U.S. flag

An official website of the United States government

OpenAGRICOLA

Main content area

Nung yeh k'o hsüeh chi shu yen chiu ho li yung ti ching chi p'ing chia /

Other Authors:
Niu, Jo-feng.
Format:
Book
Language:
Chinese
Subjects:
Agriculture Research Economic aspects China
Agricultural innovations Economic aspects China
View in NAL's Catalog:
CAT89888765