1. 1 Smittle, D.A., R.E. Thornton, C.L. Peterson, and B.B. Dean. Harvesting potatoes with minimum
2. damage. Am. Potato j. 1974; 51: 152- 164.
3. 2 Peter, M . Combine Harvester theory, Modeling, and Design.CRC Press.Taylor&Francis Group Boca
4. Raton, London, New York. 2016.
5. 3 Misener, G.C., L.P. McMillan, and G.C.C. Tai. Two- stag plot harvesting system for