IMPLICATIONS OF HEAVILY MECHANIZED FARMING ON FIELD OPERATION : Case Study Experimental Farm of Hokkaido University
Sakai, Kenshi;Takai, Munehiro;Nakasima, Hiroshi;Kawai, Takao;Satoh, Hiroshi;Nakano, Hideaki;Hashimoto, Tetsuya;Aoki, Hiroshi;Sugiyama, Shuichi
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http://hdl.handle.net/2115/13131
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