In the 1940s, a group of men who were concerned about the direction that agriculture was headed decided to lead a movement to preserve the time-honored techniques of farming such as soil conservation, composting, and farm diversity.
1940 代,一群关心农业发展方向的人决定领导一场运动,以保土壤保持、堆肥和农场多样性等历史悠久的农业技术。