bfnmp$: a tool for estimating transport costs of beef feedlot manure
DESCRIPTION
For more: http://www.extension.org/67634 The Beef Feed Nutrient Management Planning Economics (BFNMP$) computer program can assist producers in understanding the impacts manure handling changes could have on their operation. It calculates manure management economics based on animal nutrient intake, manure nutrient availability, land requirements for spreading, operating costs, and fertilizer value. These values can be altered to fit individual operations. The objective of this analysis was to use the BFNMP$ software tool to evaluate the effect of distillers grains inclusion, N volatilization, and manure application rate on feedlot nutrient management plans.TRANSCRIPT
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BFNMP$: A Tool for Estimating Transport Costs for Feedlot Manure
A.K. Watson, G.E. Erickson, T.J. Klopfenstein, R.K. Koelsch, R.E.
Massey, J.H. Harrison, M.K. Luebbe
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BFNMP$• Beef Feed Nutrient Management Planning
Economics program• http://water.unl.edu/web/manure/software• http://beef.unl.edu/reports– 2006 pg. 98– 2008 pg. 59– 2009 pg. 89– 2012 pg. 104
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Animal Ration and
Performance
Manure Characteristics
Equipment Features
Crop Rotation and Application
Rate
Inputs
Time and Economics
Nutrients
Land for Application
Outputs
Modules
Excretion
Manure Management
Crop System
Economics
BFNMP$
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BFNMP$• Step 1: Animal Management– 5000 head feedlot– 100 head per pen– Cattle:• 750 to 1300 lb• 23 lb DMI• 144 days on feed
– Diet• Vary N and P content
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BFNMP$
• Step 2: Manure Management– Equipment• 4 yd loader• 20 ton truck mounted spreader• 2 hrs per pen• $3.00/gallon fuel• $12.00/hour labor
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BFNMP$
• Step 2: Manure Management– Open lot– Stockpiled for >100 days– Immediate incorporation– Vary N volatilization
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BFNMP$• Step 3: Crop Management– 80 acre fields– 50% in crops and available to feedlot
– Corn-soybean rotation• Corn yield 157 bu/acre• Soybean yield 42 bu/acre
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BFNMP$
• Step 3: Crop Management– Fertilizer Prices• $0.55/lb N ($0.25/lb urea)• $0.67/lb P ($0.30/lb P2O5)
• $0.53/lb K ($0.32/lb K2O)
– Vary application rate N or P based
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Impact of Diet
• Grain based, traditional diet– 13.3% CP– 0.3% P• Vasconcelos and Galyean, 2007
• 40% Distillers Grains diet– 18.7% CP– 0.5% P• Vander Pol et al., 2006
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Impact of Diet
Value Cost Revenue$0
$5
$10
$15
$20
$25
$30
$35
21.53
7.39
14.14
29.70
8.64
21.06
13.3 CP, 0.3 P18.7 CP, 0.5 P
$/he
ad
0.5 m0.9 m
0.4 m0.7 m
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Impact of Diet
Manure N Crop N required Manure P Crop P required0
20000
40000
60000
80000
100000
120000
140000
160000
13.3 CP, 0.3 P18.7 CP, 0.5 P
lb/y
ear
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Impact of Diet
Manure N Crop N required Manure P Crop P required0
20000
40000
60000
80000
100000
120000
140000
160000
13.3 CP, 0.3 P18.7 CP, 0.5 P
lb/y
ear 110,935 lb
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Impact of Application Rate
• 1-year N based– Buildup of P in soil
• 1-year P based– Expensive
• 4-year P based– Ideal
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Application Rate
Value Cost Revenue$0
$5
$10
$15
$20
$25
$30
$35
29.70
19.68
10.028.64
21.06
9.35
20.35
1 Yr N1 Yr P4 Yr P
$/he
ad
0.5 m0.9 m
1.4 m2.1 m
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Application Rate
Manure N Crop N required Manure P Crop P required0
50000
100000
150000
200000
250000
300000
350000
400000
450000
500000
1 Yr N1 Yr P4 Yr P
lb/y
ear
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Application Rate
