EN

Abstract

This study was to conducted to evaluate the effects of individual or combined application chemical nitrogen fertilizer , green and animal manure on the various growth attributes such as number of seeds, weight of 1000 grains, grain yield, biomass and total grain protein in Single Cross hybrid (S.C 704) in maize. This experiment was conducted in 2014 at the Agricultural Research Station of Islamic Azad University of Karaj, Iran. The study was conducted in split plot factorial in a randomized complete block design with four replications. Results of the analysis of variance showed that the difference among grain number per cob among various treatments of cover crop levels at 1% and the effect of different amounts of animal manure at the 5% level were significant, but there was no significant interaction among characters. But for other traits, the results of variance analysis table showed that the interaction of green manure and animal manure on 1000 grain weight at 5% and the nitrogen fertilizer on grain yield and biomass at 5%, interaction of different levels of nitrogen fertilizer and green manure at 5% and the interaction of different amounts of nitrogen, green manure and animal manure on grain proteins at the level of 1% were significant.