Título:	Water retention in B subhorizons of some oxisols.
Autoria:	OLIVEIRA, L. B. de ALMEIDA, J. C. PAULA, J. L. de
Afiliação:	LUIZ BEZERRA DE OLIVEIRA, CNPS; JERONIMO CUNHA ALMEIDA, CNPS; JOSE LOPES DE PAULA, CNPS.
Ano de publicação:	1988
Referência:	In: INTERNATIONAL SOIL CLASSIFICATION WORKSHOP, 8., 1986, Rio de Janeiro. Classification, characterization and utilization of oxisols: proceedings. Rio de Janeiro: EMBRAPA-SNLCS: USDA-SMSS: University of Puerto Rico, 1988. pt. 1, p. 147-149.
Conteúdo:	Water retention at different tensions was determined in 15 B subhorizons (Bol or Bo3), previously selected from Brazilian Oxisols studied in the VIII th International Soil Classification Workshop (ISCW). The volumetric water retention curves and the availability of water (calculated as the difference between the percent of water at 1/3 and 15 bars) are presented. It can be concluded that the volumetric water retention curves have similar sharpes, independent of the amount of total clay in the samples; the curves become practically horizontal starding at the 5 bars tension in the majority of the samples. The amount of available water was low for 11 samples and medium for the remaining 4 samples.
Thesagro:	Retenção de Água no Solo Oxisol
NAL Thesaurus:	Oxisols
Tipo do material:	Artigo em anais e proceedings
Acesso:	openAccess
Aparece nas coleções:	Artigo em anais de congresso (CNPS)