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Strategic valorization of de-oiled microalgal biomass waste as biofertilizer for sustainable and improved agriculture of rice (Oryza sativa L.) crop
Abstract
Intensive use of chemical fertilizer results in environmental pollution that disturbs the local ecosystem and causes reduction in the long-term crop yield. There is a need to explore the alternative source of plant nutrition such as de-oiled microalgal biomass as biofertilizer for sustainable production of food crops in a relatively pollution free environment. This study reports sustainable and improved agriculture of rice crop (cv. IR 36) by valorizing de-oiled microalgal biomass waste (DOMBW) of Scenedesmus sp., as eco-friendly fertilizer. The microalga (MA) was cultivated in open raceway pond using wastewater and flue gas. Performance evaluation and comparison of DOMBW with respect to growth and yield of rice plants vis-à-vis commercial chemical fertilizers (CF) and vermicompost (VC) applied individually or together, established the superiority of the former. The experiment comprised of five nutrient management treatments (CF 100, VC 100, MA 100, MA 50+CF 50, and MA 50+VC 50) meeting 100% nitrogen (N) recommendation either through a single source or combined application in the soil. Combining the application of microalgal based organic fertilizer with chemical fertilizer (MA 50+CF 50), showed the highest performance in terms of plant height, tiller number, biomass, and grain yield. At the harvest stage, MA 50+CF 50 also resulted in maximum plant dry weight, panicle weight, and 1000-grain weight in comparison to other treatments. This study revealed that the application of DOMBW as a biofertilizer is potentially sustainable and effective in improving the yields of rice crop with reduced use of chemical fertilizer.
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“Microalgae biomass improves germination, N uptake, and biomass accumulation in crops [108].”
From A Holistic Approach to Circular Bioeconomy Through the Sustainable Utilization of Microalgal Biomass for Biofuel and Other Value-Added Products (2024) · cites this paper as [108]
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Cites
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Self-citationNayak, M., Karemore, A., & Sen, R. (2016) · Algal Research · doi:10.1016/j.algal.2016.03.020 · Cited by 238
Self-citation
Research works printed but not linked: 3
- Hidaytullah, 2015, Sources, ratios and mixtures of organic and inorganic nitrogen influence plant height of hybrid rice (Oryza sativa) at various growth stages, EC Agric, 2, 328
- Juliano, 1985, vol. 98
- Kawalekar, 2013, Role of biofertilizers and biopesticides for sustainable agriculture, J. Biol. Innov., 2, 73
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Viana, C. M., Freire, D., Abrantes, P. C. D. R. M., Rocha, J., & Pereira, P. A. D. S. (2021) · The Science of The Total Environment · doi:10.1016/j.scitotenv.2021.150718 · Cited by 678
Microalgae, Soil and Plants: A Critical Review of Microalgae as Renewable Resources for Agriculture
Alvarez, A. L., Weyers, S. L., Goemann, H. M., Peyton, B. M., & Gardner, R. D. (2021) · Algal Research · doi:10.1016/j.algal.2021.102200 · Cited by 376
Parmar, P., Kumar, R., Neha, Y., & Srivatsan, V. (2023) · Frontiers in Plant Science · doi:10.3389/fpls.2023.1073546 · Cited by 279
Silambarasan, S., Logeswari, P., Sivaramakrishnan, R., Incharoensakdi, A., Cornejo, P., Kamaraj, B., & Chi, N. T. L. (2021) · Chemosphere · doi:10.1016/j.chemosphere.2020.129323 · Cited by 172
A review on co-culturing of microalgae: a greener strategy towards sustainable biofuels production
Ray, A., Nayak, M., & Ghosh, A. (2022) · Science of The Total Environment · doi:10.1016/j.scitotenv.2021.149765 · Cited by 168
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Metadata
- Authors
- Nayak, M., Swain, D. K., & Sen, R.
- Affiliations
- Indian Institute of Technology Kharagpur (IN)
- Corresponding author
- Sen, Ramkrishna
- Venue
- Science of The Total Environment
- Publisher
- Elsevier BV
- Published
- 2019-09
- Volume
- 682
- Pages
- 475-484
- ISSN
- 0048-9697 (ISSN-L)
- OpenAlex
- W2946416015
- Cited by
- 128
- References
- 50
- Citations by year
- 2026: 10 · 2025: 21 · 2024: 20 · 2023: 31 · 2022: 18 · 2021: 24 · 2020: 3 · 2019: 1
- FWCI
- 9.14
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- The Science of The Total Environment (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Department of Science and Technology, Government of West Bengal
- Topics
- Life Sciences › Agricultural and Biological Sciences › Soil Science › Agricultural Science and Fertilization
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Agriculture, Plant Science, Crop Management
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Growth Enhancement Techniques
- Keywords
- biofertilizers, rice, Scenedesmus, chemical fertilizer reduction, vermicompost, nutrient management, grain yield, sustainable agriculture
- MeSH terms
- Agriculture, Fertilizers, Oryza, Waste Disposal, Fluid, Biomass, Microalgae
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