Everything is product of the environment. The prerequisite and key of species forming is the ecological environments, such as geography, climate, water, soil, biological chain and so on.
万物都是环境的产物，地理、气候、水质、土壤、生物链等构成的生态环境是物种成型的前提和关键。
2
In the three space scales of the globe, region and local, soil belongs to local geography space.
在全球、区域、地方三个基本空间尺度中，“乡土”属于地方尺度的地理空间。
3
Combined with GIS geography statistic was applied to analyze the spatial variability of soil available medium-microelements of the paddy yield in Fanhe township of Tieling county.