Now showing items 1-2 of 2
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 ...
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 oil ...