Cost-effective targeting of land retirement to improve water quality with endogenous sediment deposition coefficients

Madhu Khanna, Wanhong Yang, Richard Farnsworth, Hayri Önal

Research output: Contribution to journalArticle

Abstract

An integrated framework that combines spatial and biophysical attributes of land with a hydrological model and an economic model is developed to identify cropland for enrollment in the Conservation Reserve Enhancement Program. Sediment deposition coefficients are determined endogenously depending on the land-use decisions on other land parcels. Application of this framework to a watershed in Illinois demonstrates that highly sloping land adjacent to water bodies should be selected for retirement. A marginal value rental payment scheme can achieve program goals of 20% sediment abatement at 39% lower cost than a productivity-based rental scheme.

Original languageEnglish (US)
Pages (from-to)538-553
Number of pages16
JournalAmerican Journal of Agricultural Economics
Volume85
Issue number3
DOIs
StatePublished - Aug 1 2003

Keywords

  • Conservation Reserve Enhancement Program
  • Cost effectiveness
  • Land rental payment scheme
  • Land retirement
  • Watershed management

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Economics and Econometrics

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