The very nature of the initial slash-and-burn agriculture encouraged a further dependence on agriculture and the aggregation of people into denser settlements.
最初的刀耕火种式农业的本质鼓励人们进一步依赖农业，并促使人们聚集到人口更密集的居住区。
2
Slash-and-burn farming can be good for soils provided it doesn't completely burn all the vegetation, and leaves behind charred wood.
刀耕火种的耕作方式对土壤是有好处的，只要它不完全烧掉所有的植被，只留下烧焦的木头。
3
Villages formed on the land cleared by the slashandburn agriculture practiced by small social groups.