Biblioteca Digital de VanguardiaSpatial dependence of soil physical attributes in of Alfissol forest
This study aim to evaluate the spatial variability of soil physical attributes in of Alfissol forest inManicoré region, AM. The mapping of an agroforestry growing area of 70x70m was made using aregular grid sampling of 10 x 10m. In each grid , soil samples were collected at 0.0 – 0.2 and 0,40 –0,60...
| Autores principales: | , , , |
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| Formato: | info:eu-repo/semantics/article |
| Lenguaje: | Portugués |
| Publicado: |
Federal University of Piauí
2013
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| Materias: | |
| Acceso en línea: | https://comunicatascientiae.com.br/comunicata/article/view/214 http://biblioteca-repositorio.clacso.edu.ar/handle/CLACSO/77573 |
| Sumario: | This study aim to evaluate the spatial variability of soil physical attributes in of Alfissol forest inManicoré region, AM. The mapping of an agroforestry growing area of 70x70m was made using aregular grid sampling of 10 x 10m. In each grid , soil samples were collected at 0.0 – 0.2 and 0,40 –0,60 m depth, with a total of 128 sample points. Physical analyses were made (texture, soil bulk andparticles density, macro and microporosity, total porosity and aggregates stability in water).Withthe exception of DMG, DMP and class aggregates <1.00 mm had all the physical attributes spatialdependence structure ranging from moderate to weak. Values were above the range establishedin the mesh (12.00 to 45.56 m), enabling to make a basis for future studies in forest area. The physicalattributes presented in kriging maps different spatial behavior, however there are relationshipsbetween these attributes shown by geostatistics proving that this is effective tool for studies in forestarea. |
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