Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1590/S0103-84782008000300016 |
Spatial variability of texture and salinity in a Fluvic Neossol of the semi-arid | |
de Souza, Edivan Rodrigues1; de Assungao Montenegro, Abelardo Antonio2,3; Lima Montenegro, Suzana Maria Gico; Monteiro dos Santos, Thais Emanuelle2; Andrade, Tafnes da Silva2; Pedrosa, Elvira Regis2 | |
通讯作者 | de Souza, Edivan Rodrigues |
来源期刊 | CIENCIA RURAL
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ISSN | 0103-8478 |
EISSN | 1678-4596 |
出版年 | 2008 |
卷号 | 38期号:3页码:698-704 |
英文摘要 | Analysis of the physical attributes and salinity of soils is important for proposing management strategies in irrigated areas. The objective of this study was to evaluate the spatial dependence of the granulometric fractions and electric conductivity of the saturation extract in an area irrigated in the semi-arid of Pernambuco State. A 5 x 5m regular mesh was adopted, with 98 sampling points collected at depth 0-20cm. The variables have been analysed through statistics and geoestatistics. The variation coefficients of the saturation extract were 26.08; 14.81; 16.01 and 28.00% for sand, clay, silt and electrical conductivity of the saturation extract, respectively. The spatial dependence was identified as high for the granulometric fractions and as moderate for the electric conductivity with ranges of 56; 50 and 55 and 35m, respectively. The electric conductivity has a strong spatial correlation with silt content, presenting range of 52m, for the cross semivariogram. The results highlight the importance of the silt fraction in the spatial distribution of salinity in loam soils, and its relevance for adequate management of these soils. |
英文关键词 | geoestatistics electric condutivity loam soils |
类型 | Article |
语种 | 葡萄牙语 |
国家 | Brazil |
收录类别 | SCI-E |
WOS记录号 | WOS:000255842000016 |
WOS关键词 | SOIL |
WOS类目 | Agronomy |
WOS研究方向 | Agriculture |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/156876 |
作者单位 | 1.Univ Fed Rural Pernambuco, Dept Agron, BR-52171900 Recife, PE, Brazil; 2.Univ Fed Rural Pernambuco, Dept Tecnol Rural, BR-52171900 Recife, PE, Brazil; 3.Univ Fed Rural Pernambuco, Dept Civil Engn, BR-52171900 Recife, PE, Brazil |
推荐引用方式 GB/T 7714 | de Souza, Edivan Rodrigues,de Assungao Montenegro, Abelardo Antonio,Lima Montenegro, Suzana Maria Gico,et al. Spatial variability of texture and salinity in a Fluvic Neossol of the semi-arid[J],2008,38(3):698-704. |
APA | de Souza, Edivan Rodrigues,de Assungao Montenegro, Abelardo Antonio,Lima Montenegro, Suzana Maria Gico,Monteiro dos Santos, Thais Emanuelle,Andrade, Tafnes da Silva,&Pedrosa, Elvira Regis.(2008).Spatial variability of texture and salinity in a Fluvic Neossol of the semi-arid.CIENCIA RURAL,38(3),698-704. |
MLA | de Souza, Edivan Rodrigues,et al."Spatial variability of texture and salinity in a Fluvic Neossol of the semi-arid".CIENCIA RURAL 38.3(2008):698-704. |
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