Nabavi Moghadam, R., Saberi, M. H., & Sayyari, M. H. "Effect of Soil Application of Iron and Manganese Sulfate on Quantitative and Qualitative Characteristics of Forage Maize Hybrid Single Cross 704", Journal of Crops Improvement, 15, 2, 2013, 75–86. doi: 10.22059/jci.2013.36100