- No.269,Jiefang Middle Road,Yunhe District,Cangzhou City(News Building 312),Hebei,China 061000
Urea is a molecular nitrogen fertilizer that cannot be directly absorbed in large quantities by crops. It must be applied to the soil and converted into ammonium carbonate (also known as ammonium nitrogen fertilizer) by the action of urease secreted by soil microorganisms before crops can absorb and utilize it in large quantities.