Study on model of correlation between chemical element contents in tree rings and tree roots in soil

• 出 处: Chinese Journal of Geochemistry
• 发表日期: 2006年S1期
• 关键词: rings roots sharply appraisal evolutionary urbanization poplar imposed expand co

Along with the rapid development of science and technology, natural matter and energy are further exploited and used. The pollution imposed on nature has also sharply increased. Only do we know the pollution history, can we make a correct appraisal of loc

Along with the rapid development of science and technology, natural matter and energy are further exploited and used. The pollution imposed on nature has also sharply increased. Only do we know the pollution history, can we make a correct appraisal of loc