Flora and Fauna Changes During Conversion from Conventional to Organic Farming
Table 4.1.
Factors included in the anova of Skylark occurrence if no dosage effect was
apparent. The nature of each factor (fixed/random) and the denominator (error
term) used in the test of significance of each factor in a balanced design are shown.
The tests of main effects period and crop assume that the crop×period interaction is
zero.
Source of variation
Fixed / random
Denominator in F test (balanced
design)
Period
Fixed
MS(Year(Period))
Year(Period)
Random
MS(Residual)
Crop
Fixed
MS(Residual)
Crop×Period
Fixed
MS(Residual)
Field
Random
MS(Plot(Field))
Plot(Field)
Random
MS(Residual)
Residual
Random
|