Flora and Fauna Changes During Conversion from Conventional to Organic Farming
Table 3.4.
Schematic summary of the analyses of the estimated dry mass means (mg m–2) of various groups of arthropods
collected in the experimental barley and wheat fields at June and July.
Source of variation
Skylark Prey
Carabidae and Staphylinidae
All arthropods
Period
nsab
ns
ns
Year(Period)
< 0.0001
< 0.0001
< 0.0001
Crop
ns
ns
0.0126
Crop×Period
< 0.0001
< 0.0001
< 0.0001
Field
0.003
< 0.0001
0.0016
Plot(Field)
a
Ns: Not significant (p > 0.05) but factor included in the model.
b
If ‘period’ is tested against MS (Residual) instead of MS (year (period)) the period effect is significant (p < 0.05).
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