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| Santos,Maria Aparecida do Nascimento dos; Bertol,Ildegardis; Kaufmann,Danieli Schneiders; Mecabô Júnior,José; Bagio,Bárbara. |
| Abstract: The objective of this work was to determine adjustment parameters for the revised universal soil loss equation (Rusle) of a soil subjected to pig slurry application. Treatments consisted of 0, 50, 100, and 200 m3 ha-1 pig slurry (PS), after the cultivation of black oat (Avena strigosa), besides the application of 50 m3 ha-1 PS for six times onto the soil surface in a temporal sequence, and a control treatment of soil without cultivation and without pig slurry application. The evaluations were performed for black oat shoot dry mass, root mass and crop residues semi-incorporated into the soil (RMR), soil losses by means of simulated rain, and the parameters for water erosion modeling. The pig slurry application onto soil surface caused a reduction... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Avena strigosa; Cultural residue factor; Mathematical model; Simulated rain; Soil consolidation factor; Water erosion. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2018001001167 |
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| Kaufmann,Danieli Schneiders; Bertol,Ildegardis; Santos,Maria Aparecida do Nascimento dos; Bagio,Barbara; Mecabô Júnior,José; Borg,Heinz. |
| ABSTRACT: Runoff in agricultural areas with intensive application of pig slurry can transport significant amounts of nutrients. This study evaluates the effects of different pig slurry (PS) application rates (0, 50, 100, and 200 m3 ha-1) on nutrient loss through runoff during soybean cultivation under no-tillage. It was conducted at two sites in southern Brazil, one on an Alfisol (27° 43' south and 50° 3' west) and one on an Inceptisol (27° 47' south and 50° 18' west). The PS was applied to the soil once at the beginning of the soybean cycle. Each plot was 11 m long in the direction of the slope and 3.5 m wide. To induce runoff, artificial rainfall was applied in four different tests (T1, T2, T3, T4), with an intensity of 65 mm h-1 for 90 minutes. The... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Organic fertilization; Artificial rainfall; Nutrient loss. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832019000100502 |
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| Mecabô Júnior,José; Bertol,Ildegardis; Barbosa,Fabrício Tondello; Oselame,Gabriel de Souza. |
| A suinocultura em Santa Catarina é responsável por geração de emprego no meio rural e, por isso, apresenta grande importância social e econômica. Este trabalho foi realizado entre março e setembro de 2012 para avaliar a influência de uma aplicação de dejeto líquido de suínos na erosão hídrica, em um Nitossolo Bruno aluminoférrico húmico, nos tratamentos constituídos pelas doses: 0; 50; 100; e 200 m³ ha-1 do dejeto aplicado na superfície do solo uma única vez, 30 dias após a germinação da aveia-preta. As parcelas tinham 11 × 3,5 m e declividade média de 14,4 %. Ao longo do ciclo da aveia, foram realizados quatro testes de chuva simulada, cada um com quatro chuvas com intensidade planejada de 65 mm h-1 e duração de 75 min, com simulador de chuva tipo... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Perdas de água e solo; Perdas de fósforo e potássio; Suinocultura. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832014000500025 |
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| Ramos,Júlio César; Bertol,Ildegardis; Barbosa,Fabrício Tondello; Bertól,Camilo; Mafra,Álvaro Luiz; Miquelluti,David José; Mecabô Júnior,José. |
| ABSTRACT Water erosion and contamination of water resources are influenced by concentration and diameter of sediments in runoff. This study aimed to quantify runoff velocity and concentration and the D50 index of sediments in runoff under different soil surface managements, in the following treatments: i) cropped systems: no-tilled soil covered by ryegrass (Lolium multiflorum Lam.) residue, with high soil cover and minimal roughness (HCR); no tilled soil covered by vetch (Vicia sativa L.) residue, with high soil cover and minimal roughness (HCV); chiseled soil after ryegrass crop removing the above-ground residues and keeping only the root system, with high roughness (HRR); chiseled soil after vetch crop removing the above-ground residues and keeping only... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Hydric; Erosion; Soil management; Conservation tillage. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162016000300286 |
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