Effect of potassium fertilizer and control of Corn stem borer on yield components, grain yield and its quality of two varieties of maize Zea mays L.
Maǧallaẗ al-Anbār li-l-ʿulūm al-zirāʿiyyaẗ/Maǧallaẗ al-anbār li-l-ʻulūm al-zirāʻiyyaẗ