Jōsui kēki no nōgyō riyō ni kansuru shiken seiseki
Series: Nōji shiken seiseki -- dai 73-gō
Publisher: Okayama Kenritsu Nōgyō Shikenjō
Published: 1987
Place of publication: [Akaiwa-gun Sanʼyō-chō]
Language: jpn
Number of pages: 38
Subjects: Recycling; Sewage sludge; Agriculture; Experimentation
Notes: Cover title.