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Article: Improved water and ions dynamics in a clayey soil amended with different types of agro-industrial waste biochar

dos Santos, Wallace Melo / Gonzaga, Maria Isidoria Silva / da Silva, Airon José / de Almeida, André Quintão

Soil & tillage research. 2022 Sept., v. 223

2022

Abstract: Biochar is a beneficial amendment for fine-textured soils. In addition, the interaction of biochar particles with soil components influences the dynamics of water and ions, which is particularly important to remediate salt-affected soils. We investigated ...

Abstract	Biochar is a beneficial amendment for fine-textured soils. In addition, the interaction of biochar particles with soil components influences the dynamics of water and ions, which is particularly important to remediate salt-affected soils. We investigated the effect of sugarcane bagasse (SB), orange bagasse (OB), and corncobs (CB) biochar on water movement and ion leaching in clayey soil. Non-amended soil (CT) column and soil amended with gypsum (CTG) served as controls. Water infiltration, water flow rate, cumulative leached cations, anions, and exchangeable cations (Ca²⁺, Mg²⁺, K⁺, and Na⁺) were determined. Biochar increased the water infiltration and water flow rate by 80% and 71%, respectively. The SB and CB treatments increased the ion removal from the soil by 48%, whereas the OB increased the removal by 19%. The OB´s lower surface area and water holding capacity likely influenced its performance. Biochar reduced the Ca²⁺ and Mg²⁺ concentration on the soil exchange complex by 44% and 76%, respectively, and increased K⁺ by 233%. However, the most exciting result was the reduction of exchangeable Na⁺, 90% in the SB and CB treatments and 50% in the OB treatment. Considering that a high concentration of Na⁺ on the exchange complex contributes to soil structural degradation, biochar application, especially SB and CB, can potentially improve soil quality and mitigate salt-affected soils.
Keywords	agricultural wastes ; biochar ; calcium ; clay soils ; gypsum ; research ; soil quality ; sugarcane bagasse ; surface area ; tillage ; water flow
Language	English
Dates of publication	2022-09
Publishing place	Elsevier B.V.
Document type	Article
ZDB-ID	406698-4
ISSN	0167-1987
ISSN	0167-1987
DOI	10.1016/j.still.2022.105482
Database	NAL-Catalogue (AGRICOLA)

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Article: Water retention and availability in tropical soils of different textures amended with biochar

Araújo Santos, Joseilma / Isidoria Silva Gonzaga, Maria / Melo dos Santos, Wallace / José da Silva, Airon

Catena. 2022 Dec., v. 219

2022

Abstract: Most of the Brazilian soils have severe water limitations to crop growth and, therefore, can benefit from organic amendments. For instance, biochar is known to improve soil water dynamics and use efficiency by increasing the water holding capacity and ... ...

Abstract	Most of the Brazilian soils have severe water limitations to crop growth and, therefore, can benefit from organic amendments. For instance, biochar is known to improve soil water dynamics and use efficiency by increasing the water holding capacity and availability. This study assessed the effect of sewage sludge (SSB), green coconut residues (GCB), and sugarcane bagasse (SCB) biochars on the water retention capacity and availability of three tropical soils (Typic Quartzipsamment-TQ, Ultisol, and Luvisol). Control treatments (no biochar) were included as references. Soil bulk density, water holding capacity (WHC), water retention curves, and plant available water (AW) were determined. We also measured soil pH, organic matter content, and electrical conductivity (ECs). Biochar (SCB and GCB) increased the WHC by 62% in the Typic-Quartzipsamment, 38% in the Ultisol, and 18% in the Luvisol. The SCB increased the AW in the TQ and Ultisol by 40% and 10%, respectively. Conversely, SCB and GCB reduced the AW in the Luvisol by 22.5% and 17.5%, respectively. Biochar improved the WHC of the coarse-textured soils. In the clayey soil, biochar improved soil porosity and water transmission. We conclude that biochar can be an excellent amendment to soils across a range of textures.
Keywords	Luvisols ; Ultisols ; biochar ; catenas ; clay soils ; coconuts ; electrical conductivity ; organic matter ; plant available water ; porosity ; sewage sludge ; soil density ; soil pH ; sugarcane bagasse ; water holding capacity
Language	English
Dates of publication	2022-12
Publishing place	Elsevier B.V.
Document type	Article
ZDB-ID	519608-5
ISSN	1872-6887 ; 0008-7769 ; 0341-8162
ISSN (online)	1872-6887 ; 0008-7769
ISSN	0341-8162
DOI	10.1016/j.catena.2022.106616
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Article ; Online: COVID-19 Outbreak in a Large Penitentiary Complex, April-June 2020, Brazil.

