Sansei dojō to sekkai
By: [henshūsha Nōrinshō Nōseikyoku]
Series: Nōmin sōsho -- dai 25-gō
Publisher: Nōgyō Gijutsu Kyōkai
Published: 1948
Place of publication: Tōkyō
Language: jpn
Number of pages: 30
Subjects: Acid soils; Liming of soils