Contradiction: '‘Estimation of fixed effects’ vs ‘Type III test fixed effects'?

Hi there,

I’m trying to evaluate if there is an effect of a treatment (3 levels) on coffee plants height over 10 different periods of time. Plants are in 9 different blocs, with Blocs nested in Treatment.
I’m using a mixed model (under Systat). In the results ‘Estimation of fixed effects’, none of the treatments, nor the periods, have significant effects. But below, Systat also gives a ‘Type III test for fixed effects’, and there both p-values for treatment and period are significant.
I don’t know how I should understand those results?

Any advice would be great. Thanks.