Penn State Particle Separator (PSPS) — 4-tray analysis
Sample Information
Weights
Tray
Sieve
Weight (g)
%
Target
Status
1
Top (19 mm)
—
3–8%
—
2
Middle (8 mm)
—
45–65%
—
3
Lower (4 mm)
—
20–30%
—
4
Bottom pan
—
<10%
—
End Weight
0.0g
Difference
—
Total %
0.0%
PSPS targets for corn silage (kernel processed):
Top (19 mm): 3–8%
Middle (8 mm): 45–65%
Lower (4 mm): 20–30%
Bottom pan: <10%
Difference between beginning and end weight should be within ±2% (material loss during shaking).
Saved Samples
0
#
Date
Grower
Field
Hybrid
Chop (mm)
Begin (g)
End (g)
Diff %
Top %
Mid %
Low %
Pan %
Actions
Results are a management guide based on Penn State Particle Separator methodology. Adjust chop length settings based on trends across multiple samples, not a single test.