Agricultural economics bulletin.2010. Ministry of Agriculture, Cairo, Egypt.
Awady, M.N. 1978. Engineering of tractors and Agricultural machinery, (in Arabic), Textbook-Col. Agric., Ain Shams univ.,: pp:289.
Barger, E.L.;J.B. Lejdohl; W.M. Carleton and E.G. Mokibben .1963. Tractor and their power units. 2nd ed., Wiley Sons. Inc., New York. U.S.A.
Gomaa, S.M. 2003.Performance evaluation of pneumatic and mechanical planters for cowpea planting. Misr J. Ag. Eng., 20 (4): 965 - 979.
Herbek, J.H. and M.J. Bitzer .2004. Harvesting, drying, storage, and marketing. Lexington, Ky: cooperative Extension Service Bulletin AGR, 132.
Morad, M.M., A.S. El-Kot, M.M. Ali and H.M. Salem.2007.Study on the mechanization of cowpea crop production under Egyptian conditions. Misr. J. Ag., Eng., 24 (3): 450-468.
Neagu, T.; P. Cojocariu; V. Valcu and P. Pilat.2002.Investigations on the mechanical dislocation of kidney bean. Cercetari Agronomic in Moldova, 35(1/2): 9-12
Sabreen, K.A., S.M. Sharaf and G.H. El-Sayed.2002. Soybean response to mechanical planting methods in clay-loam soil. Misr J. Ag. Eng., 19(2): 327-338.
Yehia, I.; S.E. Bader and A. Lotfy.2005. Effect of some planting systems on cowpea crop productivity. The 13th conference of the Misr Society of Agr., Eng., 14-15 December, : 670-678.
)
View on SCiNiTO