Lazányi, J. et al. 2006. Nitrogen Supplying Capacity of Brown Forest Soil under Different Cropping Practices and 0.01 M CaCl2 Soluble Organic Nitrogen. Acta Agraria Debreceniensis. 24 (Oct. 2006), 17–23. DOI:https://doi.org/10.34101/actaagrar/24/3219.