2022
DOI: 10.3390/agronomy12081743
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Biochemical and Microbiological Soil Effects of a Biostimulant Based on Bacillus licheniformis-Fermented Sludge

Abstract: Biostimulants are substances and/or microorganisms that are applied to plants or to the rhizosphere in order to enhance the natural process improving the absorption of nutrients and the quality of crops as well as the tolerance to abiotic stresses. A new biostimulant was developed from sewage sludge through its fermentation with Bacillus licheniformis as a plant growth-promoting bacteria (PGPB). The fermented product includes three classes of biostimulant components: the B. licheniformis biomass; the enzymatic… Show more

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Cited by 5 publications
(3 citation statements)
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References 43 publications
(62 reference statements)
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“…This is very consistent with the concept of PPC [21][22][23]. Poly-γ-glutamic acid, the metabolite of Bacillus licheniformis and Bacillus subtilis, can be used to prepare environmentally friendly degradable polymer materials [24,25]. Brevibacillus laterosporus can convert propyl 4-hydroxybenzoate into gentisic acid, which is used to treat industrial wastewater and degrade toxic substances in the environment [26].…”
Section: Introductionsupporting
confidence: 69%
“…This is very consistent with the concept of PPC [21][22][23]. Poly-γ-glutamic acid, the metabolite of Bacillus licheniformis and Bacillus subtilis, can be used to prepare environmentally friendly degradable polymer materials [24,25]. Brevibacillus laterosporus can convert propyl 4-hydroxybenzoate into gentisic acid, which is used to treat industrial wastewater and degrade toxic substances in the environment [26].…”
Section: Introductionsupporting
confidence: 69%
“…The determination of plant growth-promoting traits among Bacillus representatives was the focus of many research groups to define the capability of the investigated strains to be used as active components of beneficial products from the point of view of agricultural production [ 37 , 38 , 39 , 40 ]. In this context, the ability of plant-beneficial Bacillus strains to produce hydrolytic enzymes was previously reported by many research teams [ 41 , 42 , 43 , 44 ].…”
Section: Discussionmentioning
confidence: 99%
“…The importance of specific enzymes produced by Bacillus spp. lies in their involvement in nutrient and organic matter recycling, directly influencing the quality and state of the soil in terms of fertility [ 37 ]. The availability of nutrients has a beneficial effect on plant growth and nutrition but also a stimulative effect on soil microbiota.…”
Section: Discussionmentioning
confidence: 99%