Sheng tai nong ye ping jia zhi biao ti xi ji ping jia fang fa yan jiu
By: Wang Fengxian, Wang Yuanzhong, Xu Wenzhong zhu ; Hebei sheng nong ye sheng tai xue hui ji
Contributors: Wang, Yuanzhong; Xu, Wenzhong; Hebei sheng nong ye sheng tai xue hui
Edition: Di 1 ban
Publisher: Nun ye chu ban she
Published: 1990
Place of publication: Beijing Shi
Language: chi
Number of pages: 187
Subjects: Sustainable agriculture; Agricultural ecology