manure side-dress nitrogen corn and wheat plots glen arnold, osu extension educator jon rausch, osue...
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Manure Side-Dress Nitrogen
Corn and Wheat Plots
Glen Arnold, OSU Extension EducatorJon Rausch, OSUE State Extension Associate
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Manure
No Manure
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Animal ManureApplied to Growing Crops
Swine manure was applied as top dress nitrogen on wheat in late winter of 2006 & 2007 in replicated plots and yields compared to UREA.
Swine manure was applied as side dress nitrogen to corn in June of 2005 & 2006 in replicated plots and yields compared to 28% UAN.
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Target rate 3,500 gal/ ac
Manure Nutrient Analysis
(Brookside) SwineManure TN 21 lb/1,000 gal
Manure NH3 19 lb/1,000 gal
Manure ON 2 lb/1,000 galManure Avail N 19 lb/1,000 gal
Manure P2O5 8 lb/1,000 gal
Manure K2O 15 lb/1,000 gal
Calcium 5.28 lb/1,000 galMagnesium 1.68 lb/1,000 galSodium 3.35 lb/1,000 galSulfur 2.35 lb/1,000 galboron 0.03 lb/1,000 galIron 0.804 lb/1,000 galMaganese 0.057 lb/1,000 gal
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Estimating the Value of Animal Manure
Swine Manure Value per
lbs/1000 gallon 1000 gal.
Nitrogen 42¢/lb 19 lbs $ 7.98
P2O5 32¢/lb 8 lbs $ 2.56
K2O 20¢/lb 15 lbs $ 3.00
Total $13.54
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AGCO Grassland Applicator
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Wheat Top Dress Test PlotHarvested July 7, 2006
Type of topdress Applied Avg. Yield Per/ac
Swine Manure 3,250 gallons per acre
95.73
Urea Fertilizer 105 units of nitrogen per acre
87.14
No Fertilizer applied 83.28
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Wheat Topdress Test PlotHarvested July 3, 2007
Type of Topdress Applied Avg. Yield Per/ac
Nursery Swine Manure 6,000 gallons per acre
(incorporated)
84.46
Urea fertilizer 94 lbs. of nitrogen per acre
83.70
Leopold Field
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Wheat Topdress Test PlotHarvested July 4, 2007
Type of topdress Applied Yield bu/ac
Swine Manure 5,000 gallons per acre
(Surface applied)
102.2
Swine Manure 5,000 gallons per acre
(Incorporated)
98.0
Urea Fertilizer 105 units of nitrogen per acre
86.5
Niese Field
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Corn Plot Objectives
Determine if manure applied as side dress nitrogen during the growing season provides adequate nutrients to maintain yield
Determine if application equipment is available to accurately side dress corn with liquid manure.
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Corn Treatments Using an Aeroway Toolbar
Treatment 1 – incorporation of liquid swine nursery manure
Treatment 2 – 99% liquid swine manure plus 1% 28% UAN (17 gallons of 28% UAN added to the 2400 gallon tank of swine nursery manure)
Treatment 3 – 28% UAN injection of liquid nitrogen
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3,500 gal/ac swine manure
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2006 Yield Data
Yield PSNT End of Year Stalk
Total N Side-dress N
(bu/ac) (ppm) Test (ppm)
(lb/ac) (lb/ac)
Avg. Treatment 1 (Manure only)
196.7 15.9 2,518 172 131
Avg. Treatment 2 (Manure + 28%)
194.1 13.5 1,525 129 88
Avg. Treatment 3 (28% only)
193.3 15.6 1,619 191 150
Average all Plots 194.9 15.0 1,888 164 122
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Swine Manure Yield SummaryTwo Years Data
On Corn
Manure 28% Blended
2006 195bu/ac 194bu/ac 192bu/ac
2005 125bu/ac 125bu/ac 127bu/ac
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Summary
Swine manure has matched or exceeded wheat and corn yields compared to traditional inorganic fertilizers
Equipment is available to accurately apply manure to growing crops
More research is needed to find more efficient manure application methods and also seek to reduce potential compaction