Year 1 Year 2
Year 3 Year 4
N rate: 995 acres1 yr P: 3951 acres4 yr P: 3944 acres
986 acres per year
2.1 m
0.9 m
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Application Rate
Year 1 Year 2
Year 4 Year 3
Corn
N rate: 995 acres1 yr P: 3951 acres4 yr P: 3944 acres
986 acres per year
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Application Rate
Year 1 Year 2
Year 4 Year 3
CornSoybeans
N rate: 995 acres1 yr P: 3951 acres4 yr P: 3944 acres
986 acres per year
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Application Rate
Year 1 Year 2
Year 4 Year 3
SoybeansCorn
Corn
N rate: 995 acres1 yr P: 3951 acres4 yr P: 3944 acres
986 acres per year
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Application Rate
Year 1 Year 2
Year 4 Year 3
Corn
Corn
Soybeans
Soybeans
N rate: 995 acres1 yr P: 3951 acres4 yr P: 3944 acres
986 acres per year
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Application Rate
Year 1 Year 2
Year 4 Year 3
Corn
Corn
Soybeans
Soybeans
N rate: 995 acres1 yr P: 3951 acres4 yr P: 3944 acres
986 acres per year
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Impact of N volatilization
• Summer– 70% N volatilization
• Winter– 50% N volatilization
• Intensive manure management– 20% N volatilization– ongoing research
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N Volatilization
Value Cost Revenue$0
$5
$10
$15
$20
$25
$30
$35
$40
24.76
7.06
17.70
29.70
8.64
21.06
37.11
10.96
26.15
70%50%20%
$/he
ad
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N Volatilization
Manure N Manure P0
20000
40000
60000
80000
100000
120000
140000
160000
180000
200000
67,401
112,336
148,425
179,73770%50%20%
lb/y
ear
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N Volatilization
Excreted N Post Housing Post Storage Crop Available0
50000
100000
150000
200000
250000
300000
350000
400000
450000
500000
444,340
179,737
67,401
112,336
70%50%20%
lb/y
ear
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N Volatilization
Excreted N Post Housing Post Storage Crop Available $-
$50,000
$100,000
$150,000
$200,000
$250,000
$300,000
$244,387
$61,785
$37,071
$98,855
70%50%20%
$/ye
ar
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N Volatilization
Excreted N Post Housing Post Storage Crop Available $-
$50,000
$100,000
$150,000
$200,000
$250,000
$300,000
$244,387
$61,785
$37,071
$98,855
70%50%20%
$/ye
ar
-$182,602
-$61,784
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Cattle Diet and N Volatilization
DGS, 20% DGS, 50% DGS, 70% Corn, 20% Corn, 50% Corn, 70%0
20000
40000
60000
80000
100000
120000
140000
160000
180000
200000
N, $P2O5, $K20, $
$/ye
ar
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Cattle Diet and N Volatilization
DGS, 20% DGS, 50% DGS, 70% Corn, 20% Corn, 50% Corn, 70%0
20000
40000
60000
80000
100000
120000
140000
160000
180000
200000
N, $P2O5, $K20, $
$/ye
ar
$37,000
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Cattle Diet and N Volatilization
DGS, 20% DGS, 50% DGS, 70% Corn, 20% Corn, 50% Corn, 70%0
20000
40000
60000
80000
100000
120000
140000
160000
180000
200000
N, $P2O5, $K20, $
$/ye
ar
$45,000 $24,000
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Cattle Diet and N Volatilization
DGS, 20% DGS, 50% DGS, 70% Corn, 20% Corn, 50% Corn, 70%0
20000
40000
60000
80000
100000
120000
140000
160000
180000
200000
N, $P2O5, $K20, $
$/ye
ar
$96,000
$65,000
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Cattle Diet and N Volatilization
DGS, 20% DGS, 50% DGS, 70% Corn, 20% Corn, 50% Corn, 70%0
20000
40000
60000
80000
100000
120000
140000
160000
180000
200000
N, $P2O5, $K20, $
$/ye
ar
$96,000
$65,000$36,000
$24,000
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Conclusions
• Impact of Diet– 40% Distillers Grains diet increased manure value
by $8.17/head– Increased revenue by $6.92/head
• Impact of Application Rate– Apply on a 4 year P rate
• Impact of N volatilization– Difference between 70% and 20% N Volatilization
is $61,784
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Questions??