Search Results - "Silva, Laercio Santos"

Fractal features of soil texture and physical attributes in indian dark earth under different uses in Western Amazon by Jordão, Half Weinberg Corrêa, Campos, Milton César Costa, Cunha, José Maurício da, Oliveira, Ivanildo Amorim de, Silva, Laércio Santos, Brito Filho, Elilson Gomes de, Mantovanelli, Bruno Campos, Freitas, Ludmila de, Gomes, Romário Pimenta

“…Studying particle size distribution is important to understand soil structure and formation processes. This research aimed to assess the fractal dimension of…”
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Spatial variability of aggregates and organic carbon under three different uses of indian black earth in southern Amazonas by Gomes, Romário Pimenta, Campos, Milton César Costa, Soares, Marcelo Dayron Rodrigues, Silva, Douglas Marcelo Pinheiro, Cunha, José Maurício, Franciscon, Uilson, Silva, Laércio Santos, Oliveira, Ivanildo Amorim, Brito, Wildson Benedito Mendes

“…Indian Black Earths (IBEs) are distributed throughout the Amazon. They are characterized by their high chemical fertility and agricultural potential. IBEs have…”
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Variability and spatial correlation of aggregates and organic carbon in indian dark earth in Apuí region, AM by Gomes, Romario Pimenta, Campos, Milton Cesar Costa, Brito, Wildson Benedito Mendes, Cunha, Jose Mauricio, Muniz, Aleksander Westphal, Silva, Laercio Santos, Souza, Edicarlos Damacena, Oliveira, Ivanildo Amorim, Freitas, Ludmila

“…Having in mind the importance of knowing the variability and spatial correlation of soil properties in Indian Dark Earth (IDE), we evaluated in this study the…”
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Spatial variability of iron oxides in soils from Brazilian sandstone and basalt by Silva, Laércio Santos, Marques Júnior, José, Barrón, Vidal, Gomes, Romário Pimenta, Teixeira, Daniel De Bortoli, Siqueira, Diego Silva, Vasconcelos, Vinícius

“…•Spatial variability is governed by the lithological and landscape contrast.•The iron oxides, hematite and goethite, are the main pedoenvironments…”
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Prediction and mapping of erodibility factors (USLE and WEPP) by magnetic susceptibility in basalt-derived soils in northeastern São Paulo state, Brazil by Barbosa, Ronny Sobreira, Marques Júnior, José, Barrón, Vidal, Martins Filho, Marcílio Vieira, Siqueira, Diego Silva, Peluco, Rafael Gonçalves, Camargo, Lívia Arantes, Silva, Laércio Santos

“…Spatial assessment of soil erosion is essential for the adaptation of agricultural practices and monitoring of soil losses. In this sense, this study aims to…”
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Soil–landscape relationship in a sandstone-gneiss topolithosequence in the State of Amazonas, Brazil by Fonseca, Julimar da Silva, Campos, Milton César Costa, Brito Filho, Elilson Gomes de, Mantovanelli, Bruno Campos, Silva, Laércio Santos, de Lima, Alan Ferreira Leite, Da Cunha, José Maurício, Simões, Emily Lira, dos Santos, Luís Antônio Coutrim

“…The soil position in the landscape reveals its formation history. Landscapes combine surface features and subsurface components (parent material) of the earth,…”
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Concentration of Heavy Metals in Soils under Cemetery Occupation in Amazonas, Brazil by Silva, Rafael Bel Prestes da, Campos, Milton César Costa, Silva, Laercio Santos, Filho, Elilson Gomes de Brito, Lima, Alan Ferreira Leite de, Pinheiro, Elyenayra Nogueira, Cunha, Jose Maurício

“…The study aimed to quantify Cd, Cr, Cu, Ni, Pb, Zn, Al, Fe, and Mn concentrations in soils due to cemetery occupation in the Brazilian Amazon in order to…”
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Spatial patterns of magnetic susceptibility optimized by anisotropic correction in different Alisols in southern Amazonas, Brazil by Brito, Wildson Benedito Mendes, Campos, Milton César Costa, de Souza, Fernando Gomes, Silva, Laércio Santos, da Cunha, José Maurício, de Lima, Alan Ferreira Leite, Martins, Thalita Silva, de Oliveira, Flávio Pereira, de Oliveira, Ivanildo Amorim

“…Changes in primary cover for agricultural crops in Amazonas region influence the phenomenon of spatial variability in soil properties. This phenomenon is still…”
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Subsoiling of an oxisol at fixed and varying depth in areas under sugarcane by Cortez, Lucas Aguilar, Marques Júnior, José, Peluco, Rafael Gonçalves, Siqueira, Diego Silva, Siansi, Frederico Luiz, Barbosa, Ronny Sobreira, Furlani, Carlos Eduardo Angeli, Camargo, Lívia Arantes, Silva, Laércio Santos, Gomes, Romário Pimenta

“…Knowledge of the spatial variability of compaction would minimize the movement of soil and optimize the operation and economic viability of sugarcane…”
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Chemical and physical pedoindicators of soils with different textures: spatial variability by de Oliveira, Ivanildo Amorim, de Freitas, Ludmila, de Aquino, Renato Eleotério, Casagrande, José Carlos, Campos, Milton César Costa, Silva, Laércio Santos

