永清县土壤志
By: Yongqing Xian nong ye ju ; Yongqing Xian tu rang pu cha ban gong shi
Contributors: Yongqing Xian (China). Tu rang pu cha ban gong shi
Publisher: [s.n.]
Published: 1984
Place of publication: Yongqing Xian
Language: chi
Number of pages: 146
Subjects: Soils; History
Other titles: Yongqing Xian tu rang zhi