Search Results - "Guilherme, Luiz R.G."

Combined impacts of Si-rich rice residues and flooding extent on grain As and Cd in rice by Seyfferth, Angelia L., Amaral, Douglas, Limmer, Matt A., Guilherme, Luiz R.G.

“…Increasing plant-availability of Si through soil amendment of Si-rich rice residues can decrease inorganic As without affecting Cd levels in grain under…”
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Transitions to sustainable management of phosphorus in Brazilian agriculture by Withers, Paul J. A., Rodrigues, Marcos, Soltangheisi, Amin, de Carvalho, Teotonio S., Guilherme, Luiz R. G., Benites, Vinicius de M., Gatiboni, Luciano C., de Sousa, Djalma M. G., Nunes, Rafael de S., Rosolem, Ciro A., Andreote, Fernando D., Oliveira, Adilson de, Coutinho, Edson L. M., Pavinato, Paulo S.

“…Brazil’s large land base is important for global food security but its high dependency on inorganic phosphorus (P) fertilizer for crop production (2.2 Tg…”
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One century of arsenic exposure in Latin America: A review of history and occurrence from 14 countries by Bundschuh, Jochen, Litter, Marta I., Parvez, Faruque, Román-Ross, Gabriela, Nicolli, Hugo B., Jean, Jiin-Shuh, Liu, Chen-Wuing, López, Dina, Armienta, María A., Guilherme, Luiz R.G., Cuevas, Alina Gomez, Cornejo, Lorena, Cumbal, Luis, Toujaguez, Regla

“…The global impact on public health of elevated arsenic (As) in water supplies is highlighted by an increasing number of countries worldwide reporting high As…”
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Medical geology in the framework of the sustainable development goals by Bundschuh, Jochen, Maity, Jyoti Prakash, Mushtaq, Shahbaz, Vithanage, Meththika, Seneweera, Saman, Schneider, Jerusa, Bhattacharya, Prosun, Khan, Nasreen Islam, Hamawand, Ihsan, Guilherme, Luiz R.G., Reardon-Smith, Kathryn, Parvez, Faruque, Morales-Simfors, Nury, Ghaze, Sara, Pudmenzky, Christa, Kouadio, Louis, Chen, Chien-Yen

“…Exposure to geogenic contaminants (GCs) such as metal(loid)s, radioactive metals and isotopes as well as transuraniums occurring naturally in geogenic sources…”
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Selenium promotes sulfur accumulation and plant growth in wheat (Triticum aestivum) by Boldrin, Paulo F., de Figueiredo, Marislaine A., Yang, Yong, Luo, Hongmei, Giri, Shree, Hart, Jonathan J., Faquin, Valdemar, Guilherme, Luiz R.G., Thannhauser, Theorodore W., Li, Li

“…Selenium (Se) is an essential micronutrient for animals and humans and a target for biofortification in crops. Sulfur (S) is a crucial nutrient for plant…”
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Effects of arsenate, chromate, and sulfate on arsenic and chromium uptake and translocation by arsenic hyperaccumulator Pteris vittata L by de Oliveira, Letúzia Maria, Ma, Lena Q., Santos, Jorge A.G., Guilherme, Luiz R.G., Lessl, Jason T.

“…We investigated effects of arsenate (AsV), chromate (CrVI) and sulfate on As and Cr uptake and translocation by arsenic hyperaccumulator Pteris vittata (PV),…”
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Bioaccumulation and effects of lanthanum on growth and mitotic index in soybean plants by de Oliveira, Cynthia, Ramos, Sílvio J., Siqueira, José O., Faquin, Valdemar, de Castro, Evaristo M., Amaral, Douglas C., Techio, Vânia H., Coelho, Lívia C., e Silva, Pedro H.P., Schnug, Ewald, Guilherme, Luiz R.G.

“…Rare earth elements such as lanthanum (La) have been used as agricultural inputs in some countries in order to enhance yield and improve crop quality. However,…”
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Removal of As(V) and Cr(VI) from aqueous solutions using solid waste from leather industry by Oliveira, Diana Q.L., Gonçalves, Maraísa, Oliveira, Luiz C.A., Guilherme, Luiz R.G.

“…This study evaluated the feasibility of using a solid waste from the leather industry as an adsorbent for removal of Cr(VI) and As(V) from aqueous media. The…”
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Solid waste from leather industry as adsorbent of organic dyes in aqueous-medium by Oliveira, Luiz C.A., Gonçalves, Maraísa, Oliveira, Diana Q.L., Guerreiro, Mário C., Guilherme, Luiz R.G., Dallago, Rogério M.