Gouvea-Reis, Fernando A / Oliveira, Patrícia D / Silva, Danniely C S / Borja, Lairton S / Percio, Jadher / Souza, Fábio S / Peterka, Cássio / Feres, Claudia / de Oliveira, Janaína / Sodré, Giselle / Dos Santos, Wallace / de Moraes, Camile

Emerging infectious diseases

2021 Volume 27, Issue 3, Page(s) 924–927

Abstract: An outbreak of coronavirus disease began in a large penitentiary complex in Brazil on April 1, 2020. By June 12, there were 1,057 confirmed cases among inmates and staff. Nine patients were hospitalized, and 3 died. Mean serial interval was ≈2.5 days; ... ...

Abstract	An outbreak of coronavirus disease began in a large penitentiary complex in Brazil on April 1, 2020. By June 12, there were 1,057 confirmed cases among inmates and staff. Nine patients were hospitalized, and 3 died. Mean serial interval was ≈2.5 days; reproduction number range was 1.0-2.3.
MeSH term(s)	Adolescent ; Adult ; Aged ; Basic Reproduction Number ; Brazil ; COVID-19/epidemiology ; COVID-19/mortality ; Disease Outbreaks/statistics & numerical data ; Hospitalization/statistics & numerical data ; Humans ; Male ; Middle Aged ; Prisons/statistics & numerical data ; Young Adult
Language	English
Publishing date	2021-01-12
Publishing country	United States
Document type	Journal Article
ZDB-ID	1380686-5
ISSN	1080-6059 ; 1080-6040
ISSN (online)	1080-6059
ISSN	1080-6040
DOI	10.3201/eid2703.204079
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Article ; Online: SARS-CoV-2 among inmates aged over 60 during a COVID-19 outbreak in a penitentiary complex in Brazil: Positive health outcomes despite high prevalence.

Gouvea-Reis, Fernando A / Borja, Lairton S / Dias, Patrícia O / Silva, Danniely C S / Percio, Jadher / Peterka, Cássio / Silva, Guilherme O / Adjuto, Raphael N P / Tavares, Glaucia B / Cunha, Mayana B / Feres, Claudia / de Oliveira, Janaína / Sodré, Giselle / Dos Santos, Wallace / de Moraes, Camile

International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases

2021 Volume 110 Suppl 1, Page(s) S25–S27

Abstract: Objectives: To assess SARS-CoV-2 prevalence and health outcomes among inmates over 60 years during a COVID-19 outbreak in a major penitentiary complex in the Federal District, Brazil.: Methods: A mass test campaign was performed on May 13, 2020, ... ...

