Space dependency of chemical attributes in an area with sugarcane plantation in Pereira Barreto, SP
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Data
2007-01-01
Autores
Costa Campos, Milton Cesar
Marques Junior, Jose [UNESP]
Tadeu Pereira, Gener [UNESP]
de Souza Freitas, Eriberto Vagner
Título da Revista
ISSN da Revista
Título de Volume
Editor
Univ Federal Ceara
Resumo
The behavior of the chemical attributes is directly influenced by superficial flow and water movement inside the soil. This work aimed to study the space dependency of chemical attributes in an area with sugarcane plantation in Pereira Barreto, SP. An area of 530.67 hectares was mapped using an equipment of Global Positioning System and obtaining a Digital Elevation Model. A set of 134 soil samples were collected every seven hectares in the depths of 0-0.25 m and 0.80-1.00 m. The pH, organic matter (OM), Ca, Mg, K, BS, CEC and base saturation (BS) were analyzed. All the chemical attributes presented similar behavior in the superficial and subsuperficial layer of the soil, which provided better visualization and definition of the homogeneous tillage zones.
Descrição
Palavras-chave
Geostatistics, spatial variability, Sugarcane
Como citar
Revista Ciência Agronomica. Fortaleza: Univ Federal Ceara, v. 38, n. 4, p. 350-359, 2007.