), 1868. https://www.mdpi.com/2071-1050/13/4/1868 [Google Scholar] [Crossref]

36. Noraida, M. R., & Hisyamuddin, M. R. A. (2021). The effect of different rates of biofertilizer on the growth performance and yield of rice. IOP Conference Series: Earth and Environmental Science, 757, 012050. https://org/10.1088/1755-1315/757/1/012050 [Google Scholar] [Crossref]

37. Ngalimat, M. S., et al. (2021). Plant growth-promoting bacteria as an emerging tool to manage rice pathogens and improve growth. Frontiers in Plant Science. [Google Scholar] [Crossref]

38. Nguyen, T. H., Tran, D. T., & Pham, V. T. (2018). Effects of nutrient management and environmental conditions on rice grain quality. International Journal of Agronomy, 2018, 1–9. https://org/10.1155/2018/2132849 [Google Scholar] [Crossref]

39. Nguyen, T. T., Tran, H. T., & Pham, Q. H. (2019). Role of biofertilizers in sustainable rice production: Effects on soil fertility and crop performance. Agronomy, 9(11), 728. https://org/10.3390/agronomy9110728 [Google Scholar] [Crossref]

40. Patel, D. B., Mistry, J. J., & Patel, V. M. (2017). Farmers’ perception on use of biofertilizers. Gujarat Journal of Extension Education, 28(2), 357–360. http://www.gjoee.org/papers/10.pdf [Google Scholar] [Crossref]

41. Prajapati, M. M., Thakkar, K. A., & Patel, R. N. (2017). Development and standardize scale to measure attitude of the farmers towards recommended farm technologies. Gujarat Journal of Extension Education, 28(2), 211–213. http://www.gjoee.org/papers/20.pdf [Google Scholar] [Crossref]

42. Rahman, M. M., Nahar, K., Rahman, M. M., Hossain, M. S., Hasan, M. R., & Khatun, M. F. (2024). Assessment of farmers' knowledge, attitude, and challenges towards biofertilizer application in the Northern Region of Bangladesh. ResearchGate.https://www.researchgate.net/publication/388797322 [Google Scholar] [Crossref]

43. Rahman, M. A., Islam, M. T., & Alam, M. S. (2021). Integrated nutrient management on rice yield and soil fertility in Bangladesh. Agricultural Science Digest, 41(2), 134–139. [Google Scholar] [Crossref]

44. Rathnathilaka, T., Premarathna, M., Madawala, S., Pathirana, A., Karunaratne, K., & Seneviratne, G. (2023). Biofilm biofertilizer application rapidly increases soil quality and grain yield in large scale conventional rice cultivation: a case study. Journal of Plant Nutrition, 46(7), 1220-1230.https://www.tandfonline.com/doi/abs/10.1080/01904167.2022.2067064 [Google Scholar] [Crossref]

45. Republic of the Philippines. (2010). Republic Act No. 10068: Organic Agriculture Act of 2010. https://lawphil.net/statutes/repacts/ra2010/ra_10068_2010.html [Google Scholar] [Crossref]

46. Republic of the Philippines. (2020). Republic Act No. 11511: An act amending Republic Act No. 10068 or the Organic Agriculture Act of 2010.https://lawphil.net/statutes/repacts/ra2020/ra_11511_2020.html [Google Scholar] [Crossref]

47. Republic of the Philippines. (1987). The 1987 Constitution of the Republic of the Philippines: Article II - Declaration of Principles and State Policies, Section 16.http://hrlibrary.umn.edu/research/Philippines/PHILIPPINE%20CONSTTUTION.pdf#page=39 [Google Scholar] [Crossref]

48. Singh, R. P., Jha, P. N., & Jha, P. (2019). The multifunctional role of biofertilizers in theimprovement of crop production and sustainable agriculture: A review. Agriculture andNatural Resources, 53(1), 1-9. [Google Scholar] [Crossref]

49. Sharifuddin, J., Mohammed, Z. A., & Terano, R. (2016). Rice farmers' perception and attitude toward organic farming adoption. Jurnal Agro Ekonomi, 34(1), 35-46. [Google Scholar] [Crossref]

50. Shanmugam, S., Jahan, N., Lee, C. H., & Kim, S. (2022). Integrating biofertilizers with organic fertilizers enhances photosynthetic efficiency and upregulates chlorophyll-related gene expression in rice. Sustainability, 14(21), 14173. https://org/10.3390/su142114173 [Google Scholar] [Crossref]

