Data/hora: 09/06/2024 06:45:20

Provedor de dados: 	Acta Scientiarum: Agronomy	
País: 	Brazil	
Título: 	Spatial variability of soil physical-hydric attributes under bovine trampling in agreste of Pernambuco State, Brazil	
Autores: 	Batista, Pedro Henrique Dias; Almeida, Gledson Luiz Pontes de; Pandorfi, Héliton; Tavares, Uilka Elisa; Melo, Airon Aparecido Silva de; Guiselini, Cristiane.	
Data: 	2018-11-13	
Ano: 	2018	
Palavras-chave: 	Compaction soil; Geostatistic; Girolando; Grazing; Ordinary kriging.; Engenharia Agrícola.	
Resumo: 	Soils under pastures suffer physical modifications, in greater or lesser intensity, via the action of animal trampling. Thus, the aim was to evaluate the spatial dependence of soil physical attributes under bovine trampling. The trial was performed at Roçadinho Farm, Agreste of Pernambuco, Brazil, in a 40 x 40 m paddock that was managed with continuous stocking by bovines and 12 AU ha-1 stocking rate. Soil samples were collected before and after grazing using a 6 x 6 m grid, totaling 36 sampling points. At each point, the bulk density, total porosity, moisture, soil penetration resistance at 0.00 - 0.10, 0.10 - 0.20, and 0.20 - 0.30 m depth were estimated, as was the hydraulic conductivity on the saturated soil surface. Descriptive statistics and geostatistics supported the data analysis. A normal distribution was verified for all variables, which were scored as either low or high variability in terms of the variation coefficient. The physical attributes (density, total porosity, moisture, soil penetration resistance and hydraulic conductivity) of the soil sampled presented a strong spatial dependence before and after grazing. 	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/39594

10.4025/actasciagron.v41i1.39594	
Editor: 	Universidade Estadual de Maringá	
Relação: 	http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/39594/pdf	
Formato: 	application/pdf	
Fonte: 	Acta Scientiarum. Agronomy; Vol 41 (2019): Publicação Contínua; e39594

Acta Scientiarum. Agronomy; v. 41 (2019): Publicação Contínua; e39594

1807-8621

1679-9275	
Fonte: 	Copyright (c) 2018 Acta Scientiarum. Agronomy

https://creativecommons.org/licenses/by/4.0