Stramkale, Veneranda, K. Jukāma, A. Stalažs, Māra Vikmane, and U. Kondratovičs. “PHOSPHOROUS SEED COATING AFFECT TO GERMINATION, PHOTOSYNTHETIC PIGMENTS AND YIELD OF RAPE”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 18, 2005): 119–127. Accessed October 8, 2024. https://journals.rta.lv/index.php/ETR/article/view/2153.