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Effects of different fertilization methods on Lolium multiflorum Lam. growth and bacterial community in waste slag

Liu, Boyu ; WeiXie, LuYao ; Deng, Ran ; Lei, Ningfei ; Pu, Shengyan ; Li, Jing

Environmental science and pollution research international, 2023-05, Vol.30 (21), p.60538-60551 [Periódico revisado por pares]

Berlin/Heidelberg: Springer Berlin Heidelberg

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Título:
Effects of different fertilization methods on Lolium multiflorum Lam. growth and bacterial community in waste slag
Autor: Liu, Boyu ; WeiXie, LuYao ; Deng, Ran ; Lei, Ningfei ; Pu, Shengyan ; Li, Jing
Assuntos: Aquatic Pollution ; Atmospheric Protection/Air Quality Control/Air Pollution ; Bacillus subtilis ; Bacteria ; Earth and Environmental Science ; Ecosystem ; Ecotoxicology ; Environment ; Environmental Chemistry ; Environmental Health ; Environmental science ; Eutrophication ; Fertilization ; Fertilizer application ; Fertilizers ; Fertilizers - analysis ; Inoculation ; Lolium ; Lolium multiflorum ; Nitrogen - analysis ; Nutrient content ; Nutrient cycles ; Phosphates - pharmacology ; Phosphorus ; Phosphorus - pharmacology ; Redundancy ; Research Article ; Slag ; Soil ; Soil Microbiology ; Waste Water Technology ; Water Management ; Water Pollution Control
É parte de: Environmental science and pollution research international, 2023-05, Vol.30 (21), p.60538-60551
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Waste slag has low nutrient content, so it has insufficient nutrient cycling and transformation in the soil ecosystem. There are few studies on the application of oligotrophic phosphate-solubilizing bacteria and phosphate (P) fertilizer to improve the properties of waste slags. In this study, three oligotrophic bacterial strains with P solubilizing activity, namely, Bacillus subtilis 2C (7.23 μg/mL), Bacillus subtilis 6C (4.07 μg/mL), and Bacillus safensis 2N (5.05 μg/mL), were isolated from waste slags. In the pot experiment, compared with no application of P fertilizer, inoculation of Bacillus subtilis 2C with a 50% recommended dose of P fertilizer significantly increased the available phosphorus (AP), total phosphorus (TP), and total nitrogen (TN) in slag by 33.16%, 76.70%, and 233.33%, respectively. The N, P uptake and fresh weight of Lolium multiflorum Lam. were significantly improved by 114.15%, 139.02%, and 100%, respectively. The analysis of the bacterial community showed that the application of P fertilizer decreased the diversity and richness of the bacterial community, and with the addition of phosphorus fertilizer and Bacillus subtilis 2C, the bacterial community in the slag developed towards eutrophication. Redundancy analysis (RDA) showed that the TP content in the slag was significantly correlated with the bacterial community ( P = 0.001, < 0.01), followed by the TN content. This study on different P fertilizer application methods can provide some basic ideas for improving the performance of waste slag.
Editor: Berlin/Heidelberg: Springer Berlin Heidelberg
Idioma: Inglês

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Effects of different fertilization methods on Lolium multiflorum Lam. growth and bacterial community in waste slag

Liu, Boyu ; WeiXie, LuYao ; Deng, Ran ; Lei, Ningfei ; Pu, Shengyan ; Li, Jing

Berlin/Heidelberg: Springer Berlin Heidelberg

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