PHOTOSYNTHETIC ACTIVITY OF SOYBEAN VARIETY “VILANA” UNDER THE INFLUENCE OF NORMS OF PHOSPHORUS FERTILIZERS AND MICROELEMENT IRON. World Bulletin of Social Sciences, [S. l.], v. 13, p. 34–36, 2022. Disponível em: https://www.scholarexpress.net/index.php/wbss/article/view/1295. Acesso em: 18 apr. 2026.