Landoll 5531 Grain Drill - Manual (Page 51)

OPERATION AND MAINTENANCE
4-23
Figure 4-18: Fertilizer Box Chart
Fertilizer – Rate Adjustment
1. The dry fertilizer rate is adjusted by changing
sprocket ratios for each section. See Figure 4-18 for
desired settings. For best results use clean dry
fertilizer, free of clumps, or foreign material.
IMPORTANT
The operator must verify actual fertilizer output
before planting.
2. The fertilizer chart is based upon average size dry
fertilizer with a density of 65 lbs per cubic foot. If
using a fertilizer with a different density, apply the
following conversion factors, and use the closest rate
for application (See Table 4-1.)
Table 4-1: Dry Fertilizer Density Conversion Chart
m174397
Dry Fertilizer Density Conversion Chart
Based on Average Density of 65 lbs./ft.
Density
50 55 60 65 70 75 80
Conversion Factor
1.30 1.18 1.08 1.00 .93 .87 .75
Example: using a dry fertilizer with a density of 70 lbs/ft
3
and a desired application rate of 50 lbs/acre.
50 x .93 = 46.5 (use a setting from the rate chart nearest 46.5 lbs/acre)