Agriculture applications:1.Adjust the amount of flowers; 2.Sparse flowers fruit; 3.Rice seed production; 4.Pest control; 5.Urea iron fertilizer.  Industrial applications: On the steel,stainless steel chemical polishing,it plays the role of light,on the metal pickling it is not only as a corrosion inhibitor,but also for the preparation of palladium activation liquid. Color White Total Nitrogen In dry basis 46.0 Biuret % 0.9 Water H2O % 0.5 Methylene diurea in HCHO basis % 0.6 Particle size d0.85mm-2.80mm d1.18mm-3.35mm d2.00mm-4.75mm d4.00mm-8.00mm