Media type: E-Article Title: Problems in large scale upland agriculture of Hokakaido in the twenty-first century Contributor: NAKANO, Hiroshi imprint: Crop Science Society of Japan, 2002 Published in: Japanese Journal of Crop Science Language: English DOI: 10.1626/jcs.71.supplement2_284 ISSN: 0011-1848; 1349-0990 Keywords: Genetics ; Agronomy and Crop Science ; Food Science Origination: Footnote: Access State: Open Access