Spārniņa, Maruta, Sarmīte Rancāne, Gaļina Ļebedeva, and Gaļina Teliševa. “INFLUENCE OF LIGNOSILICON ON PRODUCTIVITY OF WINTER RYE IN BIOLOGICAL AGRICULTURE”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 18, 2005): 113–118. Accessed December 4, 2024. https://journals23.rta.lv/index.php/ETR/article/view/2146.