Effect of furrow irrigation patterns on yield and yield components of two corn varieties (Zea mays L.)

In order to evaluate the effect of furrow irrigation patterns on yield and yield components of corn cultivars, an experiment was carried out as split plot in a randomized complete block design with three replications in the Shushtar city. Irrigation patterns (main plot) include: furrow full irrigation(control), fixed alternate furrow irrigation, variable alternate furrow irrigation, two time alternate furrow irrigation and one full irrigation and two time full furrow irrigation and one alternate furrow irrigation and maize cultivars (subplots), including: S.C 704 and Karun. Results showed that the maximum grain yield by 5260.5 kg/h obtained from full irrigation furrow and after that it was belonged to and two time full furrow irrigation and one alternate furrow irrigation by 4530.4 kg/h. The interaction between two treatments showed that the maximum grain yield in S.C 704 cultivar obtained in furrow full irrigation with 5120 kg/ha which was not significantly different as compared to the two time full furrow irrigation and one alternate furrow irrigation by 4723 kg/h. Generally, in areas with water deficit can recommend the management of two times full furrow irrigation and one alternate furrow irrigation and use of S.C 704 cultivar.