Title page for ETD etd-01122010-020205


Type of Document Master's Thesis
Author Hwang, Sang Won
URN etd-01122010-020205
Title Sustainable use of soil resource base in the Dominican Republic:a farm level economic analysis of soil conservation practices
Degree Master of Science
Department Agricultural Economics
Advisory Committee
Advisor Name Title
Alwang, Jeffrey R. Committee Co-Chair
Norton, George W. Committee Co-Chair
Kerns, Waldon R. Committee Member
Keywords
  • Soil conservation
Date of Defense 1992-06-05
Availability restricted
Abstract
Income effects associated with specific levels of erosion reduction for a representative farm in the Bao watershed area in the Dominican Republic are examined in a linear programming framework. Estimation of costs expected in response to specific levels of erosion reduction and the income effects of changes in agricultural policies on the farmer's ability to conserve soil are examined.

Results indicate that income losses will be substantial when complying with soil loss standards without introducing soil conservation practices. Net income reduction of 36% can be expected with a reduction in soil loss by 50%. With the introduction of soil conservation practices, substantial reductions in erosion can be obtained with only a minor reduction in net income. For example, with grass strips, 50% reduction in soil loss can be expected with only a 7% reduction in income.

Analysis of the effects of changes in agricultural policies indicates that restricting access to credit and changes in tenure from secure land holdings to lack of land titles does not affect the incentive to conserve soil in the short run. Furthermore, analysis of effects of changes in agricultural pricing policies indicates that the promotions of coffee, sweet potatoes, and beans represent the least-costly means of meeting the twin goals of erosion reduction and income maintenance.

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