Abstract	Objectives: To assess SARS-CoV-2 prevalence and health outcomes among inmates over 60 years during a COVID-19 outbreak in a major penitentiary complex in the Federal District, Brazil. Methods: A mass test campaign was performed on May 13, 2020, using antibody-detection rapid tests for asymptomatic inmates and reverse transcriptase-polymerase chain reaction testing for those who were symptomatic. Those with negative results were retested on June 16. Inmates were interviewed to characterise background health conditions and the presence of symptoms. Results: A total of 159 inmates were evaluated. In the first mass testing, 79.9% (127/159) of inmates had been infected, of whom 53.5% (68/127) reported symptoms. In the second testing round, 17 new cases were identified, increasing the total to 90.6% (144/159) of inmates with a positive result. Comorbidities were present in 67.3% of inmates; 2 hospitalisations and no COVID-related deaths were recorded. Conclusion: More than 90% of inmates aged >60 years were infected with SARS-CoV-2 during the outbreak. Periodic health monitoring, active case finding and early care for symptomatic patients contributed to positive post-infection outcomes. Such measures must be considered essential for the surveillance of COVID-19 in environments with limited capacity to promote social distance, such as penitentiary institutions.
MeSH term(s)	Brazil/epidemiology ; COVID-19 ; Disease Outbreaks ; Humans ; Outcome Assessment, Health Care ; Prevalence ; Prisons ; SARS-CoV-2
Language	English
Publishing date	2021-04-09
Publishing country	Canada
Document type	Journal Article
ZDB-ID	1331197-9
ISSN	1878-3511 ; 1201-9712
ISSN (online)	1878-3511
ISSN	1201-9712
DOI	10.1016/j.ijid.2021.03.080
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Article: Predicting arsenic bioavailability to hyperaccumulator pteris vittata in arsenic-contaminated soils

Gonzaga, Maria Isidória Silva / Ma, Lena Q / Pacheco, Edson Patto / dos Santos, Wallace Melo

International journal of phytoremediation. 2012 Nov. 1, v. 14, no. 10

2012

Abstract: Using chemical extraction to evaluate plant arsenic availability in contaminated soils is important to estimate the time frame for site cleanup during phytoremediation. It is also of great value to assess As mobility in soil and its risk in environmental ...

Abstract	Using chemical extraction to evaluate plant arsenic availability in contaminated soils is important to estimate the time frame for site cleanup during phytoremediation. It is also of great value to assess As mobility in soil and its risk in environmental contamination. In this study, four conventional chemical extraction methods (water, ammonium sulfate, ammonium phosphate, and Mehlich III) and a new root-exudate based method were used to evaluate As extractability and to correlate it with As accumulation in P. vittata growing in five As-contaminated soils under greenhouse condition. The relationship between different soil properties, and As extractability and plant As accumulation was also investigated. Arsenic extractability was 4.6%, 7.0%, 18%, 21%, and 46% for water, ammonium sulfate, organic acids, ammonium phosphate, and Mehlich III, respectively. Root exudate (organic acids) solution was suitable for assessing As bioavailability (81%) in the soils while Mehlich III (31%) overestimated the amount of As taken up by plants. Soil organic matter, P and Mg concentrations were positively correlated to plant As accumulation whereas Ca concentration was negatively correlated. Further investigation is needed on the effect of Ca and Mg on As uptake by P. vittata. Moreover, additional As contaminated soils with different properties should be tested.
Keywords	Pteris vittata ; ammonium sulfate ; arsenic ; bioavailability ; calcium ; correlation ; greenhouses ; magnesium ; organic acids and salts ; phytoremediation ; polluted soils ; pollution ; prediction ; risk ; root exudates ; soil organic matter ; soil properties
Language	English
Dates of publication	2012-1101
Size	p. 939-949.
Publishing place	Taylor & Francis Group
Document type	Article
ZDB-ID	2055357-2
ISSN	1549-7879 ; 1522-6514
ISSN (online)	1549-7879
ISSN	1522-6514
DOI	10.1080/15226514.2011.636404
Database	NAL-Catalogue (AGRICOLA)

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Article: Predicting arsenic bioavailability to hyperaccumulator Pteris vittata in arsenic-contaminated soils.

