Nōgyō seisanryoku ronkō
Subtitle: Kawamata Kōtarō-shi kinen ronbunshū
By: Ōtani Shōzō, Ōuchi Chikara hen
Publisher: Chikyū Shuppan Kabushiki Kaisha
Published: 1948
Place of publication: Tōkyō
Language: jpn
Number of pages: 362
Subjects: Agricultural productivity