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The Union Gas Crop Yield Monitoring Program: An Evaluation of Pipeline Construction Practices on Agricultural Lands

机译:联盟气体作物产量监测计划:对农业土地管道建设实践的评价

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Union Gas has developed an extensive crop yield monitoring database for assessing the impact of pipeline construction activities on agricultural lands in southern Ontario. The 227 km Dawn-Trafalgar pipeline easement contains up to four pipelines and crop yield data has been collected since 1976 for the NPS 42 pipeline constructed between 1975-1989 and the NPS 48 which started construction loops in 1990. Upwards of a thousand crop yield samples have been collected during this period. Numerous changes have been made to pipeline construction and clean up practices over this period, and in particular, the implementation of policies dealing with wet soil shutdown, trench line management, soil construction inspection and post-construction clean-up has had a significant positive impact on restoration of agricultural lands. Average on easement crop yields have improved over 23% during the period from 1980 to 2000. In particular, there have been significant improvements in average crop yields from construction of the NPS 48 over to the NPS 42 with average crop yields being 91 and 80% of controls, respectively. The major changes implemented during construction of the NPS 48 during the 1990s has been more stringent environmental pipeline inspection and more extensive post construction clean-up. With present construction practices in southern Ontario, it is reasonable to expect average on easement crop yields greater than 90% for year after construction.
机译:联盟天然气制定了广泛的作物产量监测数据库,用于评估管道施工活动对安大略省南部农业土地的影响。 227公里的Dawn-Trafalgar管道换地包含最多四个管道,自1976年自1975年至1989年和NPS 48之间建造的NPS 42管道自1976年以来收集了42个管道和作物产量数据,该管道在1990年开始施工循环。千篇作物产量样本在此期间收集。在这一时期的管道建设和清理实践中取得了许多变化,特别是实施处理湿土关闭,沟渠线管理,土壤建设检验和后施后清理的政策具有显着的积极影响论农业土地的恢复。在1980年至2000期的期间,换地厂产量的平均值增加了23%。特别地,平均作物产量与NPS 48的平均作物产量发生显着改善,平均作物产量为91和80%分别对照。在20世纪90年代建造NPS 48期间实施的重大变更是更严格的环境管道检查和更广泛的施工后施工清理。随着安大略省南部的当前建筑做法,在建设后一年的easeate作物收益率的平均值是合理的。

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