Biosolubilization of verdete: An alternative potassium source for agriculture fertilizer

Schueler, Tamara A.; Dourado, Marcelo L.; Videira, Sandy Sampaio; Cunha, Cláudia Duarte da; Rizzo, Andrea C.L.

doi:10.1016/j.bcab.2021.102031

Cited by 10 publications

(5 citation statements)

References 37 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Além disso, em um estudo realizado por Schueler et al (2021) foram avaliadas as estirpes bacterianas Burkholderia sp., Bacillus sp., C. Glathei, P. caribensis isoladamente além de um consórcio contendo todas, nos ensaios de biossolubilização utilizando meio Aleksandrov, e a rocha verdete, por 15 dias. Os resultados do percentual de extração de potássio foram de 0,68%, 0,61%, 0,48%, 0,50% e 0,58%, respectivamente.…”

Section: Pó De Rochaunclassified

“…A liberação ocorre naturalmente por meio da decomposição desses minerais, sendo um processo que demanda um tempo considerável para atender às necessidades agrícolas. Consequentemente, a baixa solubilidade limita a capacidade de fornecimento direto de nutrientes às plantas, tornando a aplicação de fertilizantes no solo uma prática necessária (ALVES et al, 2010;SCHUELER et al, 2021).…”

Section: Introductionunclassified

See 1 more Smart Citation

Biossolubilização De Rochas E Resíduos De Rochas Como Fontes Alternativas De Fertilizantes Para a Agricultura

Ruiz Frazão do Nascimento,

Leonel da Rocha,

Sampaio Videira

et al. 2023

REP

View full text Add to dashboard Cite

O potássio (K) é um nutriente essencial para todos os organismos vivos, sendo um macronutriente fundamental para o desenvolvimento das plantas. As rochas que possuem elevados teores de potássio podem ser aproveitadas como fontes alternativas de fertilizantes para aplicação direta no solo, com o objetivo de atender a alta demanda agrícola brasileira, reduzindo assim, a dependência da importação de fertilizantes. Além disso, é sabido que muitos microrganismos presentes no solo têm a capacidade de solubilizar o potássio contido nos minerais. Nesse contexto, o presente estudo buscou avaliar o potencial de bactérias isoladas de um solo tropical, na solubilização do potássio presente em rochas e resíduos de rocha. Foram isoladas 72 estirpes bacterianas, das quais 5 apresentaram potencial para biossolubilização de potássio, a partir do teste de halo. Os ensaios de biossolubilização de potássio in vitro utilizando as estirpes selecionadas foram realizados em meio Aleksandrov, com a adição do pó de rocha como única fonte de potássio no meio. Os resultados mostraram que todas as estirpes bacterianas selecionadas foram capazes de solubilizar o potássio presente nos pós de rocha. Dentre as estirpes testadas, a IA13 se destacou por ter apresentado o maior percentual de extração de potássio em relação ao controle abiótico (259,82% para a Amostra 8, 300% para a Amazonita e 216,13% para o Kamafugito). Dessa forma, as estirpes bacterianas avaliadas neste estudo demonstraram potencial para serem testadas em processos biohidrometalúrgicos. Esses resultados são considerados promissores, frente aos desafios e a complexidade da remoção de potássio por rota biológica.

show abstract

Section: Pó De Rochaunclassified

Section: Introductionunclassified

Biossolubilização De Rochas E Resíduos De Rochas Como Fontes Alternativas De Fertilizantes Para a Agricultura

Ruiz Frazão do Nascimento,

Leonel da Rocha,

Sampaio Videira

et al. 2023

REP

View full text Add to dashboard Cite

show abstract

“…The use of nitrogenated molecules has been described to evaluate compost and soil quality. The observation of minerals such as calcium also makes it possible to obtain information about organic fertilizer quality [15]. Figure 1A shows a progress curve for slurry catalyzed with a 1% TCAS-CATA solution, observing changes in the nitrite and nitrate concentration as a function of the time curve.…”

Section: Time Measurement Of Nitrite and Nitrate Concentrationmentioning

confidence: 99%

Management of industrial slurries with a chemical catalyst: generation of organic sustainable solution

