这 Book 用你的语言不存在, 用...查看: English (en),
或使用谷歌翻译:  

This study examined paired plots of farmland that were selected for their similarities in nearly every respect.  They shared the same topography, angle of slope, location on the watershed, intensity of the storm, type of crops, etc. The only variation was that one was agroecologically farmed and the other conventionally farmed. 2 Copies 

出版物详细信息

  • 出版者: World Neighbors
  • Dewey Decimal: 363.349
  • ECHO 图书馆: 363.349 WOR