Satsumaimo to daizu no konsaku
By: Nōrinshō hensan
Series: Nōmin sōsho -- dai 31-gō
Publisher: Nōgyō Gijutsu Kyōkai
Published: 1948
Place of publication: Tōkyō
Language: jpn
Number of pages: 24
Subjects: Intercropping; Sweet potatoes; Soybean