Biofertilizers from wastewater treatment as a potential source of mineral nutrients for growth of amaranth plants
Exploring alternative fertilizers is crucial in agriculture due to the cost and environmental impact of inorganic options. This study investigated the potential of sewage-derived biofertilizers on the growth and physiology of Amaranthus cruentus plants. Various treatments were compared, including co...
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| creator | Ferreira, Elisa Teófilo Barrochelo, Sarah Corrêa de Melo, Sarah de Paula Araujo, Thainá Xavier, Augusto Cesar Coelho Cechin, Inês da Silva, Gustavo Henrique Ribeiro |
| description | Exploring alternative fertilizers is crucial in agriculture due to the cost and environmental impact of inorganic options. This study investigated the potential of sewage-derived biofertilizers on the growth and physiology of Amaranthus cruentus plants. Various treatments were compared, including control treatments with inorganic fertilizer and treatments with biofertilizers composed of microalgae, biosolids and reclaimed water. The following traits were investigated: photosynthetic pigments, gas exchange, growth, and leaf nutrient concentrations. The results showed that the concentrations of N, P, Cu, Fe Zn and Na nutrients, in the dry microalgae and biosolids, were quite high for the needs of the plants. The wet microalgae presented high concentration of Cu, Fe and Zn nutrients while reclaimed water contained high concentration of N, K, Ca and S. Na and Zn nutrients increased in the leaf of plants treated with dry microalgae and biosolid, respectively. At the beginning of the flowering phase, total chlorophyll and carotenoids contents were lower for plants grown with wet microalgae while for plants grown with higher doses of biosolid or reclaimed water total chlorophyll was increased, and carotenoids were not affected. Lower photosynthetic pigments under wet microalgae resulted in lower photosynthetic rates. On the other hand, amendments with dry microalgae and biosolid increased photosynthetic rates with the biosolid being the most effective. Higher applications of biosolid, wet and dry microalgae produced a considerable increase in shoot biomass of amaranth, with the dry microalgae being the most effective. Additionally, reclaimed water obtained after tertiary treatment of sewage with microalgae and biosolids applied alone showed promising effects on plant growth. Overall, these findings suggest that organic fertilizers derived from sewage treatment have the potential to enhance plant growth and contribute to sustainable agricultural practices. |
| doi_str_mv | 10.1371/journal.pone.0295624 |
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This study investigated the potential of sewage-derived biofertilizers on the growth and physiology of Amaranthus cruentus plants. Various treatments were compared, including control treatments with inorganic fertilizer and treatments with biofertilizers composed of microalgae, biosolids and reclaimed water. The following traits were investigated: photosynthetic pigments, gas exchange, growth, and leaf nutrient concentrations. The results showed that the concentrations of N, P, Cu, Fe Zn and Na nutrients, in the dry microalgae and biosolids, were quite high for the needs of the plants. The wet microalgae presented high concentration of Cu, Fe and Zn nutrients while reclaimed water contained high concentration of N, K, Ca and S. Na and Zn nutrients increased in the leaf of plants treated with dry microalgae and biosolid, respectively. At the beginning of the flowering phase, total chlorophyll and carotenoids contents were lower for plants grown with wet microalgae while for plants grown with higher doses of biosolid or reclaimed water total chlorophyll was increased, and carotenoids were not affected. Lower photosynthetic pigments under wet microalgae resulted in lower photosynthetic rates. On the other hand, amendments with dry microalgae and biosolid increased photosynthetic rates with the biosolid being the most effective. Higher applications of biosolid, wet and dry microalgae produced a considerable increase in shoot biomass of amaranth, with the dry microalgae being the most effective. Additionally, reclaimed water obtained after tertiary treatment of sewage with microalgae and biosolids applied alone showed promising effects on plant growth. Overall, these findings suggest that organic fertilizers derived from sewage treatment have the potential to enhance plant growth and contribute to sustainable agricultural practices.