THE EFFECT OF ADDING ALUMINUM SULFATE (ALUM) AND COVER CROPS ON THE GROWTH AND YIELD OF SORGHUM IN DEGRADED SOIL: THE EFFECT OF ADDING ALUMINUM SULFATE (ALUM) AND COVER CROPS ON THE GROWTH AND YIELD OF SORGHUM IN DEGRADED SOIL. Iraqi Journal of Market Research and Consumer Protection, [S. l.], v. 17, n. 1, p. 97–102, 2025. Disponível em: https://jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/485. Acesso em: 3 jul. 2025.