The following seed loss chart shows the number of seeds that equal a 50 kg per hectare loss (bushel per acre). A few seeds behind the combine does not call for numerous adjustments.
Platform Seed Loss
Crop
PLATFORM MODEL
615 F & R
618 F & R
620 F & R
622 F & R
625 F & R
630 F & R
Seeds in a 0.3 m square = 50 kg/ha (Seeds per Square Foot = 1 bushel/acre)
Barley
54 (57)
65 (68)
73 (76)
80 (83)
91 (95)
109 (114)
Edible Beans
6 (7)
7 (9)
7 (10)
8 (11)
9 (12)
11 (14)
Oats
44 (31)
53 (37)
58 (41)
64 (45)
73 (51)
88 (61)
Canola
377 (411)
453 (493)
503 (547)
553 (602)
629 (684)
755 (821)
Sorghum (Milo)
52 (64)
63 (77)
70 (85)
77 (94)
87 (106)
105 (128)
Soybeans
9 (12)
11 (14)
12 (16)
13 (17)
15 (20)
18 (24)
Sunflowers (10 lb/acre)
3 (3)
3 (3)
4 (4)
4 (4)
5 (5)
5 (5)
Wheat
48 (63)
28 (76)
64 (84)
71 (93)
81 (105)
97 (126)
Cornhead Kernel Loss
The following kernel loss chart shows the number of kernels that must be lost before a total of one bushel per acre is lost. It also points that a few kernels lost behind the combine does not call for numerous adjustments on the combine.
Row Spacing Millimeters (Inches)
Number of Rows
Kernels Per Square Meter (Sq. Ft.) for One Liter (Bu.) Loss Per Hectare (Acre)
711 mm (28)
6
15 (6)
711 mm (28)
8
17 (7)
762 mm (30)
6
15 (6)
762 mm (30)
8
20 (8)
762 mm (30)
12
30 (12)
These figures are approximate and vary with seed size and variety.
Seeds are gathered directly behind the separator without a chopper.