SURIKOVA, Valentīna; KĀRKIŅŠ, Aldis. COMPETITION BETWEEN APPLE-TREES AND GRASS IN THE ORCHARD. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 169–175, 2015. DOI: 10.17770/etr2009vol1.1118. Disponível em: https://journals.ru.lv/index.php/ETR/article/view/1118.. Acesso em: 4 may. 2024.