Further development of a modified chisel plow and studying : (A) the draft force and power requirements and the ability of soil : part 1
By: Aday, Shakir Hantush; al-Idan, Hisham; al-Maliki, Jabbar Julub Hasan. Basrah Journal of Agrricultural Science. Vol. 23, no. 2 (Dec. 2010), pp.1-12, 12 p.
Subjects: Agriculture; Farming systems; Soil moisture