WASET
    Alicja Sułek and  Grażyna Cacak-Pietrzak and  Marta Wyzińska and  Anna Nieróbca,  Influence of Nitrogen Fertilization on the Yields and Grain Quality of Winter Wheat under Different Environmental Conditions  .   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2019, vol. 149(5). 127 - 133
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10010324.