shifting cultivation
noun /ˌʃɪftɪŋ kʌltɪˈveɪʃn/
/ˌʃɪftɪŋ kʌltɪˈveɪʃn/
[uncountable] (specialist)- a way of farming in some tropical countries in which farmers use an area of land until it cannot be used for growing plants any more, then move to a new area of land
(某些热带国家的)移耕农业,迁徙耕作,游耕