... More than 25% Total nitrogen More than 10% Organic zinc More than 10% 2.Main Function: 2.1.Quickly supply the crop with its ... high performance on crop diseases caused by iron deficiency effects 2.2. Our amino acid chelated- Fe fertilizer, as the trace ... , by field trials, wheat applicatedby iron fertilizer application ,can yield 10%, other crops such as rice, soybeans, apples, vegetables, green ...