Search Results - "Ortiz Escobar, Maria Eugenia"

Near-infrared spectroscopy for the prediction of rare earth elements in soils from the largest uranium-phosphate deposit in Brazil using PLS, iPLS, and iSPA-PLS models by Maia, Angelo Jamil, da Silva, Yuri Jacques Agra Bezerra, do Nascimento, Clístenes Williams Araújo, Veras, Germano, Escobar, Maria Eugenia Ortiz, Cunha, Cleyton Saialy Medeiros, da Silva, Ygor Jacques Agra Bezerra, Nascimento, Rennan Cabral, de Souza Pereira, Lavínia Hannah

“…The largest uranium-phosphate deposit in Brazil also contains considerable levels of rare earth elements (REEs), which allows for the co-mining of these three…”
Get full text

Beneficial effects of silicon in plants under abiotic stress conditions: A new approach by Moraes, Sâmia Paiva de Oliveira, Rodrigues, João Fabrício Mota, Escobar, Maria Eugenia Ortiz, Araújo, Francisca Soares, Oliveira, Teogenes Senna de

“…ABSTRACT Considering the importance of Silicon (Si) for plants, many studies have focused to evaluate the ability of the element to alleviate abiotic stress in…”
Get full text

Soil carbon and nitrogen stocks in traditional agricultural and agroforestry systems in the semiarid region of Brazil by Sacramento, José Augusto Amorim Silva do, Araújo, Ana Caroline de Moraes, Escobar, Maria Eugenia Ortiz, Xavier, Francisco Alisson da Silva, Cavalcante, Ana Clara Rodrigues, Oliveira, Teógenes Senna de

“…In the semiarid region of Brazil, inadequate management of cropping systems and low plant biomass production can contribute to reduce soil carbon (C) and…”
Get full text

NUTRIENT CONTENT IN SUNFLOWERS IRRIGATED WITH OIL EXPLORATION WATER by SOUSA, ADERVAN FERNANDES, CRISOSTOMO, LINDBERGUE ARAÚJO, WEBER, OLMAR BALLER, ESCOBAR, MARIA EUGENIA ORTIZ, OLIVEIRA, TEÓGENES SENNA DE

“…Irrigation using produced water, which is generated during crude oil and gas recovery and treated by the exploration industry, could be an option for irrigated…”
Get full text

Organic farming improves soil carbon pools and aggregation of sandy soils in the Brazilian semi‐arid region by Alencar, Guilherme Viana, Gomes, Lucas Carvalho, Barros, Vanessa Maria de Souza, Ortiz Escobar, Maria Eugenia, Oliveira, Teógenes Senna, Mendonça, Eduardo de Sá

“…Organic agriculture can be a feasible alternative to improve soil organic carbon contents, but its effects on different carbon pools and the benefits for soil…”
Get full text

Heavy Metals Behavior in the Presence of Organic Acids and Proteins in the Rhizosphere and Plant Tissues of Yellow Melon var. Natal (Cucumis melo L.) Cultivated in a Quartzarenic Neosol by Irias Zelaya, Carlos Roberto, Gadelha, Janine Colares, Hernandez, Fernando Felipe Ferreyra, Ortiz Escobar, Maria Eugenia

“…We propose to identify the influence of organic acids as well as total proteins in the accumulation and translocation of heavy metals from the rhizosphere to…”
Get full text

Organic Carbon and Nitrogen Stocks in Soils of Northeastern Brazil Converted to Irrigated Agriculture by Oliveira, Sâmia Paiva, Lacerda, Nilda Braga, Blum, Susana Churka, Escobar, Maria Eugenia Ortiz, Oliveira, Teógenes Senna

“…The productivity of agricultural areas in semi‐arid regions can be improved through the use of irrigation. However, the intensive cropping of such soils can…”
Get full text

Silicon absorption by plants in response to the environment by Moraes, Sâmia Paiva de Oliveira, Menezes, Bruno Sousa de, Araújo, Francisca Soares, Escobar, Maria Eugenia Ortiz, Oliveira, Teogenes Senna de

“…ABSTRACT Despite the importance given to Silicon in the relief of stress in cultivated plants, there are no experimental studies on abiotic stresses that…”
Get full text

Heavy metal fractionation in Fluvic Entisols under saline conditions in Northeastern Brazil by Escobar, Maria Eugenia Ortiz, Silva, Esdras Rocha da, Oliveira, Teogenes Senna de, Hernandez, Fernando Felipe Ferreyra

“…ABSTRACT The long-term use of agrichemicals might add some heavy metals to soils and, there is little information about the dynamics of these elements in soils…”
Get full text

Spatial variability and geochemistry of rare earth elements in soils from the largest uranium–phosphate deposit of Brazil by Cunha, Cleyton Saialy Medeiros, da Silva, Ygor Jacques Agra Bezerra, Escobar, Maria Eugenia Ortiz, do Nascimento, Clístenes Williams Araújo

“…The Itataia uranium–phosphate deposit is the largest uranium reserve in Brazil. Rare earth elements (REEs) are commonly associated with phosphate deposits;…”
Get full text

Changes in soil soluble salts and plant growth in a sandy soil irrigated with treated water from oil extraction by Sousa, Adervan Fernandes, Weber, Olmar Baller, Crisostomo, Lindbergue Araújo, Escobar, Maria Eugenia Ortiz, de Oliveira, Teógenes Senna

