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. Iraqi Journal of Market Research and Consumer Protection, [S. l.], v. 18, n. 2, p. 278–289, 2026. Disponível em: https://www.jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/619. Acesso em: 19 jul. 2026.