Search Results       Your search for [subject]Crop production machines -- Human -- Animal -- Mechanical returned 1 record.           Dibble sticks, donkeys, and diesels: machines in crop production. by Campbell, Joseph K.; Manila, Philippines: International Rice Research Institute (IRRI), 1990. Subject: Crop production machines; Agricultural machineries; Agriculture -- Production systems -- Land cultivation; Crop production machines -- Human -- Animal -- Mechanical; Postharvest management -- Drying -- Storage -- Transport.          Add to Book Cart Relevance: 39.51%