Plaza¹,

Scott²,

Vega

et al. 2022

GRN TECH RES SUSTAIN

View full text Add to dashboard Cite

Slurries are a problem for the food-producing industry. They are comprised of solid and liquid wastes which must be precipitated and packed in polymers, and then disposed of in special landfills. A package of chemical substances (TCAS-CATA) has been developed to control the smell of this type of material. However, questions arose as to whether it would have any effect on nutrient bioavailability after eliminating the odors. To this end, slurries from animal processing plants were treated with TCAS-CATA in different conditions, and the parameters of this resulting solution were measured. Our results indicate that the catalyst can increase 100% nitrogenated compound concentration (400 mg/L of nitrites and 250 mg/L of Nitrate). This nutrient liberation depends on the slurry source, i.e., slurries with shells generate fewer nitrogenated compounds, but deliver more calcium to the solution. The solution also generates germination in some seed types and can stimulate development in some types of plants. Finally, the catalyst reduces odor 100% without reducing the capacity of the slurry to deliver nutrients. Our data suggest that TCAS-CATA may be catalyzing the bioavailability of the compound from the slurry without requiring microbiological processes, which will reduce odor and permit the use of this slurry as a biological remediation, similar to what is achieved in composting systems, but without the associated thermophilic processes. Future studies will allow for more knowledge of the mechanism and handling industrial material for agricultural processes.

show abstract

“…Potas sium (K) is one of the nutrients most used as fertilizers in Brazilian agriculture due to the low natural fertility of soils and the high rates of absorption of this nutrient by crops (SCHUELER et al, 2021;SIPERT;COHIM;NASCIMENTO, 2020). Brazil is the world's second-largest consumer of potassium fertilizers, with a historical external dependence that reached around 10.5 Mt in 2019, representing 96.5% of internal KCl consumption that year (BRASIL, 2021).…”

Section: Introductionmentioning

confidence: 99%

Glauconite as a potential source of potassium in Brazilian agriculture - a review

Costa Júnior,

Santos,

Pereira

et al. 2024

RCA

View full text Add to dashboard Cite

The high Brazilian dependence on potash fertilizers has encouraged the agricultural and forestry use of silicate rock powders. Dozens of rock powders, including glauconitic rocks produced in several states in Brazil are currently registered with the Ministry of Agriculture and Livestock (MAPA) as Soil Remineralizers, being generally known as alternative sources of K. The indication of these materials as potassium fertilizers is based on the high Brazilian dependence on K from abroad, which reached around 96% in the 2021 and 2022 harvests. Glauconitic rocks, such as verdetes, slates, and glauconitic siltstones occur in extensive areas in the State of Minas Gerais (Abaeté, Quartel Geral, Cedro do Abaeté, Sete Lagoas, Matutina, and São Gotardo), predominating in the Serra da Saudade formation as the sedimentary cover of the São Francisco Craton. In these rocks, K-K 2 O contents generally vary in the range of 5-12% m/m. It is soluble in water (0.1-1.4%) and 2% citric acid (0.7-2.3%). In these rocks, the degree of glauconite crystallinity is variable due to different formation conditions and degree of alteration by weathering, especially in rocky outcrops. The use of natural glauconitic rocks as potassium fertilizers has shown low agronomic efficiency due to their low solubility and reactivity.Physical and thermal treatments in the presence of fl uxing, chemical (acid or alkaline attacks), and biological (Acidithiobacillus sp.) agents have shown potential for dissolving glauconites. However, studies showing the financial viability of these materials are necessary for both such treatments and their direct use as fertilizers.

show abstract

Biosolubilization of verdete: An alternative potassium source for agriculture fertilizer

Cited by 10 publications

References 37 publications

Biossolubilização De Rochas E Resíduos De Rochas Como Fontes Alternativas De Fertilizantes Para a Agricultura

Biossolubilização De Rochas E Resíduos De Rochas Como Fontes Alternativas De Fertilizantes Para a Agricultura

Management of industrial slurries with a chemical catalyst: generation of organic sustainable solution

Glauconite as a potential source of potassium in Brazilian agriculture - a review

Contact Info

Product

Resources

About