Nagy, P. T., Lazányi, J., Loch, J., Kincses, I., & Balláné Kovács, A. (2007). Effect of fertilization on the potentially mineralize N forms of soil of long term field experiment was set in an acidic sandy soil. Acta Agraria Debreceniensis, 27, 20-24. https://doi.org/10.34101/actaagrar/27/3094