Gonzaga, Maria Isidória Silva / Ma, Lena Q / Pacheco, Edson Patto / dos Santos, Wallace Melo

International journal of phytoremediation

2012 Volume 14, Issue 10, Page(s) 939–949

Abstract	Using chemical extraction to evaluate plant arsenic availability in contaminated soils is important to estimate the time frame for site cleanup during phytoremediation. It is also of great value to assess As mobility in soil and its risk in environmental contamination. In this study, four conventional chemical extraction methods (water, ammonium sulfate, ammonium phosphate, and Mehlich III) and a new root-exudate based method were used to evaluate As extractability and to correlate it with As accumulation in P. vittata growing in five As-contaminated soils under greenhouse condition. The relationship between different soil properties, and As extractability and plant As accumulation was also investigated. Arsenic extractability was 4.6%, 7.0%, 18%, 21%, and 46% for water, ammonium sulfate, organic acids, ammonium phosphate, and Mehlich III, respectively. Root exudate (organic acids) solution was suitable for assessing As bioavailability (81%) in the soils while Mehlich III (31%) overestimated the amount of As taken up by plants. Soil organic matter, P and Mg concentrations were positively correlated to plant As accumulation whereas Ca concentration was negatively correlated. Further investigation is needed on the effect of Ca and Mg on As uptake by P. vittata. Moreover, additional As contaminated soils with different properties should be tested.
MeSH term(s)	Arsenic/chemistry ; Arsenic/pharmacokinetics ; Biodegradation, Environmental ; Biological Availability ; Industrial Waste ; Mining ; Pesticides ; Pteris/metabolism ; Soil/chemistry ; Soil Pollutants/chemistry ; Soil Pollutants/pharmacokinetics
Chemical Substances	Industrial Waste ; Pesticides ; Soil ; Soil Pollutants ; Arsenic (N712M78A8G)
Language	English
Publishing date	2012-12
Publishing country	United States
Document type	Journal Article
ZDB-ID	2055357-2
ISSN	1549-7879 ; 1522-6514
ISSN (online)	1549-7879
ISSN	1522-6514
DOI	10.1080/15226514.2011.636404
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Accidents at work and living conditions among solid waste segregators in the open dump of Distrito Federal.

Hoefel, Maria da Graça / Carneiro, Fernando Ferreira / Santos, Leonor Maria Pacheco / Gubert, Muriel Bauerman / Amate, Elisa Maria / dos Santos, Wallace

Revista brasileira de epidemiologia = Brazilian journal of epidemiology

2014 Volume 16, Issue 3, Page(s) 774–785

Abstract: The work of recycling solid waste segregators allows a precarious livelihood, but triggers a disease process that exacerbates their health and well-being. This study aimed to estimate the prevalence of occupational accidents at the open dump in the ... ...

Abstract	The work of recycling solid waste segregators allows a precarious livelihood, but triggers a disease process that exacerbates their health and well-being. This study aimed to estimate the prevalence of occupational accidents at the open dump in the Federal District and its associated factors. Most segregators have had an accident at work (55.5%), perceived the danger of their working environment (95.0%) and claimed they did not receive personal protective equipment (51.7%). Among other findings, 55.8% ate foods found in the trash, 50.0% experienced food insecurity at home and 44.8% received Bolsa Família. There was a statistically significant relationship between work accidents and perception of dangerous work environment, household food insecurity and the presence of fatigue, stress or sadness (p < 0.05). On the other hand, the fellowship between the segregators was associated with a lower prevalence of accidents (p < 0.006). Women are the majority of the segregators (56.5%) and reported more accidents than men (p < 0.025). We conclude that the solid waste segregators constitute a vulnerable community, not only from the perspective of labor, but also from the social and environmental circumstances. To reverse this situation, effective implementation of the National Policy of Solid Wastes is imperative, in association with affirmative policies to grant economic emancipation for this population.
MeSH term(s)	Accidents, Occupational/statistics & numerical data ; Adolescent ; Adult ; Aged ; Brazil/epidemiology ; Female ; Humans ; Male ; Middle Aged ; Refuse Disposal ; Social Conditions/statistics & numerical data ; Solid Waste ; Young Adult
Chemical Substances	Solid Waste
Language	Portuguese
Publishing date	2014-06-01
Publishing country	Brazil
Document type	Journal Article
ZDB-ID	2183366-7
ISSN	1980-5497 ; 1415-790X
ISSN (online)	1980-5497
ISSN	1415-790X
DOI	10.1590/s1415-790x2013000300020
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Fertilization and colors of plastic mulch affect biomass and essential oil of sweet-scented geranium.

