Flora and Fauna Changes During Conversion from Conventional to Organic Farming
Table 2.1.
Schematic summary of the analyses of weed density, proportion of flowering weed
plants and species richness. P-values are given for explanatory factors included in
the reduced model. Grey areas indicate factors not included in the full model. r2 for
the reduced model is given in brackets.
Weed density
(r2=0.93)
(n=30)
Proportion of flowering
weed plants
(r2=0.93) (n=24)
Species richness
(r2=0.86)
(n=30)
Species number spring
0.044
Weed density spring
<0.0001
Weed density
<0.0001
Period
<0.0001
Year(Period)
0.014
0.099
Crop
0.0099
Crop×Period
0.014
<0.0001
Field
0.012
Dosage
0.059
Dosage×Period
0.011
Dosage×Crop
Dosage×Field
Dosage×Crop×Period
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