Armazenamento de água e densidade do solo sob três condições de superfície, em um Cambissol gleico de Lugo, Espanha

• Autor(a) principal: González, Antonio P.
• Data de Publicação: 2005
• Outros Autores: Alves, Marlene C. [UNESP]
• Tipo de documento: Artigo
• Idioma: por
• Título da fonte: Repositório Institucional da UNESP
• Texto Completo: http://dx.doi.org/10.1590/S1415-43662005000100007; http://hdl.handle.net/11449/211634
• topic: physical properties of soil; neutron gamma probe; soil water retention; propriedades físicas do solo; sonda de nêutrons gama; retenção de água

The present work aimed to investigate the soil water storage and bulk density of a Cambisol gleico in Lugo, Spain, with three conditions of soil surface. Thus, the main objective was to study the conservation of the water in the soil. In order to evaluate the soil water content and bulk density, readings were accomplished during 16 months, using a neutron gamma probe under the field conditions. Three plots were used: plot 1 - pasture (Lolium perenne) with 4 years; plot 2 - pasture (Lolium perenne) with 2 years and plot 3 - bare soil. The obtained data at depths of 0.20, 0.30, 0.60 and 1.20 m were discussed. Results show that soil surface conditions were different in the soil water storage until the depth of 0.60 m; the variations of soil water storage influenced the bulk density. Soil water storage variations were lower for the bare soil and higher for the soil surface under 4 year pasture.