Occurrence, distribution, seasonal variation and transport of pesticides in Yodo River basin, Japan were discussed. About 30 pesticides were detected in this study area. Their distribution and seasonal variation were distinguished in two groups by usage. Loads of pesticides applied to paddy field in agricultural area occupy the majority of load of downstream. In case of other pesticides, sum of tributaries flowed residential and urban area forms over 50%.
Distribution and Seasonal Variation of Pesticide Residues in Yodo River Basin, Japan
Y. Yamaguchi, M. Fukushima, T. Fujita, T. Yamamoto, A. Yamada; Distribution and Seasonal Variation of Pesticide Residues in Yodo River Basin, Japan. Water Sci Technol 1 June 1992; 25 (11): 61–68. doi: https://doi.org/10.2166/wst.1992.0274
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