Copper is an essential element in chlorophyll, respiration and protein synthesis for plants. Copper element, which is necessary for the synthesis of chlorophyll, takes a role in the photosynthesis activity. Accordingly, it has a crucial role in the yield and quality of the products. Protein synthesis and activation of various enzymes occur in the presence of the copper element. It is necessary for normal flower formation and seed production.

The copper element also increases the secretion of phytoalexin, which helps the plant to show resistance against diseases and is effective in controlling the water movement of the plant.

In copper(Cu) deficiency; Necrosis occurs with chlorosis on young leaves and shoot tips. Dwarfness and stunting are observed in the plant. Rhizogenesis deterioration is seen. Cracks and rareripe are observed on the fruit. Classfert Copper eliminates the symptoms of copper deficiency.