1. Alexandratos N. & Bruinsma J. (2012). WORLD AGRICULTURE TOWARDS 2030/2050: the
2. 2012 revision. ESA working paper No. 12-03. Rome FAO. Retrieved from:
3. http://www.fao.org/3/a-ap106e.pdf
4. Below F. E. Uribelarrea M. Company M. & Moose S. P. (2007). Triple-stacks Genetics and
5. Biotechnology in improving Nitrogen use of Corn. In North Central Extension-Industry Soil