Víg, Róbert, Attila Dobos, and Zoltán Pongrácz. 2007. “Soil Analysis As the Foundation of Precision Nutritive Supply in the Hajdúszoboszló Region”. Acta Agraria Debreceniensis, no. 26 (July):141-48. https://doi.org/10.34101/actaagrar/26/3069.