“…Knowing the spatial variability of properties indicative of environmental changes through multivariate and geostatistical analysis can enhance soil planning,…”
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Heavy metals in waters used for human consumption and crop irrigation by Silva, Laercio Santos, Galindo, Izabel Cristina de Luna, Nascimento, Clístenes Wilians Araújo do, Gomes, Romário Pimenta, Freitas, Ludmila de, Oliveira, Ivanildo Amorim de, Campos, Milton César Costa, Cunha, José Maurício da

“…The consumption of contaminated water is a major source of heavy metal contamination in humans and animals. This study therefore aimed to assess Cd, Cu, Mn,…”
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Natural contents of heavy metals in soils of the southern Amazonas state, Brazil by Costa, Rubia Darivanda Silva, Paula Neto, Pérsio, Campos, Milton César Costa, Nascimento, William Barros do, Nascimento, Clistenes Williams Araújo do, Silva, Laércio Santos, Cunha, José Mauricio da

“…Heavy metals occur naturally in the soil as a product of rock weathering and, are commonly associated with environmental pollution and toxicity to living…”
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Structural quality of polyacrylamide-treated cohesive soils in the coastal tablelands of Pernambuco by Melo, Diego Vandeval Maranhão de, Almeida, Brivaldo Gomes de, Souza, Edivan Rodrigues de, Silva, Laércio Santos, Jacomine, Paulo Klinger Tito

“…Water-soluble polymers are characterized as effective flocculating agents due to their molecular features. Their application to soils with horizons with…”
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Identification and quantification of iron oxides by diffuse reflectance spectroscopy with Praying Mantis accessory and integration sphere by Canton, Leila Cristina, Souza Júnior, Ivan Granemann de, Silva, Laércio Santos, Marques Júnior, José, Costa, Antonio Carlos Saraiva da

“…•DRS identify and quantify hematite in soils without maghemite.•Organic matter and high levels of iron oxides overestimates goethite content.•Selective…”
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Does grass-legume intercropping change soil quality and grain yield in integrated crop-livestock systems? by Silva, Laércio Santos, Laroca, Jackeline Vieira dos Santos, Coelho, Anderson Prates, Gonçalves, Evelyn Custódio, Gomes, Romário Pimenta, Pacheco, Leandro Pereira, Carvalho, Paulo César de Faccio, Pires, Gabriela Castro, Oliveira, Rafael Loverde, Souza, Juliana Mendes Andrade de, Freitas, Caio Moretti, Cabral, Carlos Eduardo Avelino, Wruck, Flávio Jesus, Souza, Edicarlos Damacena de

“…In sustainable tropical agriculture, grass-legume intercropping can increase productivity, enhance the nutritional quality of the crop and affect soil…”
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Magnetic susceptibility and properties of Alisols under forest and crops in south Amazonas by Brito, Wildson Benedito Mendes, Campos, Milton César Costa, Souza, Fernando Gomes de, Silva, Laércio Santos, Lima, Hedinaldo Narciso, Lima, Alan Ferreira Leite de, Cunha, José Maurício da

“…Anthropic actions have motivated pieces of research on the impacted naturally poor soils of the Brazilian Amazon, requiring the use of diagnostic attributes…”
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Soil magnetic signature for identification of areas with different sorption potentials of imazaquin by Peluco, Rafael Gonçalves, Marques Júnior, José, Siqueira, Diego Silva, Silva, Laércio Santos, Gomes, Romário Pimenta

“…It is imperative that the increase in world agricultural production be carried out in a sustainable way, minimizing negative environmental effects caused,…”
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Pedotransfer functions for adsorbed phosphorus evaluations using magnetic susceptibility for mapping purposes by da Silva, Luis Fernando Vieira, Silva, Laércio Santos, de Bortoli Teixeira, Daniel, Siansi, Frederico Luiz, França, Ana Beatriz Coelho, Júnior, José Marques

“…This study evaluated the spatial variability of magnetic minerals and the potential of mass-specific magnetic susceptibility (χ lf ) to recognize minimum areas…”
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Magnetic and spectral signature of anthropogenic and non-anthropogenic soils to identify pedogenetic processes in Amazonia, Brazil by dos Santos, Luís Antônio Coutrim, de Araújo Pedron, Fabrício, de Souza Junior, Valdomiro Severino, Silva, Laércio Santos, Campos, Milton César Costa, Araujo, Jane Kelly Silva

“…The present study evaluated the contribution of Fe oxides of the clay fraction as an indicator of pedogenetic and anthropogenic processes of Indian Black…”
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Spatial Variability of Potassium and Agricultural Productivity in Sandy Loam Soil with Rock Dust under Functional Diversity in the Brazilian Cerrado by Nogueira, Bruna Karolayne Andrade, Silva, Laércio Santos, Gasques, Letícia Rosa, Davi, João Eduardo Alves, de Figueiredo, Raisa Fagundes, de Azevedo, Antônio Carlos, da Costa, Antonio Carlos Saraiva, da Silva, Izabela Aline Gomes, Tiecher, Tales, Pacheco, Leandro Pereira, de Souza, Edicarlos Damacena

“…Crop productivity is limited by low levels of potassium (K), a problem that could be reduced in diversified production systems, especially when spatial…”
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