Silva, Anderson de Carvalho / Blank, Arie Fitzgerald / dos Santos, Wallace Melo / Prata, Paloma Santana / Alves, Péricles Barreto / Arrigoni-Blank, Maria de Fátima

TheScientificWorldJournal

2014 Volume 2014, Page(s) 828259

Abstract: Sweet-scented geranium (Pelargonium graveolens L'Hér), a plant belonging to the Geraniaceae family, has medicinal and aromatic properties and is widely used in the cosmetic, soap, perfume, aromatherapy, and food industries. The aim of this study was to ... ...

Abstract	Sweet-scented geranium (Pelargonium graveolens L'Hér), a plant belonging to the Geraniaceae family, has medicinal and aromatic properties and is widely used in the cosmetic, soap, perfume, aromatherapy, and food industries. The aim of this study was to evaluate the influence of fertilization and the use of different colors of plastic mulch on sweet-scented geranium biomass and essential oil. Three colors of plastic mulch (black, white, and silver-colored) and a control without plastic mulch were assessed along with three fertilizers (20,000 L · ha(-1) of cattle manure; 1,000 kg · ha(-1) of NPK 3-12-6; and 20,000 L · ha(-1) of cattle manure + 1,000 kg · ha(-1) of NPK 3-12-6 fertilizer) and a control without fertilizer. The absence of a soil cover negatively influenced the agronomical variables, while coverage with plastic mulch was associated with increased biomass. The use of fertilizer had no effect on the evaluated agronomic variables. When cattle manure and NPK 3-12-6 were used together, combined with white or black plastic mulch, the highest yields of essential oil were obtained. For the silver-colored plastic mulch, higher amounts of essential oil (6,9-guaiadien) were obtained with mineral fertilizer.
MeSH term(s)	Biomass ; Color ; Fertilization ; Geranium/chemistry ; Oils, Volatile/chemistry ; Plastics
Chemical Substances	Oils, Volatile ; Plastics
Language	English
Publishing date	2014-03-16
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2075968-X
ISSN	1537-744X ; 1537-744X
ISSN (online)	1537-744X
ISSN	1537-744X
DOI	10.1155/2014/828259
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Article ; Online: Population Genetic Analysis Reveals a High Genetic Diversity in the Brazilian Cryptococcus gattii VGII Population and Shifts the Global Origin from the Amazon Rainforest to the Semi-arid Desert in the Northeast of Brazil.

Souto, Ana C P / Bonfietti, Lucas X / Ferreira-Paim, Kennio / Trilles, Luciana / Martins, Marilena / Ribeiro-Alves, Marcelo / Pham, Cau D / Martins, Liline / Dos Santos, Wallace / Chang, Marilene / Brito-Santos, Fabio / Santos, Dayane C S / Fortes, Silvana / Lockhart, Shawn R / Wanke, Bodo / Melhem, Márcia S C / Lazéra, Márcia S / Meyer, Wieland

PLoS neglected tropical diseases

2016 Volume 10, Issue 8, Page(s) e0004885

Abstract: Cryptococcus neoformans and Cryptococcus gattii are responsible globally for almost one million cryptococcosis cases yearly, mostly in immunocompromised patients, such as those living with HIV. Infections due to C. gattii have mainly been described in ... ...