“…The industrial tanning of leather usually produces considerable amounts of chromium-containing solid waste and liquid effluents and raises many concerns on its…”
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Availability and Accumulation of Arsenic in Oilseeds Grown in Contaminated Soils by Melo, Évio E. C., Guilherme, Luiz R. G., Nascimento, Clistenes W. A., Penha, H. G. V.

“…Arsenic occurs in the earth's crust in various chemical forms as a result of both natural and anthropogenic sources. Soil chemical extractions may help…”
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A New Approach to Sampling Intact Fe Plaque Reveals Si-Induced Changes in Fe Mineral Composition and Shoot As in Rice by Amaral, Douglas C, Lopes, Guilherme, Guilherme, Luiz R. G, Seyfferth, Angelia L

“…The Fe (oxyhydr)­oxide rind, or Fe plaque, that forms on aquatic plant roots is an important sorbent of metal­(loid)­s and plays a role in the attenuation of…”
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Elemental analysis of Cerrado agricultural soils via portable X-ray fluorescence spectrometry: Inferences for soil fertility assessment by Lima, Tatiane Melo de, Weindorf, David C., Curi, Nilton, Guilherme, Luiz R.G., Lana, Regina M.Q., Ribeiro, Bruno T.

“…Conventional soil chemical analyses are time-consuming and laboratory-based. Spectroscopic techniques have been introduced to make soil measurements more rapid…”
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Rare Earth Elements in the Soil Environment by Ramos, Silvio J., Dinali, Guilherme S., Oliveira, Cynthia, Martins, Gabriel C., Moreira, Cristiano G., Siqueira, José O., Guilherme, Luiz R. G.

“…Rare earth elements (REE) are a homogenous group of 17 chemical elements in the periodic table that are key to many modern industries including chemicals,…”
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Arsenic pools in soils under native vegetation on a steatite outcrop in Brazil by Silva, Laís L., Feitosa, Marina M., Vilela, Emerson F., Lopes, Guilherme, Guilherme, Luiz R.G., Zinn, Yuri L.

“…Pristine soils under native vegetation can present high levels of potentially toxic elements when developed from the weathering of some unusual parent…”
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Rare earth elements in raw materials and products of the phosphate fertilizer industry in South America: Content, signature, and crystalline phases by Ramos, Silvio J., Dinali, Guilherme S., de Carvalho, Teotonio S., Chaves, Luzia C., Siqueira, José O., Guilherme, Luiz R.G.

“…Phosphate ores are well-known for containing rare earth elements (REE) in a wide range of contents. The presence of REE in phosphate (P) products may enhance…”
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Biochemical basis of differential selenium tolerance in arugula (Eruca sativa Mill.) and lettuce (Lactuca sativa L.) by Santiago, Franklin E.M., Silva, Maria L.S., Cardoso, Arnon A.S., Duan, Yongbo, Guilherme, Luiz R.G., Liu, Jiping, Li, Li

“…Selenium (Se) biofortification in crops provides a valuable strategy to enhance human Se intake. However, crops vary greatly with their capacity in tolerating…”
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Foliar Elemental Analysis of Brazilian Crops via Portable X-ray Fluorescence Spectrometry by Borges, Camila S, Weindorf, David C, Carvalho, Geila S, Guilherme, Luiz R G, Takayama, Thalita, Curi, Nilton, Lima, Geraldo J E O, Ribeiro, Bruno T

“…Foliar analysis is very important for the nutritional management of crops and as a supplemental parameter for soil fertilizer recommendation. The elemental…”
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Geochemistry signatures of mercury in soils of the Amazon rainforest biome by Lima, Francielle R.D., Pereira, Polyana, Silva Junior, Ediu C., Vasques, Isabela C.F., Oliveira, Jakeline R., Windmöller, Cláudia C., Inda, Alberto V., Weindorf, David C., Curi, Nilton, Ribeiro, Bruno T., Guilherme, Luiz R.G., Marques, João José

“…Mercury (Hg) toxicity in soils depends on Hg species and other physical and chemical attributes, as selenium (Se) hotspots in soils, particularly relevant in…”
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On the Role of Iodine in Plants: A Commentary on Benefits of This Element by Nascimento, Vitor L, Souza, Beatriz C O Q, Lopes, Guilherme, Guilherme, Luiz R G

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Zinc and selenium accumulation and their effect on iron bioavailability in common bean seeds by de Figueiredo, Marislaine A., Boldrin, Paulo F., Hart, Jonathan J., de Andrade, Messias J.B., Guilherme, Luiz R.G., Glahn, Raymond P., Li, Li

“…Common beans (Phaseolus vulgaris) are the most important legume crops. They represent a major source of micronutrients and a target for essential trace mineral…”
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