Shōwa 39-nendo jūnendochi kaihatsu chōsa chūkan hōkokusho
Subtitle: Kaitaku kiso chōsa
Publisher: Hokkaidō Kaihatsukyoku Nōgyō Suisanbu
Published: 1965
Place of publication: [Sapporo-shi]
Language: jpn
Number of pages: 37
Subjects: Clay soils; Field crops; Breeding; Reclamation of land; Agricultural Meteorology
Other titles: Jūnendochi kaihatsu chōsa chūkan hōkokusho.; Shōwa sanjūkunendo jūnendochi kaihatsu chōsa chūkan hōkokusho.
Notes: Cover title.