Search Results - "Roberto Guimarães Guilherme, Luiz"

Soil weathering analysis using a portable X-ray fluorescence (PXRF) spectrometer in an Inceptisol from the Brazilian Cerrado by Silva, Sérgio Henrique Godinho, Hartemink, Alfred E., Teixeira, Anita Fernanda dos Santos, Inda, Alberto Vasconcellos, Guilherme, Luiz Roberto Guimarães, Curi, Nilton

“…Portable X-ray fluorescence (pXRF) spectrometers allow rapid detection of soil elements and owing to several advantages have been increasingly used in many…”
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Rare earth elements (REY) sorption on soils of contrasting mineralogy and texture by Dinali, Guilherme Soares, Root, Robert A., Amistadi, Mary Kay, Chorover, Jon, Lopes, Guilherme, Guilherme, Luiz Roberto Guimarães

“…Rare earth elements (REY) are the lanthanide elements (Z = 57–71), which have an ever-growing occurrence in present-day industries, agriculture, and modern…”
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Soil texture prediction using portable X-ray fluorescence spectrometry and visible near-infrared diffuse reflectance spectroscopy by Benedet, Lucas, Faria, Wilson Missina, Silva, Sérgio Henrique Godinho, Mancini, Marcelo, Demattê, José Alexandre Melo, Guilherme, Luiz Roberto Guimarães, Curi, Nilton

“…•Prediction of soil texture via pXRF and Vis-NIR DRS data was evaluated.•Combination of A and B horizons data resulted in predictions with R2 above 0.80.•In…”
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Arsenic in Latin America: New findings on source, mobilization and mobility in human environments in 20 countries based on decadal research 2010-2020 by Bundschuh, Jochen, Armienta, Maria Aurora, Morales-Simfors, Nury, Alam, Mohammad Ayaz, López, Dina L., Delgado Quezada, Valeria, Dietrich, Sebastian, Schneider, Jerusa, Tapia, Joseline, Sracek, Ondra, Castillo, Elianna, Marco Parra, Lue-Meru, Altamirano Espinoza, Maximina, Guimarães Guilherme, Luiz Roberto, Sosa, Numa Nahuel, Niazi, Nabeel Khan, Tomaszewska, Barbara, Lizama Allende, Katherine, Bieger, Klaus, Alonso, David L., Brandão, Pedro F. B., Bhattacharya, Prosun, Litter, Marta I., Ahmad, Arslan

“…Today (year 2020), the globally recognized problem of arsenic (As) contamination of water resources and other environments at toxic levels has been reported in…”
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Synergy between cadmium and zinc in bean plants cultivated in multi contaminated soils by Almeida, Lorena Gabriela, da Silva, Dayane Meireles, Jorge, Adelcio de Paula, de Souza, Kamila Rezende Dazio, Guilherme, Luiz Roberto Guimaraes, Alves, Jose Donizeti

“…Agricultural species are subjected to a variety of biotic and abiotic stresses, which are the main limitations to crop production. In this context,…”
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Production of engineered-biochar under different pyrolysis conditions for phosphorus removal from aqueous solution by Nardis, Bárbara Olinda, Franca, José Romão, Carneiro, Jefferson Santana da Silva, Soares, Jenaina Ribeiro, Guilherme, Luiz Roberto Guimarães, Silva, Carlos Alberto, Melo, Leônidas Carrijo Azevedo

“…Phosphorus (P) recovery from wastewater through biochar is an alternative to build a sustainable circular economy and save non-renewable P reservoirs. The…”
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Phytoprotective Effect of Arbuscular Mycorrhizal Fungi Species Against Arsenic Toxicity in Tropical Leguminous Species by Rangel, Wesley de Melo, Schneider, Jerusa, Costa, Enio Tarso de Souza, Soares, Cláudio Roberto Fonsêca Sousa, Guilherme, Luiz Roberto Guimarães, Moreira, Fatima Maria de Souza

