Determinants of herbicide use in rice production in the Philippines

Jesusa Beltran, Ben White, Michael Burton, Graeme Doole, David Pannell

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

This study identifies farm-specific and market factors affecting the adoption of herbicides and the level of herbicide use by rice farmers in the Philippines. This requires the application of a modified version of Heckman's two-step method to estimate a random-effects double-hurdle model for unbalanced panel data. The age of the farmer, household size, and irrigation use are significant determinants of the decision of farmers to adopt herbicides as an alternative to manual weeding, while economic variables such as the price of herbicides, total income, and access to credit determine the level of herbicide use. Determinants of both adoption and level are land ownership, farm area, and the method of crop establishment. These results are potentially relevant when designing policies to reduce excessive herbicide use or to encourage the adoption of alternative weed control methods such as integrated weed management. © 2012 International Association of Agricultural Economists.
Original languageEnglish
Pages (from-to)45-55
JournalAgricultural Economics
Volume44
Issue number1
DOIs
Publication statusPublished - 2013

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