EFFECT OF APPLICATION OF DIFFERENT LEVELS OF COBLT ON YEILD, NODULE FORMATION, NPK CONTENT AND PHOTOSYNTHETIC PIGMENTS OF ALFALFA (Medicago sativa L.) PLANT IN A CALCAREOUS SOIL

Document Type : Research articles

Author

• N. A. Aziz

Horticulture Department ,College of Agriculture, Kirkuk University, Iraq

Keywords

• Cobalt
• Kirkuk
• nodulation
• calcareous soil