N-UNCOUNT [usually NOUN n] 刀耕火种农业(指把地上的草木烧成灰做肥料,就地挖坑下种的原始耕作方法) Slash and burn is a method of farming that involves clearing land by destroying and burning all the trees and plants on it, farming there for a short time, and then moving on to clear a new piece of land. 刀耕火种农业(指把地上的草木烧成灰做肥料,就地挖坑下种的原始耕作方法)