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Grain Content of Silage

TWO VALUED EMPLOYEES STAND OUTSIDE A ROW OF OUR GRAIN SILOS.

Grain Content of Silage

Grain Content of Silage

Contrary to popular belief, the ratio of bushels of grain per ton of silage is not a constant factor.  Grain yields increase much more rapidly than do total of forage yields.  Ratio of grain per ton of silage fluctuates widely and this is an important consideration in estimating silage feeding values or costs of corn silage.  Each case should be determined on its own merits as general rules are not consistent.

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Example of how bushels of grain per ton of silage may vary at different yield levels

Grain per AcreGrain per Ton of Silage
89 Bushels5.0 Bushels
117 Bushels6.0 Bushels
124 Bushels6.2 Bushels
131 Bushels6.9 Bushels
152 Bushels7.5 Bushels
160 Bushels8.1 Bushels
180 Bushels12.0 Bushels

Relationship of kernel moisture to yield potential

Water in KernelsYield of Grain as Percent of Max
40 Percent93.5
38 Percent94.8
36 Percent96.3
34 Percent98.0
26 Percent100.0
21 Percent98.0

*These values are not a guide as to grain – silage ratios, but are shown as examples of the wide variation involved.