KHAIRO, Awss M. EFFECT OF SUPPLEMETS FOLIAR APPLICATION OF POTASSIUM ON GROWTH AND YIELD OF COWPEA ( Vigna sinesis) . Diyala Agricultural Sciences Journal , [S. l.], v. 1, n. 2, p. 42–50, 2009. Disponível em: https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/3174. Acesso em: 30 apr. 2026.