Effect of Macro element nutrient and Fe, B, Zn on Agro ecological characteristics corn(Zea mays L. K.S.C.704) under limited irrigation in Varamin region

This study investigated the effects of macro element nutrient and Fe, B and Zn on Agro ecological characteristics of corn hybrid KSC704 under limited irrigation in Varamin region. Research was conducted in a complete block randomized, experimental design with split-plot arrangement in three replications. The main plots consisted of irrigation methods of normal irrigation (AFI),fixed furrow irrigation (FFI), and conventional furrow irrigation (CFI). Each irrigation method was further divided into five sub-treatments with different fertilizer combinations: (1) P (control) (2) P㟢 (3) P㟢빦 (4) P㟢빦羁 and (5)P㟢빦羁.Results of analysis of variance showed that the interaction effects of fertilizers and irrigation methods on the characteristics of number of spikes per plant , number of rows per spike, number of grains per row, 1000 grains weight, grain yield, total above ground biomass, harvest index, oil percentage, protein percentage, LAI, radiation use efficiency, N concentration and uptake N were significant at the 1% level. Reusult showed that irrigation method of was fixed to one of the two neighboring furrows(FFI),decreased yield, yield components, oil percentage, LAI, radiation use efficiency and N concentration and uptake N. However, application of fertilizer treatments reduced the negative effects of water deficit stress. The results also showed that in water deficit condition protein percentage increased unlike other qualitative characteristics. In order to utilize the water sources efficiently and increase corn production under limited water supply, the use of circular irrigation care along with application of K, Zn, B and Fe fertilizer can be recommended.