邊區改良農作問題
Subtitle: Problems in improving crops in the border region
By: by Zhongguo gong chan dang Xibei zhong yang ju diao cha yan jiu shi
Publisher: Center for Chinese Research Materials, Association of Research Libraries
Published: 1944
Place of publication: Washington, D.C
Language: chi
Number of pages: 11
Subjects: Field crops; Agriculture; Experimentation
Other titles: Bian qu gai liang nong zuo wen ti; Problems in improving crops in the border region.
Notes: Originally published in 1944; new preface in English.

Title from pref. caption.

Printed on one side of leaf only; each leaf represents 2 pages of the original.

"M543."