The following kernel loss chart shows the number of kernels that must be lost per square meter before a total of 88 kg per hectare is lost. It also points out that a few kernels lost behind the combine does not call for numerous adjustments on the combine.
Row Spacing mm (In.)
Number of Rows
Kernels Per m2 For 88 Kg Loss Per Hectare
914 mm (36)
5
66
711 mm (28)
6
66
762 mm (30)
6
66
762 mm (30)
6
66
914 mm (36)
6
77
965 mm (38)
6
88
1016 mm (40)
6
88
711 mm (28)
8
88
762 mm (30)
8
88
762 mm (30)
8
88
914 mm (36)
8
-
965 mm (38)
8
-
These figures are approximate and vary with seed size and variety.
NOTE:
Seeds are gathered directly behind the separator without a chaff spreader or straw chopper.