Jarecki, Wacław, and Dorota Bobrecka-Jamro. “Influence of Different Nitrogen Doses on Yielding of Spring Wheat”. Bulletin of Plant Breeding and Acclimatization Institute, no. 265 (September 30, 2012): 3–10. Accessed July 3, 2024. https://ojs.ihar.edu.pl/index.php/biul/article/view/1059.