LEJIŅŠ, Andris; LEJIŅA, Biruta. THE GRAIN CROP YIELD IN DIFFERENT CROP ROTATION AND EFFICIENCY OF HERBICIDES AND FUNGICIDES TREATMENT. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 125–131, 2007. DOI: 10.17770/etr2007vol1.1729. Disponível em: https://journals.ru.lv/index.php/ETR/article/view/1729.. Acesso em: 22 nov. 2024.