The need of grape for macro elements

 Iran is the 11th producer of grapes and the third exporter of raisins in the world. Today in most places

Iran, from the cold regions of the north to the edges of the desert, as well as the southern regions of grape cultivation

Is.  

 Proper nutrition is one of the basic principles of achieving sustainable agriculture, and it is important to know the optimal concentration of nutrients in the soil and how to feed grapes with fertilizers containing different elements.