Mathematical model for evaluating slippage of tractor under various field conditions
By: al-Maliki, Salim Ajar Bandar; Hammud, Salih Majid; Muhsin, Sadiq Jabbar. Basrah Journal of Agrricultural Science. Vol. 34, no. 1 (2021), pp.49-59, 11 p.
Subjects: Clay soils; Mathematical models; Soil texture