KAKABOUKI, I., A. FOLINA, C. . ZISI, and S. . KARYDOGIANNI. “Fertilization Expression via Nitrogen Indices in Soybean Crop under Two System Tillage”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, vol. 48, no. 2, June 2020, pp. 799-13, doi:10.15835/nbha48211880.