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Fertility and acidity status of latossolos (oxisols) under pasture in the Brazilian Cerrado Anais da ABC (AABC)
Vendrame,Pedro R.S.; Brito,Osmar R.; Guimarães,Maria F.; Martins,Éder S.; Becquer,Thierry.
The Cerrado region, with over 50 million hectares of cultivated pasture, provides 55% of Brazilian beef production. Previous investigations have shown that about 70-80% of this pasture is affected by some kind of degradation, leading to low productivity. However, until now, few surveys have been carried out on a regional scale. The aim of the present work is both to assess the fertility and acidity levels of Cerrado soils under pasture and compare the variability of the soils characteristics on a regional scale. Two soil depths were sampled in different places within the studied area: (1) a surface horizon (0.0-0.2 m) in order to evaluate its fertility and acidity status for pasture, and (2) a subsurface horizon (0.6-0.8 m), used for classification. Most...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cation exchange capacity; Exchangeable aluminum; Phosphorus availability; Soil degradation; Total carbon.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000400026
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