Mineralization and nutrient release pattern of vermicast-sawdust mixed media with or without addition of Trichoderma viride
A combination of vermicast and sawdust mixed medium is commonly used in horticulture, but the added benefit of microbial inoculation and mechanism of nutrient availability are unknown. This study was done to determine nutrient mineralization and nutrient release patterns of different combinations or...
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| creator | Lin, Suwen Gunupuru, Lokanadha Rao Ofoe, Raphael Saleh, Roksana Asiedu, Samuel Kwaku Thomas, Raymond H Abbey, Lord |
| description | A combination of vermicast and sawdust mixed medium is commonly used in horticulture, but the added benefit of microbial inoculation and mechanism of nutrient availability are unknown. This study was done to determine nutrient mineralization and nutrient release patterns of different combinations or a mix of vermicast-sawdust growing media amended with or without Trichoderma viride (105 spores/g). The mixed-media treatments were (1) 80% vermicast+20% sawdust; (2) 60% vermicast+40% sawdust; (3) 40% vermicast+60% sawdust; (4) 20% vermicast+80% sawdust; and (5) sawdust alone (control). Total dissolved solids, electric conductivity and salinity increased with each sampling time following submergence in deionized. Nutrients released from media without T. viride were significantly higher than the corresponding media with added T. viride. Overall, the starting total nitrogen of the different media did not change during the incubation period, but nitrate-nitrogen was reduced to a negligible amount by the end of day 30 of incubation. A repeated measures analysis showed a significant effect of Time*T. viride*Treatment on total dissolved solids. Redundancy analysis demonstrated a positive and strong association between media composed of ≥40% vermicast and ≤60% sawdust with or without T. viride and mineral nutrients released, electrical conductivity, total dissolved solids and salinity. These findings suggest that fast-growing plants may benefit from 40% to 60% vermicast added to 40% to 60% sawdust without T. viride while slow-growing plants can benefit from the same mixed medium combined with the addition of T. viride. Further investigation is underway to assess microbial dynamics in the mixed media and their influence on plant growth. |
| doi_str_mv | 10.1371/journal.pone.0254188 |
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This study was done to determine nutrient mineralization and nutrient release patterns of different combinations or a mix of vermicast-sawdust growing media amended with or without Trichoderma viride (105 spores/g). The mixed-media treatments were (1) 80% vermicast+20% sawdust; (2) 60% vermicast+40% sawdust; (3) 40% vermicast+60% sawdust; (4) 20% vermicast+80% sawdust; and (5) sawdust alone (control). Total dissolved solids, electric conductivity and salinity increased with each sampling time following submergence in deionized. Nutrients released from media without T. viride were significantly higher than the corresponding media with added T. viride. Overall, the starting total nitrogen of the different media did not change during the incubation period, but nitrate-nitrogen was reduced to a negligible amount by the end of day 30 of incubation. A repeated measures analysis showed a significant effect of Time*T. viride*Treatment on total dissolved solids. Redundancy analysis demonstrated a positive and strong association between media composed of ≥40% vermicast and ≤60% sawdust with or without T. viride and mineral nutrients released, electrical conductivity, total dissolved solids and salinity. These findings suggest that fast-growing plants may benefit from 40% to 60% vermicast added to 40% to 60% sawdust without T. viride while slow-growing plants can benefit from the same mixed medium combined with the addition of T. viride. 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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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Redundancy analysis demonstrated a positive and strong association between media composed of ≥40% vermicast and ≤60% sawdust with or without T. viride and mineral nutrients released, electrical conductivity, total dissolved solids and salinity. These findings suggest that fast-growing plants may benefit from 40% to 60% vermicast added to 40% to 60% sawdust without T. viride while slow-growing plants can benefit from the same mixed medium combined with the addition of T. viride. Further investigation is underway to assess microbial dynamics in the mixed media and their influence on plant growth.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>34237112</pmid><doi>10.1371/journal.pone.0254188</doi><tpages>e0254188</tpages><orcidid>https://orcid.org/0000-0003-2219-1752</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | PloS one, 2021-07, Vol.16 (7), p.e0254188 |
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| source | PubMed (Medline); MEDLINE; DOAJ Directory of Open Access Journals; EZB-FREE-00999 freely available EZB journals; Free Full-Text Journals in Chemistry; Public Library of Science (PLoS) |
| subjects | Agriculture Analysis Biology and Life Sciences Culture Media - chemistry Deionization Earth Sciences Ecology and Environmental Sciences Electrical conductivity Electrical resistivity Environmental science Food Fossilization Fungi Fungicides Horticulture Inoculation Laboratories Media Medicine and Health Sciences Microorganisms Mineralization Mixed media Nitrates Nitrogen Nitrogen - metabolism Nutrient availability Nutrient release Nutrients Nutrients - metabolism Pathogens Physical Sciences Plant growth Properties Redundancy Salinity Salinity effects Sawdust Soil - chemistry Spores Submergence Total dissolved solids Trichoderma - metabolism Trichoderma viride Wood - microbiology Wood waste |
| title | Mineralization and nutrient release pattern of vermicast-sawdust mixed media with or without addition of Trichoderma viride |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-17T20%3A01%3A12IST&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=Mineralization%20and%20nutrient%20release%20pattern%20of%20vermicast-sawdust%20mixed%20media%20with%20or%20without%20addition%20of%20Trichoderma%20viride&rft.jtitle=PloS%20one&rft.au=Lin,%20Suwen&rft.date=2021-07-08&rft.volume=16&rft.issue=7&rft.spage=e0254188&rft.pages=e0254188-&rft.issn=1932-6203&rft.eissn=1932-6203&rft_id=info:doi/10.1371/journal.pone.0254188&rft_dat=%3Cgale_plos_%3EA667864968%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=2549722024&rft_id=info:pmid/34237112&rft_galeid=A667864968&rft_doaj_id=oai_doaj_org_article_55c0a06a10744fc38558c7ab4b2a6fba&rfr_iscdi=true |