Speciation Analysis Method of Heavy Metals in Organic Fertilizers: A Review

Wang, Juan; Wang, Xuejing; Li, Guoxue; Ding, Jingtao; Shen, Yujun; Liu, Di; Cheng, Hongsheng; Zhang, Ying; Li, Ran

doi:10.3390/su142416789

Cited by 12 publications

(4 citation statements)

References 59 publications

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“…The content of nickel reduced in all fractions after the experiments finished (plant collection). The mobility of heavy metals resulting in uptake by plants is dependent on the content of organic matter (fraction 4 in Tessier sequential extraction) [23,24]. The stability of humic substance-metal cation complexes depends on the pH of the medium and increases with pH, the nature of the ions and the presence of different ions.…”

Section: Resultsmentioning

confidence: 99%

Study of Compost Based on Sewage Sludge and Different Structural Materials

Kosobucki

2024

Biomass

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The characterization of compost compositions on the basis of sewage sludge and structural materials (straw, sawdust, bark) composting is described. A comparison of the methods most often used for composting and characterization of structural materials is also presented. Sewage sludge and structural materials were mixed in different ratios and composted in piles (laboratory scale) for 3 months. During this time, the composting process was controlled using standard methods. The bioavailability of some xenobiotics in an agriculture experiment (using beans) was also investigated.

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Section: Resultsmentioning

confidence: 99%

Study of Compost Based on Sewage Sludge and Different Structural Materials

Kosobucki

2024

Biomass

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“…Based on a 62-year experiment, Mensik et al [17] showed that fertilisation with only NPK reduces the content and quality of OM (lower content of TOC, humic substances, predominance of FAs over HAs), whereas the use of manure resulted in an increase in the content and quality of OM (increase in TOC, humic substances and humic acids). In addition to the undoubted benefits of such fertilisation, there is a danger of enriching soils with heavy metals contained in these fertilisers [18,19]. Consumption of food produced on soils with organic fertilisers containing heavy metals in their composition can cause serious health problems for both animals and humans [20].…”

Section: Introductionmentioning

confidence: 99%

Mineral Components, Organic Matter Quality and Soil Enzymatic Activity under the Influence of Differentiated Farmyard Manure and Nitrogen Fertilisation

Lemanowicz,

Bartkowiak,

Dębska

et al. 2024

Minerals

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Research was carried out on the impact of long-term use of cattle manure (30 t ha−1 FYM) and various doses of N (0, 40, 60 and 120 t ha−1) in the form of ammonium nitrate on the following soil parameters: salinity, hydrolytic acidity, total exchangeable base cations, cation exchange capacity, degree of base saturation of the sorption complex, total organic carbon and total nitrogen content, dissolved organic matter, fractional composition of organic matter and content of bioavailable macroelements: phosphorus, potassium and magnesium in the soil of a multi-year static field experiment. The activities of dehydrogenases, catalase, alkaline and acid phosphatase and proteases were also tested. A significant effect of FYM and N fertilisation on the content of bioavailable macroelements was found. The application of manure at a dose of 30 t ha−1 mitigated the negative effects of the application of N at a dose of 120 kg ha−1. A higher content of total organic carbon (8.42 g kg−1) and humic acid fraction (1761 mg kg−1) and higher values of the CHA/CFA ratio (0.79; parameters that are indicators of soil quality) were found in the soil fertilised with manure compared to the soil without manure added (TOC—7.00 g kg−1; CHAs—1285 mg kg−1; CHAs/CFAs 0.66). The activity of the tested enzymes was also significantly determined by the applied fertilisation. Enzyme activity was highest in the soil to which manure had been applied. Nitrogen fertilisation varied in its impact on the activity of enzymes according to the specifics of each enzyme. The content of humic acids and CHA/CFA values correlated positively with the content of soil minerals and the activity of dehydrogenases, catalase, alkaline and acid phosphatase and GMea and TEI indices. Dehydrogenases and acid phosphatase can be considered enzymes that take part in transforming organic matter towards the formation of FAs.

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“…The reducible state and oxidizable state can be transformed into acid extractable state under certain conditions, which can be indirectly absorbed and utilized by plants. Residual heavy metals are mainly found in the soil lattice, with high stability, which are not easily released in a short time and cannot be absorbed and utilized by plants (Wang et al, 2005(Wang et al, , 2022. Bian et al (2014) found that biochar addition considerably reduced Pb bioavailability by 59.1%.…”

Section: Introductionmentioning

confidence: 99%

Combined contribution of biochar and introduced AM fungi on lead stability and microbial community in polluted agricultural soil

Chen,

Tang,

et al. 2023

Front. Microbiol.

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IntroductionLead (Pb) pollution in agricultural soil has been accelerated by industrial development and human activities, and poses a major threat to agricultural ecosystems. Both biochar and arbuscular mycorrhiza (AM) fungi are considered to play an important role in remediation of Pb contaminated soil.MethodsThe combined remediation effects of introduced AM fungi and biochar on soil properties, Pb availability, microbial community and functional profiles were systematically investigated in unsterilized Pb-polluted agricultural soil.ResultsResults indicated that soil nutrients were significantly improved through the combined application of biochar and introduced AM fungi. The introduced AM fungi combined with biochar prepared at 400°C and 500°C promoted the transformation of Pb to a more stable state with low bioavailability. Moreover, the addition of AM fungi and biochar affected the relative abundances of dominant bacteria and fungi at the phylum and genus levels. Biochar mainly affected soil bacterial community and obviously increased the relative abundance of Actinobacteria and Blastococcus. The interactions between biochar and introduced AM fungi mainly affected fungal community, and increased the abundance of Ascomycota and Botryotrichum. Further, PICRUSt analysis indicated biochar amendment supported stronger bacterial metabolic functional potentials.DiscussionTherefore, the combined application of biochar and Therefore, the combined application of biochar and introduced AM fungi could improve soil nutrients, reduce Pb introduced AM fungi could improve soil nutrients, reduce Pb availability, availability, and show and show a positive effect on a positive effect on indigenous microbial communities and indigenous microbial communities and metabolic functions in metabolic functions in farmland soil.

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Speciation Analysis Method of Heavy Metals in Organic Fertilizers: A Review

Cited by 12 publications

References 59 publications

Study of Compost Based on Sewage Sludge and Different Structural Materials

Study of Compost Based on Sewage Sludge and Different Structural Materials

Mineral Components, Organic Matter Quality and Soil Enzymatic Activity under the Influence of Differentiated Farmyard Manure and Nitrogen Fertilisation

Combined contribution of biochar and introduced AM fungi on lead stability and microbial community in polluted agricultural soil

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