Badawy,M.E.(1997). Manufacturing a combined machine for cultivating, fertilizing and spraying field crops. Unpublished. Ph. D. Thesis.Ag.Mech.Dept., Fac.of Ag., kafr El-Sheikh, TantaUniv.
Dragos,T.(1975). Farm machinery equipment hand book Ministry of Education. Bucharest, Romania. PP. 324.
El-Meseery,A.A. and A.A.Abd-El-Fattah (2005). Comparative study of two sprayers for controlling weeds in wheat crop. Misr J.Ag. Eng., 22 (3): 1059- 1069.
Gad,W.A. (2005). Automatic control of the boom height of a locally constructed sprayer for spraying the sugar beet crop. M.Sc.Thesis. Ag.Mech.Dept., Fac.of Ag., Kafr El-Sheikh, Tanta Univ.,Egypt.
Hunt,D. (1983). Farm power and machinery management. IowaStateUniversity press, Ames, USA.
Kamel,O. and El-Khateeb, H. (2002). Performance evaluation of two different system of rice transplanter under Egyptian conditions. Egypt J.Ag. Res., 80 (3): 1317- 1335.
Noor,H.M.A.(1997). Improvement and evaluation of performance of ultra low volume sprayers. Ph.D. Thesis, Fac.of Agric. Mech. Dept.El-Mansoura Univ.
Ozkan, H.E.; D.L.Rechard and K.D.Ackerman (1992). Effect of orifice wear on spray patterns from fan nozzles. Trans. of ASAE, 35 (4):1091-1096.