Maļceva, Marija, Veneranda Stramkale, and Māra Vikmane. “Physiological Aspects of Nitrogen Fertilizer Impact on Latvian Origin Cannabis Sativa L ”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 2 (August 5, 2015): 305–314. Accessed October 14, 2024. https://journals.ru.lv/index.php/ETR/article/view/986.