“…Arbuscular mycorrhizal fungi (AMF) improve the tolerance of hosting plants to arsenic (As) in contaminated soils. This work assessed the phytoprotective effect…”
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A study on nickel application methods for optimizing soybean growth by Rodak, Bruna Wurr, Freitas, Douglas Siqueira, Rossi, Monica Lanzoni, Linhares, Francisco Scaglia, Moro, Edemar, Campos, Cid Naudi Silva, Reis, André Rodrigues, Guilherme, Luiz Roberto Guimarães, Lavres, José

“…Fertilization with nickel (Ni) can positively affect plant development due to the role of this micronutrient in nitrogen (N) metabolism, namely, through urease…”
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Investigating arsenic toxicity in tropical soils: A cell cycle and DNA fragmentation approach by Alvarenga, Ingrid Fernanda Santana, dos Santos, Fabio Eduardo, Silveira, Graciele Lurdes, Andrade-Vieira, Larissa Fonseca, Martins, Gabriel Caixeta, Guilherme, Luiz Roberto Guimarães

“…Arsenic (As) is a metalloid and a toxicant that is found naturally in many environmental compartments, soils included. Soils with high levels of As occur…”
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Arsenic, cadmium, and chromium concentrations in contrasting phosphate fertilizers and their bioaccumulation by crops: Towards a green label? by Carvalho, Mariana Rocha de, Almeida, Thiago Adorno de, Van Opbergen, Gustavo Avelar Zorgdrager, Bispo, Fábio Henrique Alves, Botelho, Lívia, Lima, Alexandre Boari de, Marchiori, Paulo Eduardo Ribeiro, Guilherme, Luiz Roberto Guimarães

“…Potentially toxic elements such as arsenic (As), cadmium (Cd), and chromium (Cr) are severely regulated in fertilizers and deserve continuous investigation…”
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Environmental and human-health risks of As in soils with abnormal arsenic levels located in irrigated agricultural areas of Paracatu (MG), Brazil by Feitosa, Marina Monteiro, Alvarenga, Ingrid Fernanda Santana, Jara, Madeliny Saracho, Lima, Geraldo Jânio Eugênio de Oliveira, Vilela, Fernando José, Resende, Thiago, Guilherme, Luiz Roberto Guimarães

“…The municipality of Paracatu (Brazil) is notorious for its large irrigated agricultural area and by abnormal arsenic (As) levels in selected soils of the…”
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Artificial Neural Networks To Distinguish Charcoal from Eucalyptus and Native Forests Based on Their Mineral Components by Ramalho, Fernanda Maria Guedes, Carvalho, Geila Santos, Hein, Paulo Ricardo Gherardi, Napoli, Alfredo, Wojcieszak, Robert, Guilherme, Luiz Roberto Guimarães

“…Charcoal is produced through the pyrolysis of wood. It is used as the main domestic energy source in many tropical countries from Africa and Asia, and it is…”
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Sulfur and nitrogen interaction affects onion yield and post-harvest quality by Cipriano, Patriciani Estela, José Armani Borghi, Edinei, Santana Chales, Amanda, Barra Netto-Ferreira, Julia, Trevizam, Anderson Ricardo, Silva, Maria Ligia de Souza, Guilherme, Luiz Roberto Guimarães

“…Ionic interactions affect the mineral composition of plants, which can cause nutritional disorders with reflections on yield, post-harvest quality, and food…”
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Prediction of soil nutrient content via pXRF spectrometry and its spatial variation in a highly variable tropical area by Pelegrino, Marcelo Henrique Procópio, Silva, Sérgio Henrique Godinho, de Faria, Álvaro José Gomes, Mancini, Marcelo, Teixeira, Anita Fernanda dos Santos, Chakraborty, Somsubhra, Weindorf, David C., Guilherme, Luiz Roberto Guimarães, Curi, Nilton

