Tillage for greater crop production : conference proceedings, Statler Hilton Hotel, Detroit, Michigan, December 11 and 12, 1967, in conjunction with the 1967 ASAE Winter Meeting
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書誌事項
Tillage for greater crop production : conference proceedings, Statler Hilton Hotel, Detroit, Michigan, December 11 and 12, 1967, in conjunction with the 1967 ASAE Winter Meeting
（ASAE publication, PROC-168）
ASAE,, 1967
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注記
Cosponsors: American Society of Agricultural Engineers, American Society of Agronomy, Soil Conservation Society of America
