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Registro Completo |
Biblioteca(s): |
Embrapa Semiárido. |
Data corrente: |
28/02/2012 |
Data da última atualização: |
13/07/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
TIMM, L. C.; RECKZIEGEL, N. L.; AQUINO, L. S.; BASSOI, L. H.; GUIMARÃES, E. C.; TAVARES, V. E. Q.; VAZ, C. M. P.; MANIERI, J. M.; RAMOS, C. M. C.; RIBEIRO, P. R. de A.; REICHARDT, K. |
Afiliação: |
LUÍS CARLOS TIMM; NESTOR LUIS RECKZIEGEL; LEANDRO SANZI AQUINO; LUIS HENRIQUE BASSOI, CPATSA; EDNALDO CARVALHO GUIMARÃES; VITOR EMANUEL QUEVEDO TAVARES; CARLOS MANOEL PEDRO VAZ, CNPDIA; JULIANA MARIA MANIERI; CLOVIS MANOEL CARVALHO RAMOS; PAULA ROSE DE ALMEIDA RIBEIRO; KLAUS REICHARDT. |
Título: |
Spatial variability of physical and hydraulic attributes of a sandy soil in the Northeast Brazil. |
Ano de publicação: |
2010 |
Fonte/Imprenta: |
Revista Suelos Ecuatoriales, Colombia, v. 40, n. 2, p. 139-151, 2010. |
Idioma: |
Inglês |
Conteúdo: |
The knowledge of field management zones based on soil attributes can be helpful for the implementation of site-specific management. This work had the objective of analyzing the spatial dependence of soil attributes of the 0-0.20 m and 0.20-0.40 m layers of an Entisols Quartzipsamments, in Petrolina, Northeast Brazil, which has been cultivated with micro sprinkler irrigated grapevines. In a rectangular grid with 168 points spaced by 4.0 x 3.5 m, soil samples were collected from each layer to determine soil bulk density, contents of clay, silt and sand, soil water contents at field capacity and wilting point. All data sets were submitted to classic statistical and geostatistical analyses. For the 0-0.20 m layer, the distributions of soil bulk density, clay content and soil water content at field capacity presented a spatial dependence structure, with ranges of 10.0 m, 8.3 m and 7.2 m, respectively. In the 0.20-0.40 m layer, spatial dependence was found for soil density, sand content (6.6 m for both attributes) and soil water content at field capacity (6.8 m range). Distributions of silt and sand contents and soil water content at wilting point presented no spatial dependence in the upper layer as well as the clay and silt contents and soil water content at wilting pointing in the deeper layer. By constructing the soil attribute contour maps, distinct management zones were defined as well as their extension. Practical uses for irrigation scheduling purposes were proposed. |
Palavras-Chave: |
Atributos do solo; Dependência espacial; Neossolos Quartzarênicos. |
Thesagro: |
Irrigação; Solo; Uva. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/54750/1/Bassoi1.PDF
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Marc: |
LEADER 02409naa a2200313 a 4500 001 1916871 005 2023-07-13 008 2010 bl uuuu u00u1 u #d 100 1 $aTIMM, L. C. 245 $aSpatial variability of physical and hydraulic attributes of a sandy soil in the Northeast Brazil.$h[electronic resource] 260 $c2010 520 $aThe knowledge of field management zones based on soil attributes can be helpful for the implementation of site-specific management. This work had the objective of analyzing the spatial dependence of soil attributes of the 0-0.20 m and 0.20-0.40 m layers of an Entisols Quartzipsamments, in Petrolina, Northeast Brazil, which has been cultivated with micro sprinkler irrigated grapevines. In a rectangular grid with 168 points spaced by 4.0 x 3.5 m, soil samples were collected from each layer to determine soil bulk density, contents of clay, silt and sand, soil water contents at field capacity and wilting point. All data sets were submitted to classic statistical and geostatistical analyses. For the 0-0.20 m layer, the distributions of soil bulk density, clay content and soil water content at field capacity presented a spatial dependence structure, with ranges of 10.0 m, 8.3 m and 7.2 m, respectively. In the 0.20-0.40 m layer, spatial dependence was found for soil density, sand content (6.6 m for both attributes) and soil water content at field capacity (6.8 m range). Distributions of silt and sand contents and soil water content at wilting point presented no spatial dependence in the upper layer as well as the clay and silt contents and soil water content at wilting pointing in the deeper layer. By constructing the soil attribute contour maps, distinct management zones were defined as well as their extension. Practical uses for irrigation scheduling purposes were proposed. 650 $aIrrigação 650 $aSolo 650 $aUva 653 $aAtributos do solo 653 $aDependência espacial 653 $aNeossolos Quartzarênicos 700 1 $aRECKZIEGEL, N. L. 700 1 $aAQUINO, L. S. 700 1 $aBASSOI, L. H. 700 1 $aGUIMARÃES, E. C. 700 1 $aTAVARES, V. E. Q. 700 1 $aVAZ, C. M. P. 700 1 $aMANIERI, J. M. 700 1 $aRAMOS, C. M. C. 700 1 $aRIBEIRO, P. R. de A. 700 1 $aREICHARDT, K. 773 $tRevista Suelos Ecuatoriales, Colombia$gv. 40, n. 2, p. 139-151, 2010.
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Embrapa Semiárido (CPATSA) |
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Registros recuperados : 11 | |
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