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. IJMRCP [Internet]. 2025 Jun. 30 [cited 2025 Jul. 3];17(1):97-102. Available from: https://jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/485