L. G. Karancsi and  K. Máriás,  Effect of Nutrient Supply on Yield and Photosynthetic Parameters of Maize Hybrids.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2013, vol. 83(11). 1019 - 1022
    [viewed 05 May 2024]. Available from: https://publications.waset.org/pdf/17258.