Data/hora: 01/06/2024 17:49:47

Provedor de dados: | 52
País: | Brazil
Título: | Models for the estimation of the physical quality of a Yellow Red Latosol (Oxisol) under pasture
Autores: | Ribon,Adriana Aparecida; Tavares Filho,João.
Data: | 2004-03-01
Ano: | 2004
Palavras-chave: | Modeling; Penetration resistance; Organic matter; Texture.
Resumo: | Models were developed considering the physical parameters penetration resistance (RP), bulk density (Ds), gravimetric moisture (U), clay content (Ag), sand content (Ar) and organic matter (MO) collected from a Yellow Red Latosol (Oxissol) medium texture under pasture from Rondonópolis county district, Mato Grosso State. Sampling was carried out in 34 fully randomized points in a 1 ha area to the depth of 0-20cm. The models were created using the Statistical Analysis System program (SAS) through which linear multiple regressions and correlations were made. Using the determination coefficient the following model was selected: RP=-12.134+0.004MO+7.6187Ds+0.131AG (R²=0.78). The evaluation of the organic matter and the soil clay content were important tools to evaluate the physical quality of the soils, along with other physical soil properties that indicate soil compaction.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132004000100004
Editor: | Instituto de Tecnologia do Paraná - Tecpar
Relação: | 10.1590/S1516-89132004000100004
Formato: | text/html
Fonte: | Brazilian Archives of Biology and Technology  v.47 n.1 2004
Fonte: | info:eu-repo/semantics/openAccess