Abstract	Cryptococcus neoformans and Cryptococcus gattii are responsible globally for almost one million cryptococcosis cases yearly, mostly in immunocompromised patients, such as those living with HIV. Infections due to C. gattii have mainly been described in tropical and subtropical regions, but its adaptation to temperate regions was crucial in the species evolution and highlighted the importance of this pathogenic yeast in the context of disease. Cryptococcus gattii molecular type VGII has come to the forefront in connection with an on-going emergence in the Pacific North West of North America. Taking into account that previous work pointed towards South America as an origin of this species, the present work aimed to assess the genetic diversity within the Brazilian C. gattii VGII population in order to gain new insights into its origin and global dispersal from the South American continent using the ISHAM consensus MLST typing scheme. Our results corroborate the finding that the Brazilian C. gattii VGII population is highly diverse. The diversity is likely due to recombination generated from sexual reproduction, as evidenced by the presence of both mating types in clinical and environmental samples. The data presented herein strongly supports the emergence of highly virulent strains from ancestors in the Northern regions of Brazil, Amazonia and the Northeast. Numerous genotypes represent a link between Brazil and other parts of the world reinforcing South America as the most likely origin of the C. gattii VGII subtypes and their subsequent global spread, including their dispersal into North America, where they caused a major emergence.
MeSH term(s)	Biological Evolution ; Brazil/epidemiology ; Cryptococcosis/epidemiology ; Cryptococcosis/microbiology ; Cryptococcus gattii/classification ; Cryptococcus gattii/genetics ; Cryptococcus gattii/isolation & purification ; Cryptococcus neoformans/classification ; Cryptococcus neoformans/genetics ; Genetic Variation ; Genotype ; Humans ; Multilocus Sequence Typing ; Mycological Typing Techniques ; North America/epidemiology ; Phylogeography ; Rainforest ; Recombination, Genetic ; South America/epidemiology
Language	English
Publishing date	2016-08-16
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2429704-5
ISSN	1935-2735 ; 1935-2727
ISSN (online)	1935-2735
ISSN	1935-2727
DOI	10.1371/journal.pntd.0004885
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Predicting arsenic bioavailability to hyperaccumulator pteris vittata in arsenic-contaminated soils

Gonzaga, Maria Isidória Silva / Ma, Lena Q. / Pacheco, Edson Patto / dos Santos, Wallace Melo

International journal of phytoremediation

Volume v. 14,, Issue no. 1

Abstract	Using chemical extraction to evaluate plant arsenic availability in contaminated soils is important to estimate the time frame for site cleanup during phytoremediation. It is also of great value to assess As mobility in soil and its risk in environmental contamination. In this study, four conventional chemical extraction methods (water, ammonium sulfate, ammonium phosphate, and Mehlich III) and a new root-exudate based method were used to evaluate As extractability and to correlate it with As accumulation in P. vittata growing in five As-contaminated soils under greenhouse condition. The relationship between different soil properties, and As extractability and plant As accumulation was also investigated. Arsenic extractability was 4.6%, 7.0%, 18%, 21%, and 46% for water, ammonium sulfate, organic acids, ammonium phosphate, and Mehlich III, respectively. Root exudate (organic acids) solution was suitable for assessing As bioavailability (81%) in the soils while Mehlich III (31%) overestimated the amount of As taken up by plants. Soil organic matter, P and Mg concentrations were positively correlated to plant As accumulation whereas Ca concentration was negatively correlated. Further investigation is needed on the effect of Ca and Mg on As uptake by P. vittata. Moreover, additional As contaminated soils with different properties should be tested.
Keywords	calcium ; Pteris vittata ; magnesium ; arsenic ; pollution ; prediction ; soil organic matter ; bioavailability ; correlation ; root exudates ; risk ; soil properties ; ammonium sulfate ; greenhouses ; phytoremediation ; polluted soils ; organic acids and salts
Language	English
Document type	Article
ISSN	1549-7879
Database	AGRIS - International Information System for the Agricultural Sciences and Technology

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