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Disponibilidade de formas de fósforo do solo às plantas
(Universidade Federal de Santa Maria, 2003-02-27)
The soil phosphorus availability depends on a dynamic process and it involves its different forms in the soil. The bond energy of phosphorus and its ligants drives the desorption phenomenon and lability of the different ...
Aspectos da ciclagem de nutrientes em um sistema silvopastoril com Acacia mearnsii De Wild., no município de Tupanciretã, RS
(Universidade Federal de Santa Maria, 2003-06-27)
This study had as objective to quantify the biomass above and
below ground of the Acacia mearnsii De Wild. trees and of the Panicum
maximum Jacq., as well as determine these contents in the biomass and
soil and evaluate ...
Processo produtivo de refeições coletivas: uma análise qualitativa
(Universidade Federal de Santa Maria, 2003-06-24)
The alimentary toxinfections of microbial origin have been the recognised as the
most extensive public health problem and it is mainly due to inadequate hygienic and
temperature conditions to which the food is exposed ...
Quantificação da biomassa e dos nutrientes em floresta de Acacia mearnsii De Wild. na região Sul do Brasil
(Universidade Federal de Santa Maria, 2003-02-11)
The black wattle (Acacia mearnsii De Wild) is an originally specie of
Australia that was successfully introduced in Brazil through South African
seeds. The black wattle has some uses, from the bark is extracted the
tannin ...
Produção e partição de biomassa e de nutrientes e recomendação de fertilizantes para o Pinus taeda L. (Nutripinus)
(Universidade Federal de Santa Maria, 2003-12-12)
The study was accomplished in close areas to the municipal districts of
Arapoti and Curiúva, PR, belonging to the company INTERNATIONAL
PAPER, in the period of November of 2002 to January of 2003. Stands, not
thinned, ...
Avaliação de desempenho do óleo de soja como combustível para motores diesel
(Universidade Federal de Santa Maria, 2003-08-04)
The renewed interest in energy for biomass is supported by the need for different
energy sources and the need to protect the environment. Recently, because of increases in
crude oil prices, limited resources of fossil ...