Shuyō nōsanbutsu seisanhi
Subtitle: Kōtoku rokunendo
Series: Kōnōbu shiryō -- 2-1
Publisher: Kōnōbu Nōseishi Chōsaka
Published: 1940
Place of publication: [Shinkyō?]
Language: jpn
Number of pages: 145
Notes: Issued as a confidential document (stamped)