51. Sharma, A., & Shrestha, S. (2020). Effect of bio and chemical fertilizers on the agronomic characteristics of rice (Oryza sativa L.) in Nepal. Journal of Agriculture and Natural Resources, 3(2), 285–294. https://org/10.3126/janr.v3i2.50695 [Google Scholar] [Crossref]

52. Sahoo, R. K., Ansari, M. W., Pradhan, M., Dangar, T. K., Mohanty, S., & Tuteja, N. (2023). Beneficial microbial consortia for improving grain quality and yield in rice. Frontiers in Microbiology, 14, 122–132. [Google Scholar] [Crossref]

53. Singh, A., Singh, S., & Kumar, V. (2021). Biofertilizer-mediated nutrient enhancement and quality improvement in rice grains. Journal of Plant Nutrition, 44(18), 2721–2730. [Google Scholar] [Crossref]

54. Sobti, R. C., Arora, N. K., & Kothari, R. (Eds.). (2019). Environmental Biotechnology: For Sustainable Future. Springer Nature Singapore Pte Ltd. Environmental_Biotechnology_For_Sustaina.pdf. [Google Scholar] [Crossref]

55. Sujianto, E. G., Saptana, Syahyuti, Darwis, V., Ashari, M., Syukur, M., Ariningsih, E., Saliem, H. P., Mardianto, S., & Marhendro. (2022). Farmers’ perception, awareness, and constraints of organic rice farming in Indonesia. Open Agriculture, 7(1), 284–299.https://org/10.1515/opag-2022-0090 [Google Scholar] [Crossref]

56. Singh, N., Choudhary, S., & Yadav, A. (2020). Influence of biofertilizers on yield and quality of rice in different soil conditions. International Journal of Chemical Studies, 8(2), 2551–2555.* [Google Scholar] [Crossref]

57. Singh, R., Sharma, R., & Sharma, S. (2018). Influence of biofertilizer application on growth and yield attributes of rice (Oryza sativa L.). International Journal of Current Microbiology and Applied Sciences, 7(2), 1028–1036. https://org/10.20546/ijcmas.2018.702.129 [Google Scholar] [Crossref]

58. The 1987 Philippines Constitution, particularly Article II Declaration of Principles and State Policies, Section 16.http://hrlibrary.umn.edu/research/Philippines/PHILIPPINE%20CONSTTUTION.pdf#page=39.64 [Google Scholar] [Crossref]

59. Thuc, L. V., Huu, T. N., Ngoc, T. M., Hue, N. H., Quang, L. T., Xuan, D. T., Nhan, T. C., Xuan, L. N. T., Thu, L. T. M., Akagi, I., Sakagami, J.-I., & Khuong, N. Q. (2022). Effects of nitrogen fertilization and nitrogen-fixing endophytic bacteria supplementation on soil fertility, N uptake, growth, and yield of sesame (Sesamum indicum L.). Applied and EnvironmentalSoil Science, 2022, Article 1972585. https://doi.org/10.1155/2022/1972585 [Google Scholar] [Crossref]

60. Vassilev, N., Vassileva, M., Lopez, A., Martos, V., Reyes, A., Maksimovic, I., Eichler-Löbermann, B., & Malusa, E. (2015). Unexploited potential of some biotechnological techniques for biofertilizer production and formulation. Applied Microbiology and Biotechnology, 99, 4983–4996. https://doi.org/10.1007/s00253-015-6594-2. [Google Scholar] [Crossref]

61. Wang, Y., et al. (2017). Effects of nitrogen and tiller type on grain yield in rice. PMC. [Google Scholar] [Crossref]

62. Wang, Y. (2024). Enhancing rice productivity and grain quality with plant growth promoting microorganisms. Frontiers in Crop Science, 5(2), 98–112. [Google Scholar] [Crossref]

63. Wang, F., Tang, Y., & He, H. (2021). Relationships between tillering dynamics, grain filling, and rice quality under different cultivation systems. Agronomy, 11(5), 978. https://org/10.3390/agronomy11050978 [Google Scholar] [Crossref]

64. Yousefi, A., Khavazi, K., & Ghorbani, F. (2021). Biofertilizer impacts on growth, yield, and quality of rice under sustainable cultivation systems. Environmental Science and Pollution Research, 28(16), 20587–20599. https://org/10.1007/s11356-020-12189-5 [Google Scholar] [Crossref]

65. Zhao, C., Li, Y., Zhang, F., & Zhang, H. (2019). Impact of tiller number and panicle formation on yield and quality of hybrid rice varieties. Field Crops Research, 231, 12–20. https://org/10.1016/j.fcr.2018.11.001 [Google Scholar] [Crossref]

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