“…•Wastewater to petroleum extraction causes changes in soil-plant system.•Irrigation with wastewater affects the soil chemical quality and plant growth.•The…”
Get full text

Assessment of Heavy Metal Sources in Soils from a Uranium-Phosphate Deposit Using Multivariate and Geostatistical Techniques by Cunha, Cleyton Saialy Medeiros, Hernandez, Raul Dario Zapata, Hernandez, Fernando Felipe Ferreyra, Castro, Jose Igor Almeida, Escobar, Maria Eugenia Ortiz

“…The quantification of heavy metal contents in soils and their sources are essential for contamination monitoring and the assessment of the potential risks to…”
Get full text

Heavy metals in soils derived from sedimentary rocks of the Gurgueia River watershed, Northeast, Brazil: background values, distribution and ecological risk assessment by Alves, Paula Nascimento, Cardoso, Kaique Mesquita, Nascimento, Clistenes Williams Araújo do, Barros, Juliana da Silva, Sena, Antonny Francisco Sampaio de, Morais, Pâmalla Graziely Carvalho, Saraiva, Paloma Cunha, Escobar, Maria Eugênia Ortiz, Cunha, Karina Patrícia Vieira da, Boechat, Cácio Luiz

“…The concentrations of heavy metals (HMs) can be increased by various anthropogenic activities such as mining, fuel combustion, pesticide use, and urban…”
Get full text

Organic matter pools in a fluvisol after 29 years under different land uses in an irrigation region in northeast Brazil by Lacerda, Nilda Braga de, Lustosa Filho, José Ferreira, Blum, Susana Churka, Escobar, Maria Eugenia Ortiz, Oliveira, Teógenes Senna de

“…Soil organic matter (SOM) is a critical component of the soil system and a sensitive indicator of soil quality. We aimed to investigate the response of SOM…”
Get full text

Watershed-scale assessment of environmental background values of soil potential toxic elements from the Caatinga and Atlantic forest ecotone in Brazil by Cardoso, Kaíque Mesquita, Boechat, Cácio Luiz, Nascimento, Clístenes Williams Araújo do, Escobar, Maria Eugenia Ortiz, Silva, Douglas Gonçalves da, Lins, Simone Aparecida da Silva, Oliveira, Raiane Lima, Morais, Pâmalla Graziely Carvalho

“…The evaluation of the concentration of a potentially toxic element (PTE) in soils under native vegetation is the base study to obtain the quality reference…”
Get full text

Contamination risk by heavy metals and enzymatic stoichiometry in agricultural soils under intense use of pesticides by da Silva Martins, Thais, Garcia, Kaio Gráculo Vieira, da Silva, Yuri Jacques Agra Bezerra, da Silva, Mateus Guimarães, Serpa, Sheilla Silva e, Bezerra, Rodrigo Alves, Filho, Crisanto Dias Teixeira, Cavalcante, Rivelino Martins, Boechat, Cácio Luiz, de Araujo Pereira, Arthur Prudêncio, Escobar, Maria Eugenia Ortiz

“…Soil contamination by heavy metals (HM) from pesticides poses a serious environmental threat, affecting sustainability and agricultural productivity. Soil…”
Get full text

Silicon absorption by plants in response to the environment 1 by Moraes, Sâmia Paiva de Oliveira, de Menezes, Bruno Sousa, Araújo, Francisca Soares, Escobar, Maria Eugenia Ortiz, de Oliveira, Teogenes Senna

“…[...]the position of relief slope in relation to winds direction (windward and leeward) influences environmental humidity and consequently the composition of…”
Get full text

Fe, Zn, and Cu in the Organic Fraction of Soils with Different Textures Under Intense Use of Agrochemicals in Flower Cultivation by Barbosa, Francisco Luan Almeida, da Silva, Mateus Guimarães, Cavalcante, Rivelino Martins, de Freitas Sousa, Helon Hébano, dos Santos Dias, Carlos Tadeu, Escobar, Maria Eugenia Ortiz

“…In flower production, the use of agrochemicals is common, contributing to the addition of heavy metals to the soil, and organic matter (OM) plays an important…”
Get full text

Reduction of Cd2+ and Pb2+ Bioavailability in Contaminated Soil Treated with Sisal Residues (Agave sisalana) by da Silva, Mateus Guimarães, Garcia, Kaio Gráculo Vieira, Mattos, Adriano Lincoln Albuquerque, Perez, Edier Humberto, da Silva Martins, Thais, de Aquino Sousa, Luis Felipe Rodrigues, da Costa Pinto, Antônio Marcos, Escobar, Maria Eugenia Ortiz

“…Biosorption is a technique that uses materials of biological origin to accumulate contaminants and represents an alternative for the treatment of soils…”
Get full text

Conversion of forest into irrigated pasture II. Changes in the physical properties of the soil by Oliveira, Sâmia P., Cândido, Magno José D., Weber, Olmar B., Xavier, Francisco Alisson S., Ortiz Escobar, Maria Eugenia, Oliveira, Teógenes S.

“…The replacement of natural vegetation (NV) by agricultural species may cause important changes in the ecosystem. Land use and management result in…”
Get full text