Adoption and Impacts of Integrated Pest Management in Bangladesh: Evidence from Smallholder Bitter Gourd Growers
Rahman, Md. Sadique
Norton, George W.
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Determinants of integrated pest management (IPM) adoption, productivity and efficiency of bitter gourd (Momordica charantia L.) growers in Bangladesh were jointly measured using propensity score matching (PSM), sample selection stochastic frontier production function (SFPF) and inverse probability weighted regression adjustment (IPWRA) techniques. The significant value (P < 0.05) of the selectivity variable (ρ(w,v)) coefficient justifies the use of the sample selection SFPF. The decision to adopt IPM was positively influenced by the training and other farmers’ decisions to adopt. Mean technical efficiency (MTE) was found to be significantly higher for adopters (0.59) compared to non-adopters (0.40). The MTE analysis suggests that arranging more training sessions and making farmers more familiar with the IPM practices would improve the technical efficiency of the growers. Adoption of IPM practices significantly reduced the number pesticide applications, which imply environmental benefits from their adoption.