Qinghai tu zhong zhi
By: Qinghai Sheng nong ye zi yuan qu hua ban gong shi bian zhu
Edition: Di 1 ban
Publisher: Zhong guo nong ye chu ban she
Published: 1995
Place of publication: Bei jing
Language: chi
Number of pages: 327
ISBN-13: 9787109041899
Subjects: Soils; History