For instance , temperate regions have widespread acidic sand Spodosols , and in tropical regions red clayey Oxisols are common .
When soil science was first founded , climate was considered one of the most important factors regarding the formation of soil .
Temperate regions have widespread acidic sand Spodosols , and in tropical regions red clayey Oxisols are common .
When soil science was first founded , climate was considered one of the most important factors regarding the formation of soil .