Calculation of making doses of fertilizers under planned yield of spring wheat using an artificial neural networkAbdulsamad Akhatovich Valiev, Ravil Ibragimovic Ibyatov, Svetlana Vladimirovna Novikova and Natalia Gennadievna KiselevaBIO Web Conf., 27 (2020) 00120DOI: https://doi.org/10.1051/bioconf/20202700120