“…Precision agriculture provides detailed information on the spatial variability of soil properties, including nutrient content, allowing for local-specific…”
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Phytoremediation of Arsenic-Contaminated Soils Amended with Red Mud Combined with Phosphogypsum by de Souza Costa, Enio Tarso, Lopes, Guilherme, Carvalho, Geila Santos, Penha, Henrique Gualberto Vilela, Curi, Nilton, Guilherme, Luiz Roberto Guimarães

“…Several industrial by-products may be used as amendments to reduce arsenic availability in contaminated areas, hence contributing to phytoremediation…”
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Selenium biofortification of soybean genotypes in a tropical soil via Se-enriched phosphate fertilizers by Silva, Maila Adriely, de Sousa, Gustavo Ferreira, Corguinha, Ana Paula Branco, de Lima Lessa, Josimar Henrique, Dinali, Guilherme Soares, Oliveira, Cynthia, Lopes, Guilherme, Amaral, Douglas, Brown, Patrick, Guilherme, Luiz Roberto Guimarães

“…Soybean is a major crop in Brazil and is usually grown in oxidic soils that need high rates of phosphate (P) fertilizers. Soybean is also very suitable for…”
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Chemical, physical, and biological attributes in soils affected by deposition of iron ore tailings from the Fundão Dam failure by Silva, Aline Oliveira, Guimarães, Amanda Azarias, Lopez, Bruna Daniela Ortiz, Zanchi, Carin Sgobi, Vega, Cesar Florentino Puma, Batista, Éder Rodrigues, de Souza Moreira, Fatima Maria, da Costa Souza, Flávia Romam, Pinto, Flávio Araújo, dos Santos, Jessé Valentim, Carneiro, Joana Junqueira, Siqueira, José Oswaldo, Kemmelmeier, Karl, Guilherme, Luiz Roberto Guimarães, Rufini, Márcia, de Souza Dias Junior, Moacir, da Silva Aragão, Osnar Obede, de Castro Borges, Pedro Henrique, de Oliveira-Longatti, Silvia Maria, Carneiro, Marco Aurélio Carbone

“…Monitoring degraded areas is essential for evaluation of the quality of the rehabilitation process. In this study, we evaluate how the physical and chemical…”
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Bioavailability of copper and nickel in naturally metal-enriched soils of Carajás Mining Province, Eastern Amazon, Brazil by Martins, Gabriel Caixeta, da Silva Junior, Ediu Carlos, Ramos, Sílvio Junio, Maurity, Clóvis Wagner, Sahoo, Prafulla Kumar, Dall’Agnol, Roberto, Guilherme, Luiz Roberto Guimarães

“…Naturally elevated contents of copper (Cu) and nickel (Ni) are found in soils worldwide, and their potential toxicity is better understood when geochemical…”
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Multiple linear regression and random forest to predict and map soil properties using data from portable X-ray fluorescence spectrometer (pXRF) by Silva, Sérgio Henrique Godinho, Teixeira, Anita Fernanda dos Santos, Menezes, Michele Duarte de, Guilherme, Luiz Roberto Guimarães, Moreira, Fatima Maria de Souza, Curi, Nilton

“…ABSTRACT Determination of soil properties helps in the correct management of soil fertility. The portable X-ray fluorescence spectrometer (pXRF) has been…”
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Selenium enhances chilling stress tolerance in coffee species by modulating nutrient, carbohydrates, and amino acids content by de Sousa, Gustavo F., Silva, Maila Adriely, de Morais, Everton G., Van Opbergen, Gustavo Avelar Z., Van Opbergen, Guilherme Gerrit A. Z., de Oliveira, Raphael R., Amaral, Douglas, Brown, Patrick, Chalfun-Junior, Antonio, Guilherme, Luiz Roberto Guimarães

“…The effects of selenium (Se) on plant metabolism have been reported in several studies triggering plant tolerance to abiotic stresses, yet, the effects of Se…”
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