Oktem, Abdullah. “Effect of Nitrogen on Fresh Ear Yield and Kernel Protein Content of Sweet Corn (Zea Mays Saccharata) under Upper Mesopotamia Region of Turkey”. The Indian Journal of Agricultural Sciences 78, no. 1 (January 5, 2008). Accessed October 27, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/9766.