“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”. 2026. Iraqi Journal of Market Research and Consumer Protection 18 (2): 278-89. https://www.jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/619.