ENHANCING THE ECONOMIC AND HEALTH BENEFITS OF BLACKBERRY GROWN IN SOILLESS CULTURE BY FOLIAR APPLICATION OF POTASSIUM SULFATE: ENHANCING THE ECONOMIC AND HEALTH BENEFITS OF BLACKBERRY GROWN IN SOILLESS CULTURE BY FOLIAR APPLICATION OF POTASSIUM SULFATE. IJMRCP [Internet]. 2026 Jun. 30 [cited 2026 Jul. 14];18(2):278-89. Available from: https://www.jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/619