Ine hinshu kaihatsu no genjō to kongo no hōkō
Subtitle: ine ikushu ni kansuru ankēto kekka o chūshin ni
By: Yamamoto Ryūichi, Nakane Akira
Series: Nōgyō Kenkyū Sentā kenkyū shiryō -- dai 19-gō
Publisher: Nōrin Suisanshō Nōgyō Kenkyū Sentā
Published: 1989
Place of publication: Ibaraki-ken Tsukuba-shi
Language: jpn
Number of pages: 43