TY - SER AU - Himoud,Salih Majed TI - Field study performance of traction of Massey Ferguson tractor KW - Tractors KW - Performance KW - Tractors in agriculture KW - Design and construction N1 - Includes references N2 - This research used (MF285S) tractor for studying and evaluating its agricultural performance . The research used ploughing depths of (20,15.10) cm to load its engine for forward speeds of (1.8,2.23,3.88,4 km/h) in clay , sand and loam clay soils with moisture content of 20% UR - http://nile.enal.sci.eg/EALE/2015/MJAE/3215/3/955.pdf ER -