Pesticide exposure assessment in rice paddy areas: A Japanese perspective

Watanabe, H., Inao, K., Vu, S.H., Phong, T.K., Ishihara, S., Takagi, K., & Tournebize, J. (2007) Pesticide exposure assessment in rice paddy areas: A Japanese perspective. In Ettore, Capri & Dimitrios, Karpouzas (Eds.) Pesticide Risk Assessment in Rice Paddies : Theory and Pratice. Elsevier, Amsterdam, pp. 167-214.

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This chapter provides an overview of the Japanese regulatory issues regarding pesticide use in rice paddies and an introduction of the new pesticide registration program. In addition, the experience of the environmental monitoring of pesticides and the modeling approaches used for the calculation of predicted environmental concentrations (PECs) in surface water and ground water systems adjacent to rice paddies in Japan are also discussed. Japan has been one of the major pesticide users in the world. Although having a long history in rice cultivation, the pesticide exposure assessment for paddy rice production received less attention compared with EU and US. Applications of up-to-date techniques and the development of realistic assessment procedures under specific climatic conditions as well as mitigation management practices for controlling pesticide contamination are important for an environmental-friendly rice production. Through the international cooperation and research exchanges, advances in pesticide risk assessment for rice paddies in Asian region and other rice-growing areas in the world would contribute to sustainable rice production. Transplanting of rice seedlings grows almost all rice paddies in Japan. The land preparation starts around April and June, and the harvest season lasts from August to October depending on the region and the rice varieties. Most of the rice paddies are treated with herbicides and other crop protection products, such as fungicides and insecticides that are applied during the crop season accordingly. Newly developed insecticides and fungicides are also applied during seedbed preparation.

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ID Code: 89008
Item Type: Book Chapter
DOI: 10.1016/B978-044453087-5.50009-6
ISBN: 9780444530875
Divisions: Current > Institutes > Institute of Health and Biomedical Innovation
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 14 Oct 2015 02:44
Last Modified: 26 Jun 2017 00:02

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