Advocate the development and application of hygrophilous plant planting technology. 提倡发展和应用适水种植技术。
Combining with the pollen data, the author finds that the hygrophilous xylophyta dominate this region during the warm and cold climate, the herbaceous plants take the second place. 进一步证实高北纬极地气候可以通过西风带和蒙古、西伯利亚高压系统传输到东亚季风区。