Kahoku nōson ni okeru nen seisangaku
By: shippitsusha Kamimura Shizui
Series: Kahoku keizai tōkei shūsei -- dai 2-shū; Kahoku Sōken sōkan -- dai 2-gō
Publisher: Kahoku Sōgō Chōsa Kenkyūjo
Published: 1944
Place of publication: Pekin
Language: jpn
Number of pages: 192
Subjects: Field crops; Agriculture; Agricultural productivity
Notes: Bibliography: p. 185-192.