Tufenkci, S, M Eraman, and F Sonmez. “Effect of Phosphorus and Nitrogen Application and Rhizobium Inoculation on Yield and Nutrient Uptake in Sainfoin (Onobrychis Sativa)”. The Indian Journal of Agricultural Sciences 75, no. 5 (May 5, 2005). Accessed October 27, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/9349.