Table 7. Value of Pearson correlation coefficient between termination efficiency and vegetative indices for respective cover crop species.
Vegetative indices | Wheat | Cereal rye | Hairy Vetch | Rapeseed |
---|---|---|---|---|
BNDVI | -0.73 | -0.72 | -0.11ns | -0.30 |
BWDRVI | -0.70 | -0.68 | -0.13ns | -0.31 |
CIG | -0.51 | -0.57 | -0.19ns | -0.44 |
CIRE | -0.62 | -0.58 | -0.17ns | -0.38 |
GBNDVI | -0.64 | -0.61 | -0.20ns | -0.56 |
GLI | -0.79 | -0.80 | 0.02ns | -0.12ns |
GNDVI | -0.61 | -0.52 | -0.20ns | -0.42 |
GRVI | -0.58 | -0.57 | -0.18ns | -0.45 |
NGRDI | -0.68 | -0.70 | 0.01ns | -0.30 |
NDREI | -0.62 | -0.56 | -0.19ns | -0.36 |
NDVI | -0.62 | -0.67 | -0.11ns | -0.66 |
PNDVI | -0.67 | -0.65 | -0.16ns | -0.62 |
nsNon-significant at 5% level of significance, correlation coefficient values not followed by ns are significant at 5% level of significance
BNDVI = Blue Normalized Difference Vegetation Index, BWDRVI = Blue Wide Dynamic Range Vegetation Index, CIG = Chlorophyll Index Green, CIRE = Chlorophyll Index Red-edge, GBNDVI = Green Blue Normalized Difference Vegetation Index, GLI = Green Leaf Index, GNDVI = Green Normalized Difference Vegetation Index, GRVI = Green Ration Vegetation Index, NGRDI = Normalized Green Red Difference Index, NDREI = Normalized Difference Red-edge Index, NDVI = Normalized Difference Vegetation Index, PNDVI = Pan Normalized Difference Vegetation Index.