Irrigation organization in Mexican unidades de riego: results of a field study
1999
Dayton-Johnson, J.
The paper summarizes findings from a survey of farmer-managed irrigation systems in the central Mexican state of Guanajuato. Three types of information are presented: structural characteristics (e.g., group size, inequality, reservoir capacity); system rules and organization; and performance indicators (maintenance and productivity). The average system comprises 123 households, each with an irrigated parcel of 3.3 hectares. A statistical model of non-choice reveals that systems with greater land-holding inequality and older water users associations are more likely to have chosen more complex water-allocation rules. An ordered-logit model of maintenance shows that greater social homogeneity is associated with higher maintenance levels.
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