Characteristics and attributes of Oxisols under different land uses in the western region of the state of Bahia, Brazil

被引：0
|
作者：
Fontana, Ademir [1 ]
Teixeira, Wenceslau Geraldes [1 ]
Balieiro, Fabiano de Carvalho [1 ]
Alves de Moura, Thayane Pires [2 ]
de Menezes, Andressa Rosas [3 ]
Santana, Camila Ignez [4 ]
机构：
[1] Embrapa Solos, Rua Jardim Bot 1024, BR-22460000 Rio De Janeiro, RJ, Brazil
[2] Univ Fed Estado Rio de Janeiro, Ave Pasteur 458, BR-22290255 Rio De Janeiro, RJ, Brazil
[3] Univ Fed Rural Rio de Janeiro, BR 465,Km 7, BR-23890000 Rio De Janeiro, RJ, Brazil
[4] Univ Fed Rio de Janeiro, Ave Athos da Silveira Ramos,274 Cidade Univ, BR-21941902 Rio De Janeiro, RJ, Brazil
来源：
PESQUISA AGROPECUARIA BRASILEIRA | 2016年 / 51卷 / 09期
关键词：
Cerrado; dense layer; soil compaction; field saturated hydraulic conductivity; Guelph permeameter; light soils; SOILS;
D O I：
10.1590/S0100-204X2016000900044
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
The objective of this work was to evaluate the effects of different land uses on the characteristics and attributes of Oxisols in the western region of the state of Bahia, Brazil. The Oxisols had textures with largely predominant sand fraction, and they were evaluated in areas of cerrado, cotton, soybean, and common bean in the municipality of Luis Eduardo Magalhaes. The morphological characterization and the collection of samples for evaluating soil physical and chemical attributes of horizons were carried out in small trenches, while the evaluation of field saturated hydraulic conductivity was done using the Guelph permeameter at two depths: 0.0 to 0.20 and 0.20 to 0.40 m. The evaluated Oxisols, besides their massive structure, showed a dense genetic horizon, which, under agricultural use, becomes more compacted, thick, and shallow, forming clods when plowed. Agricultural use reduces the saturated hydraulic conductivity of the evaluated Oxisols in both layers, except for common bean cultivation.
引用
收藏
页码：1457 / 1465
页数：9
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