Jean Carlo Santos de Oliveira

Rural Development Institute

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José Francirlei de Oliveira

Instituto Agronômico do Paraná

João Tavares Filho

Universidade Estadual de Londrina

Graziela Moraes de Césare Barbosa

Instituto Agronômico do Paraná

Alex Figueiredo

Universidade Estadual de Londrina

Guilherme Francisco Tullio

Instituto Agronômico do Paraná

Fábio Rogério Trizotti Rosa

Leila Müller

Francieli de Fátima Missio

Katiaíres Evangelista Delpin Malvezi

Universidade Estadual Paulista (Unesp)

Wesley Machado

Anhanguera-Uniderp University

Cooperative Institutions

Universidade Estadual de Londrina

Instituto Agronômico do Paraná

Brazilian Agricultural Research Corporation

ORCID

Universidade Estadual Paulista (Unesp)

Universidade Estadual do Oeste do Paraná

Universidade Federal de Viçosa

Universidade Norte do Paraná

Agricultural Research Corporation

Universidade de São Paulo

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Changes in carbon and phosphorus storages and humic substances in a Ferralsol, after tillage and animal manures applications

Soil and Tillage Research (2022)

José Francirlei de Oliveira Jean Carlo Santos de Oliveira Danilo Bernardino Ruiz Graziela Moraes de Césare Barbosa João Tavares Filho

Liquid manure

Humin

10.1016/j.still.2022.105358

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Citations (5)

Clay dispersal in soil treated with landfill leachate containing high concentrations of Na+ and K+: a case study

OBSERVATÓRIO DE LA ECONOMÍA LATINOAMERICANA (2024)

Gabriela Silva Machineski Graziela De Luca Canto José Francirlei de Oliveira Jean Carlo Santos de Oliveira Francieli de Fátima Missio

Waste deposited in landfills undergoes decomposition and generates a liquid called leachate (LAS). Despite its high potential for environmental pollution, LAS has been used in agriculture because it is rich in carbon and nutrients. However, the effect of LAS application on soil clay dispersion remains inconclusive. Considering that the application of high concentrations of Na+ and K+ can cause long-term clay dispersion, the objective of this work was to evaluate clay dispersion in a clay Oxisol after 6 years of LAS application with a high concentration of Na+ and K+. The evaluation was conducted in a grain production experimental area of IDR-PR. For 6 years, two applications per year of LAS were performed, appling an amount equivalent to 28.6 kg ha-1 of total N. Before and after LAS application, soil sampling was performed, collecting 32 samples randomly in a 0-0.2 m depth. Analysis of clay dispersed in water, pH-H2O, pH-KCl, organic carbon, the cation bases: Ca2+, Mg2+, K+, and Na+ were performed, and estimated zero charge point, and ∆pH. The results showed that after 6 years, organic carbon and cation bases in soil increased. Dispersed clay rather a reduction of 11.2%. Thus, long-term application of LAS with high concentrations of Na+ and K+, did not increase clay dispersion in a clay Oxisol after 6 years and increases organic carbon and nutrients.

Clay soil

10.55905/oelv22n7-159

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The no-tillage, with crop rotation or succession, can increase the degree of clay dispersion in the superficial layer of highly weathered soils after 24 years

Semina Ciências Agrárias (2020)

Alex Figueiredo Thadeu Rodrigues de Melo Jean Carlo Santos de Oliveira Wesley Machado José Francirlei de Oliveira

