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第二届泛美地区灌溉排水学术讨论会,于1989年6月8日和9日两天与第40届国际灌溉委员会执行理事会同时在加拿大首都渥太华召开。会议的议题为农业供水和排水中的有毒物质。共有29篇论文分别在两次全体会议和3个专题会议上宣读和讨论。1.在第一次全体会议上宣读的论文有4篇:①农业化学剂与地下水水质(美国);②加拿大水质指南:农药对灌溉和环境的影响(加拿大);③硒对环境的影响及其在中国的地区性分布(中国);④为降低农业排水污染的费用和津贴的经济分析(以色列)。
The second Pan-American Conference on Irrigation and Drainage Symposium was held in Ottawa, Canada at the same time as the 40th International Council on Irrigation Commission Executive Board on June 8 and 9, 1989. The meeting’s topic is water supply and drainage of agricultural toxic substances. A total of 29 papers were read and discussed in two plenary sessions and three thematic sessions respectively. 1. Four papers were presented at the first plenary meeting: (1) Agricultural Chemicals and Groundwater Quality (USA); (2) Canadian Water Quality Guideline: Effects of Pesticides on Irrigation and Environment (Canada); (3) Environmental Impact of Selenium and Its geographical distribution in China (China); and (4) economic analysis of the costs and allowances for reducing agricultural drainage pollution (Israel).