ESTIMATION OF SOIL NITROGEN, PHOSPHOROUS AND POTASSIUM USING IOT BASED SENSOR. TECHNICAL SCIENCE RESEARCH IN UZBEKISTAN, [S. l.], v. 4, n. 4, p. 178–186, 2026. Disponível em: https://universalpublishings.com/~niverta1/index.php/tsru/article/view/17947. Acesso em: 18 may. 2026.