Now showing items 1-10 of 2118
Indicadores de qualidade do solo em diferentes sistemas de manejo
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Planejamento e Uso de Recursos Renováveis - PPGPUR-SoCâmpus Sorocaba, 2019-02-12)
The use and management of the soils have caused physical-water changes of them. The evaluation of these modifications is necessary for the dimensioning of the physical quality of the soils, in order to characterize and ...
Discriminação de argissolos e avaliação da estabilidade de agregados por vias seca e úmida em diferentes sistemas de uso e manejo
(Universidade Estadual Paulista (Unesp), 2005-09-20)
In order to discriminate ARGISSOLOS and to evaluate aggregates stability by dry and humid ways under different use and management systems, it was studied soil profiles under agricultural and pasture for more than twelve ...
Atributos químicos e microbiológicos de solo cultivado com cana-de-açúcar sob manejo convencional e orgânico
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Agroecologia e Desenvolvimento Rural - PPGADR-Ar, 2011-10-25)
The identification of soil quality indicators that demonstrate the alterations occurred in areas under organic management is important to determine the sustainability of this kind of cultivation. The soil microbial biomass ...
Avaliação visual da saúde de solos sob diferentes usos
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Agroecologia e Desenvolvimento Rural - PPGADR-ArCâmpus Araras, 2017-07-21)
Defining when an agroecosystem can be considered healthy is one of the challenges faced by both family farmers and extension workers and researchers. There are several methodologies of visual evaluation of indicators that ...
Implicações do uso do solo nas propriedades físicohídricas e mecânicas de um argissolo vermelhoamarelo e de um gleissolo háplico
(Universidade Federal de Santa MariaBRAgronomiaUFSMPrograma de Pós-Graduação em Ciência do Solo, 2010-07-23)
The Central Depression is an area with sedimentary rocks, presenting a large variety of soils. In highlands Alfisols are found, whereas in lowlands Planosols and Endoaqualf. The morphological, physical and chemical ...
Soil quality and grain yield as a function of crop rotation in long-term
(Universidade Estadual Paulista (Unesp), 2019-06-28)
Soil is a non-renewable resource that play a fundamental role on environmental quality and to human well-being. Unsuitable land use and management practices trigger a decline in soil quality, which can lead to soil degradation ...