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Desempenho e emissões de motor agrícola ciclo diesel utilizando diferentes combustíveis
(Universidade Federal de Santa Maria, 2014-07-25)
The behavior of the agricultural cycle diesel engine when changes the fuel type and
operating mode, must be known so that we can identify the best fuel resulting in better performance
at lower emissions. However, when ...
Comparação de métodos via solo e via demanda evaporativa para manejo de irrigação da cultura da soja safrinha
(Universidade Federal de Santa Maria, 2014-08-25)
Irrigation must function adequately meet the water demands of crops so that they express their full productive potential. However, there are variations with the soil-plant-atmosphere relationship, interfering to determine ...
Estimativa dos parâmetros da resistência do solo ao cisalhamento através de pedotransferência
(Universidade Federal de Santa Maria, 2014-07-11)
The growing world population requires a higher demand for food and one of the
techniques to meet this demand is irrigation. One of the best alternatives for the
storage of water for use in irrigation are earth dams. The ...
Desempenho de mecanismos sulcadores de semeadora-adubadora sobre os atributos físicos do solo em várzea no comportamento da cultura da soja (Glycine Max L).
(Universidade Federal de Santa Maria, 2014-08-15)
Soybeans are very beneficial in rotation to rice in lowland areas, but one of the limiting factors on the crop in lowland areas is the soil compaction. The objective of this study was to evaluate the effect of furrow ...
Aperfeiçoamento de um mecanismo sulcador para plantio direto de mandioca
(Universidade Federal de Santa Maria, 2010-10-23)
In the cassava production the conventional tillage, characterized by soil preparation with intensive mobilization, is commonly used. However, when this practice results in the maintenance of small quantities of straw on ...
Estimativa de vazão com dados escassos: novas hipóteses para o método silveira
(Universidade Federal de Santa Maria, 2016-03-18)
The estimates of low flow in ungauged basins with data lacking represent in Brazil an urgent technical demand as a result of the environmental licensing and water rights. These processes are requirements of our legislation ...
O empreendedorismo em uma cadeia produtiva de leite: desenvolvimento de uma medida
(Universidade Federal de Santa Maria, 2011-12-19)
The central objective of this doctorate thesis is establish inferences about possible
correlations between entrepreneurial characteristics of rural properties managers which are
inserted in the context of a dairy supply ...
Dinâmica hidrossedimentológica de pequenas bacias hidrográficas florestais
(Universidade Federal de Santa Maria, 2015-10-13)
Areas cultivated with eucalyptus forests have increased in Southern Brazil, and the effects on hydrosedimentological processes are not well known particularly at the watershed scale and in watersheds where land use has ...
Ciclagem biogeoquímica de nutrientes em Eucalyptus dunnii Maiden em uma microbacia hidrográfica experimental do bioma Pampa
(Universidade Federal de Santa Maria, 2014-09-04)
The planting of large areas with exotic species is a consequence of the evolution of an
entire industrial structure; it aims to meet the demand for forest products. The use of
these species requires knowledge on the ...
Densidade e incremento diamétrico de árvores individuais da floresta ombrófila mista
(Universidade Federal de Santa Maria, 2013-07-23)
This study aimed to provide answers about the diameter growth for individual trees of different layers of the Mixed Ombrophylous Forest of São Francisco de Paula, in northeastern Rio Grande do Sul, as well as present methods ...