11/08/2008
Educação Básica::Ensino Fundamental Final::Ciências Naturais::Vida e ambiente
Determinar o pH do solo em diferentes amostras e discutir a importância do conhecimento do pH do solo para as práticas agrosilvipastoris
Through an experience involving a purple cabbage it determines the soil's pH in different samples and observes the acid, basic and neutral pH
Lima, Marcelo Ricardo de
Yoshioka, Maria Harumi
http://www.escola.agrarias.ufpr.br/experimentoteca.html
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