Toward an Integrated Understanding of Pesticide Use Intensity in Costa Rican Vegetable Farming
2008
Galt, Ryan E.
Understanding the factors that influence the adoption of synthetic pesticides has to date overshadowed explanations of variation in pesticide intensity. I conducted a survey of vegetable farmers in Northern Cartago and the Ujarrás Valley, Costa Rica, in 2003-2004 with the goal of explaining differences in pesticide intensity with reference to socioeconomic, political economic, and agroecological characteristics and relationships. Using ordinary least squares regression models, this paper explores the factors that influence pesticide use intensity in potato and squash production. Results indicate that many variables strongly influence pesticide intensity, including variables related to the farmer, farm household, political-economic relationships, the biophysical environment, and agroecological relationships. Conclusions discuss the need for an integrated approach to adequately understand pesticide intensity and potential policy interventions including agroecological education and extension, increased enforcement of pesticide residue limits in the national market, and land reform to allow for longer fallow periods.
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