The Economics of Manure Utilization: Model and Application

A model of manure utilization is developed and applied to four types of transportable manure. Model results highlight important response differences among manure types and generally illustrate the diseconomies of manure production. For example, as manure production increases, manure value decreases...

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Bibliographic Details
Published in:Journal of agricultural and resource economics 2006-08, Vol.31 (2), p.414-440
Main Authors: Keplinger, Keith O., Hauck, Larry M.
Format: Article
Language:English
Subjects:
Cost control
Crop economics
Crop production
Crops
Eutrophication
Farmlands
Farms
Farmyard manure
Fertilizers
Linear programming
Literature reviews
Livestock
Management decisions
Manure
manure application
manure transportation
manure utilization
manure value
Manures
Nitrogen
Nutrients
Optimization
Phosphorus
Production increases
Runoff
Slurries
Soil nutrients
Supplies
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Summary:A model of manure utilization is developed and applied to four types of transportable manure. Model results highlight important response differences among manure types and generally illustrate the diseconomies of manure production. For example, as manure production increases, manure value decreases and excess phosphate applications increase, thereby increasing the potential for phosphorus runoff. Policy scenarios limiting the manure application rate reduce manure value and excess phosphate application. Increasing the ratio of land using manure increases manure value while reducing excess phosphate application. Buildup of soil nutrients reduces manure value, but either increases or decreases excess phosphate application depending on the scenario.
ISSN:1068-5502
2327-8285
DOI:10.22004/ag.econ.8611