Melamine is commonly used in plastics and fertilizer, among other products. Its high nitrogen content can make foods appear to be protein-rich in standard nutrition tests.
The standard of healthy seedlings for winter wheat, the application of nitrogen fertilizer and the colonial structure of high yield are also introduced in this paper with some new views.
The interaction mechanism between humic acid and fertilizer is discussed, the flow sheet, equipment, process parameters of extrusion technology and enterprise standard of product are presented.