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How much is too much? Quantifying pesticide overuse in vegetable production in Southeast Asia

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Schreinemachers, Pepijn; Grovermann, Christian; Praneetvatakul, Suwanna; Heng, Phearun; Nguyen, Thi Tan Loc; Buntong, Borarin; Le, Thinh Nhu and Pinn, Thira (2020) How much is too much? Quantifying pesticide overuse in vegetable production in Southeast Asia. Journal of Clear Production, 244, p. 118738.

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Online at: https://www.sciencedirect.com/science/article/pii/S095965261933608X

Summary

This paper quantifies the extent of pesticide overuse in vegetable production systems in Southeast Asia. Pesticide overuse was defined as levels of use in excess of an economic (profit-maximizing) optimum. A production function with an exponential damage abatement term was estimated. Data come from a representative sample of 1000 farmers producing leaf mustard and yard-long bean in Cambodia, Laos and Vietnam. The results show that 100% of the sampled farmers in Vietnam, 73% in Cambodia and 59% in Laos overused pesticides. Pesticide expenditure in excess of the economic optimum was 96% for Vietnam, 92% for Cambodia, and 42% for Laos. Pesticide overuse was positively associated with men in charge of pest management decisions, farmers seeking advice from pesticide sellers and a strong belief that pesticides are effective. It was negatively associated with the use of non-chemical methods of pest control. These results imply that farmers in Southeast Asia are spraying excessively and inefficiently and could increase their profits by applying fewer pesticides.


EPrint Type:Journal paper
Keywords:Damage control function, Pesticide productivity, Pesticide misuse, Cambodia, Laos, Vietnam
Subjects: Crop husbandry > Production systems > Vegetables
Crop husbandry > Crop health, quality, protection
"Organics" in general > Countries and regions > Asia
Research affiliation: Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Socio-Economics
DOI:10.1016/j.jclepro.2019.118738
Deposited By: Forschungsinstitut für biologischen Landbau, FiBL
ID Code:37105
Deposited On:23 Jan 2020 13:56
Last Modified:23 Jan 2020 13:56
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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