The study was carried out, during the 2009 Corn-growing season,
under field conditions in experimental farm College of Abouraihan,
University of Tehran in Iran. The experimental farm is located about
30 km east of the Tehran province in Iran. The station (35°28’N,
42.51°17’E) with the elevation of 1024 m above sea level. The
average annual rainfall and temperature is 250 mm and 13oC,
respectively.