MUZAMIL ADREES; MUHAMMAD FAIZAN JILLANI; AHMED RAZA ASAD; AHMED IMRAN; MUHAMMAD YOUSAF. REAL-TIME MONITORING SYSTEM FOR SOIL NUTRIENTS USING NPK SENSOR AND MICROCONTROLLER-BASED HARDWARE. Spectrum of Engineering Sciences, [S. l.], v. 4, n. 3, p. 5882–5899, 2026. Disponível em: https://thesesjournal.com/index.php/1/article/view/3811. Acesso em: 15 sep. 2026.