“AGRONOMIC EFFICIENCY OF FERTILIZERS BASED ON HUMUS, ROCK POWDER, AND MINERALS ON SOYBEAN YIELD IN PARAGUAY-PY”. REVISTA DE AGRICULTURA NEOTROPICAL 7, no. 3 (September 9, 2020): 90–96. Accessed June 23, 2026. https://periodicosonline.uems.br/agrineo/article/view/4364.