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0295624</identifier><identifier>PMID: 38117795</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Agreements ; Agricultural practices ; Agricultural wastes ; Agriculture ; Agrochemicals ; Algae ; Amaranth ; Amaranthus ; Amaranthus cruentus ; Aquatic microorganisms ; Biofertilizers ; Biology and Life Sciences ; Biomass ; Biosolids ; Carotenoids ; Chlorophyll ; Copper ; Crops ; Dietary minerals ; Effluents ; Energy consumption ; Engineering and Technology ; Environmental impact ; Evaluation ; Fertilizers ; Flowering ; Gas exchange ; Growth ; Influence ; Leaves ; Medicine and Health Sciences ; Microalgae ; Mineral fertilizers ; Minerals ; Natural resources ; Nutrient concentrations ; Nutrients ; Organic fertilizers ; Phosphatic fertilizers ; Photosynthesis ; Photosynthetic pigments ; Physical Sciences ; Physiological aspects ; Pigments ; Plant growth ; Plants ; Plants (botany) ; Productivity ; Properties ; Purification ; Reclaimed water ; Reclamation ; Sewage ; Sewage treatment ; Sewage treatment plants ; Sludge ; Solid wastes ; Sustainable agriculture ; Sustainable practices ; Tertiary treatment ; Wastewater treatment ; Water ; Water Purification ; Water reclamation ; Water treatment ; Zinc ; Zinc in the body</subject><ispartof>PloS one, 2023-12, Vol.18 (12), p.e0295624-e0295624</ispartof><rights>Copyright: © 2023 Ferreira et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.</rights><rights>COPYRIGHT 2023 Public Library of Science</rights><rights>2023 Ferreira et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2023 Ferreira et al 2023 Ferreira et al</rights><rights>2023 Ferreira et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. 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This study investigated the potential of sewage-derived biofertilizers on the growth and physiology of Amaranthus cruentus plants. Various treatments were compared, including control treatments with inorganic fertilizer and treatments with biofertilizers composed of microalgae, biosolids and reclaimed water. The following traits were investigated: photosynthetic pigments, gas exchange, growth, and leaf nutrient concentrations. The results showed that the concentrations of N, P, Cu, Fe Zn and Na nutrients, in the dry microalgae and biosolids, were quite high for the needs of the plants. The wet microalgae presented high concentration of Cu, Fe and Zn nutrients while reclaimed water contained high concentration of N, K, Ca and S. Na and Zn nutrients increased in the leaf of plants treated with dry microalgae and biosolid, respectively. At the beginning of the flowering phase, total chlorophyll and carotenoids contents were lower for plants grown with wet microalgae while for plants grown with higher doses of biosolid or reclaimed water total chlorophyll was increased, and carotenoids were not affected. Lower photosynthetic pigments under wet microalgae resulted in lower photosynthetic rates. On the other hand, amendments with dry microalgae and biosolid increased photosynthetic rates with the biosolid being the most effective. Higher applications of biosolid, wet and dry microalgae produced a considerable increase in shoot biomass of amaranth, with the dry microalgae being the most effective. Additionally, reclaimed water obtained after tertiary treatment of sewage with microalgae and biosolids applied alone showed promising effects on plant growth. Overall, these findings suggest that organic fertilizers derived from sewage treatment have the potential to enhance plant growth and contribute to sustainable agricultural practices.</description><subject>Agreements</subject><subject>Agricultural practices</subject><subject>Agricultural wastes</subject><subject>Agriculture</subject><subject>Agrochemicals</subject><subject>Algae</subject><subject>Amaranth</subject><subject>Amaranthus</subject><subject>Amaranthus cruentus</subject><subject>Aquatic microorganisms</subject><subject>Biofertilizers</subject><subject>Biology and Life Sciences</subject><subject>Biomass</subject><subject>Biosolids</subject><subject>Carotenoids</subject><subject>Chlorophyll</subject><subject>Copper</subject><subject>Crops</subject><subject>Dietary minerals</subject><subject>Effluents</subject><subject>Energy consumption</subject><subject>Engineering and Technology</subject><subject>Environmental impact</subject><subject>Evaluation</subject><subject>Fertilizers</subject><subject>Flowering</subject><subject>Gas exchange</subject><subject>Growth</subject><subject>Influence</subject><subject>Leaves</subject><subject>Medicine and Health Sciences</subject><subject>Microalgae</subject><subject>Mineral fertilizers</subject><subject>Minerals</subject><subject>Natural resources</subject><subject>Nutrient concentrations</subject><subject>Nutrients</subject><subject>Organic fertilizers</subject><subject>Phosphatic fertilizers</subject><subject>Photosynthesis</subject><subject>Photosynthetic pigments</subject><subject>Physical Sciences</subject><subject>Physiological aspects</subject><subject>Pigments</subject><subject>Plant growth</subject><subject>Plants</subject><subject>Plants (botany)</subject><subject>Productivity</subject><subject>Properties</subject><subject>Purification</subject><subject>Reclaimed water</subject><subject>Reclamation</subject><subject>Sewage</subject><subject>Sewage treatment</subject><subject>Sewage treatment plants</subject><subject>Sludge</subject><subject>Solid wastes</subject><subject>Sustainable agriculture</subject><subject>Sustainable practices</subject><subject>Tertiary treatment</subject><subject>Wastewater treatment</subject><subject>Water</subject><subject>Water