Clay dispersion is directly related to water erosion, especially during detaching and dragging of particles. No-till is one of the most important strategies for soil and water conservation in tropical and sub-tropical regions, and when associated with crop rotation, may reduce the degree of clay dispersion. The study aimed to evaluate, after 24 years, the effect of different soil management systems and crop systems on the degree of clay dispersion of a Rhodic Ferralsol. The experimental design was completely randomized in a 4x2 factorial scheme, with four soil managements (continuous no-tillage, no-tillage with chiseling every three years, disk plowing followed by light harrowing and heavy disking followed by light harrowing) and with two crop systems (crop succession and rotation). The degree of clay dispersion was evaluated and associated with soil chemical attributes from layer 0.00-0.10 m. The degree of clay dispersion is affected by the soil management systems with no effect of crop systems. The soil management system with the lowest soil disturbance (continuous no-tillage) has a higher degree of clay dispersion than the ones that disturb the soil, regardless of the agricultural implement used or soil disturbance intensity. The soil electrochemical imbalance, primarily caused by soil potential acidity, is positively correlated to the increase in the degree of clay dispersion of the superficial soil layer under continuum no-tillage.

Plough

Crop Rotation

10.5433/1679-0359.2021v42n1p57

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Citations (4)

Oxisol physical quality with application of landfill leachate

Semina Ciências Agrárias (2017)

Jean Carlo Santos de Oliveira José Francirlei de Oliveira Alex Figueiredo Graziela Moraes de Césare Barbosa João Tavares Filho

The organic carbon present in the landfill leachate (LL) can improve the physical quality of the soil when applied in agricultural areas, minimizing the problem of disposal of this waste. The objective of this work was to evaluate the effect of the application of different doses of LL on the physical quality of the Red Latosol (Oxisol) after five years of applications. The treatment consisted of applications of LL in doses of 32, 65, 98 and 130 m3 ha-1 crop-1 and the treatment that receives mineral fertilizer. The physical quality of the soil was evaluated in soil samples collected in the layers 0.00-0.10 and 0.10-0.20 m, through the analysis of stability and diameter of the aggregates, soil density, total aeration capacity, field capacity and available water content. After five years of application of LL, at doses of 65, 98 and 130 m3 ha-1 crop-1 have promoted a linear increase of the aggregates with diameter greater than 2.00 mm, of the weighted average and geometric diameters and of the soil density, with a consequent reduction of the ratio between macro and micropores and the aeration capacity of the layers 0.00-0.10 and 0.10-0.20 m. After five years of these applications, the soils that received the dose of 32 m3 ha-1 crop-1 presented the best physical quality in relation to the other doses, since this dose did not promote an increase of the aggregates larger than 2 mm in the superficial layer (0.00-0.10 m) and was the dose with lower effect in the reduction of aeration of the soil, in relation to the others (65, 98 and 130 m3 ha-1 season-1) in the layers 0.00-0, 10 and 0.10 - 0.20 m.

Oxisol

Latosol

Soil Quality

10.5433/1679-0359.2017v38n5p2967

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DINÂMICA DE NUTRIENTES DO SOLO EM SISTEMA DE PLANTIO DIRETO

Acta Iguazu (2015)

Katiaíres Evangelista Delpin Malvezi Luiz Antônio Zanão Júnior Leila Müller Fábio Rogério Trizotti Rosa Jean Carlo Santos de Oliveira

A demanda cada vez maior de alimentos frente a necessidade de sistemas produtivos sustentaveis remete solucoes que favorecem o equilibrio ambiental e economico da atividade agricola. O plantio direto e uma pratica que atende a essas exigencias e conhecer o comportamento dos nutrientes do solo neste sistema, consiste em avancos promissores. O revolvimento minimo do solo e a boa cobertura vegetal propiciam melhores condicoes de umidade do solo beneficiando incremento e disponibilidade de nutrientes as plantas, principalmente nas camadas superiores, mesmo em condicoes de elevada acidez. A disponibilidade de potassio, nitrogenio e fosforo sao beneficiadas assim como a calagem que supre a deficiencia de calcio e magnesio no solo. Alem disso, a producao de fitomassa pelas plantas de cobertura que liberam nutrientes pela decomposicao da palhada, aliado aos efeitos nas propriedades do solo, favorecem menores perdas por lixiviacao, economia na adubacao e aumento na produtividade.

10.48075/actaiguaz.v4i3.13094

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