calculating economic value to producers mc clellan
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Calculating the Economic Value to Producers of ImprovedSustainability Performance in Soybean Production
Josiah McClellanUnited Soybean Board
71st SWCS International Annual ConferenceJuly 25, 2016
YieldModel
Soil Texture Crop Rotation Tillage Practice
Crop Management
Templateyield & operations
Texas A&M AgriLife Project
1168 Report relative yield
nitrogen saving
Field to Market Fieldprint Calculator
sustainability index
Economic Budget
profitability
Sort and Optimize
yield Sustainability profitability
IA Extension Guide
Non-operationalinputs
Activity Flowchart
GenotypicThe potential yield for specific varieties can be specified in the model.
Edaphic• Soil suitability factors
o Texture• Soil fertility factors
Management• Pre-planting factors
o Rotationo Cultivation
• Post -planting factors
Phenotypic• Plant physiological factors• Weather factors
Potential Yield Factors by Category
Source: infosys.ars.usda.gov
USDA-NRCS Crop Management Zones (CMZs)
CMZ 4 and 16 highlighted in black box
Soybean Single Season Management TemplatesMedium Soil Texture
Conventional TillName: soybeans; 15-20 inch row,Ffcult, z4Operations:• Cultivator, field 6-12 in sweeps• Sprayer, pre-emergence• Planter, double disk opnr, 18 in
rows• Sprayer, post emergence• Sprayer, insecticide post
emergence• Harvest, killing crop 20pct standing
stubble
No-tillName: soybeans; nr, NT z4Operations:• Sprayer, pre-emergence• Drill or airseeder, double disk,
w/fluted coulters• Sprayer, post emergence• Harvest, killing crop 20pct
standing stubble
Soybean Single Season Management Inputs for CalculatorMedium Soil Texture
Soybean Single Season Fieldprint Calculator ResultsMedium soil texture
Fieldprint Calculator Sustainability Fieldprints
Fieldprint Calculator Sustainability Fieldprints Scaled from 0 to 100
Template Land Use
(ac/bu)
Soil Conservation
(t/bu)
SoilCarbon
Energy Use
(BTU/bu)
GHGEmissions (BTU/bu)
Water Quality (index)
ConventionalTill (Loam) 0.01773 0.145 -0.453 111,155 26.25 4.58
No-Till (Loam) 0.02174 0.061 0.012 43,301 14.61 5.58
Template Land Use
Soil Conservation
Soil Carbon
Energy Use
GHGEmissions
Water Quality
ConventionalTill (Loam) 36 56 73 100 100 54
No-Till (Loam) 50 31 49 84 100 44
Economic Budget for Computing ProfitabilityFixed and variable costs by management operations, soil texture, and tillage practices
Source: Costs of operations from: Plastina, Alejandro. (2015). Estimated Costs of Crop Production in Iowa, 2015.(http://store.extension.iastate.edu)
Soybean single season management template for medium soil texture
Economic Budget for Computing ProfitabilitySummary by management operations, soil texture, and conventional till
Soybean single season management template for medium soil texture
Soybean Management Templates Sorted by Yield
Soybean Management Templates Sorted by Sustainability
Soybean Management Templates Sorted by Profitability
Optimization of Soybean Management Templates
Texas A&M AgriLife Project SB1168 Model Results asInput
Focus on relative yield and nitrogen-savings
Source: Analysis of Crop Rotation on Nutrient Management and Sustainability Performance Phase I Final Report – SB1168Texas A&M AgriLife Research Blackland Research & Extension Center, Temple, TX
Soybean Impact on Sustainability Metrics in Multi-Year Rotations
Summary by management operations, soil texture, and conventional tillEconomic Budget for Computing Profitability
Conclusions
• As long as sustainability performance is calculated on an efficiency basis (per unit of production), sustainability and yield scores will track closely.
• More variability between sustainability and profitability
• The impact of crop rotation on sustainability performance calculations is understated. While single-crop sustainability assessments are straightforward, rotational assessments present multiple permutations to reference.
• The utility of a yield/sustainability/profitability model may be limited as an operational decision support tool.
• The model would have more utility on a larger, trend-centric scale, narrowing the list of management changes that would positively impact yield, sustainability and profitability together.
Suggested Next Steps
• Integrate the model into ongoing field work, to obtain real-world results and conduct meaningful statistical analysis.
Conclusions and Suggested Next Steps
Calculating the Economic Value to Producers of ImprovedSustainability Performance in Soybean Production
Josiah McClellanUnited Soybean Board
71st SWCS International Annual ConferenceJuly 25, 2016
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