Sin nongyak haesŏl
By: Yi Chae-hyŏn chŏ
Series: Chʻoesin nongŏp kangjwa -- 4; Chʻoesin nongŏp kangjwa -- 4.
Publisher: Pumin Munhwasa
Published: 1959
Place of publication: Sŏul
Language: kor
Number of pages: 221
Subjects: Agricultural chemicals