Purification</subject><subject>Water reclamation</subject><subject>Water treatment</subject><subject>Zinc</subject><subject>Zinc in the 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Ribeiro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Biofertilizers from wastewater treatment as a potential source of mineral nutrients for growth of amaranth plants</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2023-12-20</date><risdate>2023</risdate><volume>18</volume><issue>12</issue><spage>e0295624</spage><epage>e0295624</epage><pages>e0295624-e0295624</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Exploring alternative fertilizers is crucial in agriculture due to the cost and environmental impact of inorganic options. This study investigated the potential of sewage-derived biofertilizers on the growth and physiology of Amaranthus cruentus plants. Various treatments were compared, including control treatments with inorganic fertilizer and treatments with biofertilizers composed of microalgae, biosolids and reclaimed water. The following traits were investigated: photosynthetic pigments, gas exchange, growth, and leaf nutrient concentrations. The results showed that the concentrations of N, P, Cu, Fe Zn and Na nutrients, in the dry microalgae and biosolids, were quite high for the needs of the plants. The wet microalgae presented high concentration of Cu, Fe and Zn nutrients while reclaimed water contained high concentration of N, K, Ca and S. Na and Zn nutrients increased in the leaf of plants treated with dry microalgae and biosolid, respectively. At the beginning of the flowering phase, total chlorophyll and carotenoids contents were lower for plants grown with wet microalgae while for plants grown with higher doses of biosolid or reclaimed water total chlorophyll was increased, and carotenoids were not affected. Lower photosynthetic pigments under wet microalgae resulted in lower photosynthetic rates. On the other hand, amendments with dry microalgae and biosolid increased photosynthetic rates with the biosolid being the most effective. Higher applications of biosolid, wet and dry microalgae produced a considerable increase in shoot biomass of amaranth, with the dry microalgae being the most effective. Additionally, reclaimed water obtained after tertiary treatment of sewage with microalgae and biosolids applied alone showed promising effects on plant growth. Overall, these findings suggest that organic fertilizers derived from sewage treatment have the potential to enhance plant growth and contribute to sustainable agricultural practices.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>38117795</pmid><doi>10.1371/journal.pone.0295624</doi><tpages>e0295624</tpages><orcidid>https://orcid.org/0000-0002-0741-8966</orcidid><orcidid>https://orcid.org/0000-0002-8168-9270</orcidid><orcidid>https://orcid.org/0000-0003-1674-5739</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1932-6203 |
| ispartof | PloS one, 2023-12, Vol.18 (12), p.e0295624-e0295624 |
| issn | 1932-6203 1932-6203 |
| language | eng |
| recordid | cdi_plos_journals_3072931449 |
| source | MEDLINE; DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; Free Full-Text Journals in Chemistry; Public Library of Science (PLoS) |
| subjects | Agreements Agricultural practices Agricultural wastes Agriculture Agrochemicals Algae Amaranth Amaranthus Amaranthus cruentus Aquatic microorganisms Biofertilizers Biology and Life Sciences Biomass Biosolids Carotenoids Chlorophyll Copper Crops Dietary minerals Effluents Energy consumption Engineering and Technology Environmental impact Evaluation Fertilizers Flowering Gas exchange Growth Influence Leaves Medicine and Health Sciences Microalgae Mineral fertilizers Minerals Natural resources Nutrient concentrations Nutrients Organic fertilizers Phosphatic fertilizers Photosynthesis Photosynthetic pigments Physical Sciences Physiological aspects Pigments Plant growth Plants Plants (botany) Productivity Properties Purification Reclaimed water Reclamation Sewage Sewage treatment Sewage treatment plants Sludge Solid wastes Sustainable agriculture Sustainable practices Tertiary treatment Wastewater treatment Water Water Purification Water reclamation Water treatment Zinc Zinc in the body |
| title | Biofertilizers from wastewater treatment as a potential source of mineral nutrients for growth of amaranth plants |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-05T06%3A28%3A42IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_plos_&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Biofertilizers%20from%20wastewater%20treatment%20as%20a%20potential%20source%20of%20mineral%20nutrients%20for%20growth%20of%20amaranth%20plants&rft.jtitle=PloS%20one&rft.au=Ferreira,%20Elisa%20Te%C3%B3filo&rft.date=2023-12-20&rft.volume=18&rft.issue=12&rft.spage=e0295624&rft.epage=e0295624&rft.pages=e0295624-e0295624&rft.issn=1932-6203&rft.eissn=1932-6203&rft_id=info:doi/10.1371/journal.pone.0295624&rft_dat=%3Cgale_plos_%3EA776810552%3C/gale_plos_%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=3072931449&rft_id=info:pmid/38117795&rft_galeid=A776810552&rfr_iscdi=true |