Bareisho iden shigen no tansaku, dōnyū, hozon to ikushu riyō ni kansuru chōsa hōkokusho
Contributors: Nettai Noōgyō Kenkyū Sentā
Series: Nekken shiryō -- no. 42
Publisher: Nōrin Suisanshō Nettai Nōgyō Kenkyū Sentā
Published: 1979
Place of publication: [Ibaraki-ken Tsukuba-gun Yatabe-machi]
Language: jpn
Number of pages: 75
Notes: "Written by Irikura Yukio"--p. 1.