Oracka, Teresa, Jan Ciepły, and Janusz Kozdój. “Genetic Variability in N, P, K Utilization Efficiency in Spring Wheat at Different Concentration of Nutrient Solutions”. Plant Breeding and Seed Science 44 (December 20, 2000): 15–25. Accessed December 22, 2024. http://ojs.ihar.edu.pl/index.php/pbss/article/view/812.