You ren de sheng tai nong ye/ Liu min ying sheng tai nong ye xi tong/ Wo men de sheng yin : Zhong guo ren de sheng shu=: Lun yu/ Yi xue sheng tai xue/ Shen wu ran yu nong ye/ Yi xue sheng tai xue / Zhong guo ren de sheng huo zhe xue : Cao yuan wen hua de sheng tai hun/