Gholamreza Farrokhi and  Babak Paykarestan,  The Effect of Pyridoxine and Different Levels of Nitrogen on Physiological Indices of Corn(Zea Mays L.var.sc704).   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2010, vol. 42(6). 396 - 398
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/3974.