Returns to municipalities from integrating crop production with wastewater disposal

Eduardo Segarra, M. Ragy Darwish, Don E. Ethridge

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Land application of wastewater provides an alternative for wastewater deposition which can be both environmentally sound and economically viable. Effluent from the wastewater system of the city of Lubbock, Texas, USA was used for crop irrigation as a study case. A dynamic optimization model was developed to determine the optimal cropping system that would utilize all the effluent supplied, remove all hazardous materials from the effluent, and maximize crop net revenues. The results indicate that the optimal crop composition contains alfalfa, wheat-corn, wheat-grain sorghum, and cotton. The study also reveals that increases of cropland area and effluent volume could increase municipal revenues.

Original languageEnglish
Pages (from-to)97-107
Number of pages11
JournalResources, Conservation and Recycling
Volume17
Issue number2
DOIs
StatePublished - Aug 1996

Keywords

  • Crop composition
  • Crop irrigation
  • Dynamic optimisation model
  • Land application
  • Wastewater

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