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Need a little help with silage math.
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cjd12000
Posted 9/17/2020 06:46 (#8500162 - in reply to #8499854)
Subject: RE: Need a little help with silage math.


candor ny
You need a sample of the silage to determine starch content and dry matter content then use that to place value. I have been over 40% starch last 3 years and as high as 48%. There are more then 7 bushels per ton to make that happen. Then use this formula.


DM starch yield = as fed silage yield × % dry matter × % starch (DM basis)
(example)= 25 ton × 2,000 lb./ton × 0.35 (1-moisture) × 0.33 = 5,775 lb. starch

Grain yield = lbs starch ÷ (% starch content) ÷ (DM % of shell corn/56 lb./bu)
(example)= 5,775 lb. starch ÷ 0.72 ÷ 0.845 = 169.5 bushel/acre

or simplified = lb. starch × 0.0293
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