... 2.2. Our amino acid chelated- Fe fertilizer, as the trace elements iron-specific organic fertilizer, can repair chloroplast structure, ... vegetables and walnut, by field trials, wheat applicatedby iron fertilizer application ,can yield 10%, other crops such as rice ... soybeans, apples, vegetables, green pepper, cotton, peanuts,on iron fertilizer application can achieve a higher yield. 4.Usage: 4 ...